Rockville, MD
Pop. 68,401 · Montgomery County
Most looked-up rules in Rockville
The topics readers look up most across the site, as they apply in Rockville.
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🏡 Home & Property
🏠 Renting & Housing
🔊 Noise & Neighbors
🐾 Animals & Farming
🚗 Parking & Streets
💼 Business & Licensing
📋 Permits, Signs & Events
🌎 Environment & Utilities
🛡️ Privacy & Civic
📋 Other
🚗 Parking Rules
Snow Removal Parking Rules
Some RestrictionsWhen the City Manager declares a snow emergency, cars without driveway space must move to the even-numbered side of the street or risk towing and a $100 fine.
Abandoned Vehicles
Significant RestrictionsRockville bans keeping a junk vehicle anywhere in the city unless it sits in a lawfully licensed junkyard, under its Property Maintenance Code.
Loading Zones
Some RestrictionsRockville bars delivery and loading operations between 10:00 p.m. and 7:00 a.m. on any property next to a residential use or residentially zoned land, unless the developer proves sound…
EV Charging
Significant RestrictionsRockville's Energy Conservation Code requires new R-2 multi-family buildings to make 10% of parking spaces fully EVSE-installed, another 10% EV-Ready, and 30% EV-Capable: the highest…
Driveway Rules
Some RestrictionsRockville requires vehicles be parked on an improved street or an approved off-street area: parking over curbs, sidewalks, yards or planting beds is banned.
Street Parking Limits
Some RestrictionsRockville bans parking on sidewalks and within 5 feet of any driveway, plus a long list of other stopping/standing spots, backed by a $60 fine.
Commercial & Oversized Vehicles
Significant RestrictionsTrucks over three-quarters ton, 10,000 lbs GVW, four wheels, or 96 inches wide can't park on residential streets without a City-issued special permit.
Curb Color Rules
Some RestrictionsA curb painted yellow by the County, State, or City bans parking, standing, or stopping alongside it anywhere in Rockville: no separate sign is required.
RV & Boat Parking
Some RestrictionsRockville limits where boats, trailers, campers, vans and RVs may sit on a residential lot: behind the front building line or in an approved driveway.
Preferential Parking Districts
Significant RestrictionsRockville divides the City into permit parking zones; residents petition with 51% of households, or the Council can create permit-only areas to block outside commuters.
Towing & Impound Rights
Significant RestrictionsMontgomery CountyMontgomery County sets its own maximum trespass towing rates by executive regulation, so a car towed from private property here without the driver's consent costs $170.00 for the tow…
Overnight Parking
Some RestrictionsMontgomery CountyMontgomery County prohibits parking any motor vehicle or trailer on a public highway, road, or street for more than 24 hours, except immediately adjacent to the owner's own residence…
🔥 Fire Regulations
Propane Storage
Some RestrictionsRockville sets no numeric propane storage limit of its own: it adopts NFPA 58, the Liquefied Petroleum Gas Code, 2017 Edition, by reference in full, with zero local amendments to the…
Smoke Detectors
Some RestrictionsRockville's adopted residential code sets exact smoke-alarm locations for one- and two-family homes -- every bedroom, hallways outside sleeping areas, each story, and every townhouse…
Fireworks
Heavy RestrictionsRockville bans possessing, selling, or discharging any fireworks within City limits, allowing them only at a public display approved by the City Fire Marshal and permitted by the State…
Outdoor Burning
Significant RestrictionsMontgomery CountyMontgomery County bans burning refuse or plant life outdoors without a Director-issued permit, with tight limits on smoke, distance, and duration.
Fire Pits & Backyard Fires
Some RestrictionsMontgomery CountyRecreational and cooking fires must stay 30 feet from any building, with a 10-foot clear space kept around the fire and someone attending it at all times.
Wildfire Zones
Some RestrictionsMarylandWhen wildfire danger climbs, the Maryland Secretary of Natural Resources or the Governor may impose a burning ban under Natural Resources Article 5-720. Once that ban is in effect…
🔊 Noise Ordinances
Barking Dogs
Some RestrictionsA Rockville pet whose barking, howling, or whining causes 'unreasonable annoyance' to neighbors is an animal nuisance under Sec. 3-21(4), regardless of any specific decibel level or…
Decibel Limits
Some RestrictionsRockville zoning bars loading and deliveries on lots next to homes from 10 p.m. to 7 a.m. unless sound barriers cut noise to 55 dBA or less at the property line, per Sec. 25.8.8.1(c).
Construction Hours
Some RestrictionsMontgomery CountyConstruction noise in Montgomery County is capped at 75 dBA (85 dBA with an approved noise-suppression plan) between 7 a.m. and 5 p.m. weekdays; outside those hours the county's much…
Quiet Hours
Some RestrictionsMontgomery CountyMontgomery County caps residential noise at 55 dBA at night (9 p.m.-7 a.m. weekdays, 9 p.m.-9 a.m. weekends) versus 65 dBA by day, and separately bans any noise that creates a…
Leaf Blower Rules
Heavy RestrictionsMontgomery CountyMontgomery County bans the sale and use of combustion engine-powered handheld, backpack, and walk-behind leaf blowers and vacuums, following a phased 2023 law that took full effect in…
Amplified Music & Outdoor Sound
Some RestrictionsMontgomery CountyAmplified outdoor sound, including live music, must stay within Montgomery County's noise-level caps: 65 dBA daytime and 55 dBA nighttime in residential receiving areas, enforced by…
Vehicle Noise
Some RestrictionsMontgomery CountyMontgomery County treats vehicle horns and motor-vehicle-mounted power equipment as noise disturbance examples under Chapter 31B, enforceable by the Department of Environmental…
🐔 Animal Ordinances
Exotic Pets
Heavy RestrictionsRockville flatly bans keeping foxes, bears, non-domestic cats or dogs, primates, and specified venomous snakes as pets, and requires advance Chief of Police permission for any other…
Bird Protection
Some RestrictionsRockville bans catching, injuring, killing, or otherwise interfering with birds in any city park, plus taking bird eggs or nestlings, under the park rules chapter.
Breed Restrictions
Significant RestrictionsRockville doesn't restrict dog breeds: it regulates individual dogs through a Level 1/Level 2 potentially-dangerous designation, each carrying escalating confinement, warning-sign, and…
Cat Rules
Light RestrictionsRockville lets residents run feral cat trap-neuter-return colonies without becoming the cats' legal 'owner'. Sec. 3-28 requires caregivers to vaccinate, eartip, feed, water and shelter…
Veterinary Clinic Zoning
Some RestrictionsRockville requires veterinary clinics to operate indoors, with any outdoor runs fenced and set back 100 feet from lot lines.
Pet Store Rules
Some RestrictionsRockville doesn't ban pet-store sales of dogs and cats: pet shops may sell them if City-licensed, with dogs under eight weeks old barred from sale.
Microchipping
Some RestrictionsDogs, cats and ferrets over four months must wear a Rockville license tag and collar whenever off the owner's premises. Sec. 3-12(d) waives that physical tag requirement only if the…
Chickens & Livestock
Some RestrictionsRockville allows up to five hens per single-family home with a police-issued permit: no roosters, no multifamily coops, and coops must sit five feet from the property line and forty…
Wildlife Rescue Permits
Some RestrictionsRockville lets wildlife rehabilitators secure one continuous police permit to temporarily care for injured, sick, or orphaned wild animals headed for release, instead of applying case…
Coyote Management
Few RestrictionsRockville authorizes a City-managed deer culling program in its parks, with narrow carve-outs from the wild-animal, structure, and hours rules: coyotes aren't separately addressed.
Dog Leash Laws
Some RestrictionsA Rockville dog or other animal off its owner's property must be leashed or physically restrained. Sec. 3-21(1) makes being 'at large' an animal nuisance violation, with narrow…
Beekeeping
Few RestrictionsMontgomery CountyMontgomery County permits beekeeping on residential lots under Maryland Agriculture Article Sec 5-501 et seq. State registration with the Maryland Department of Agriculture Apiary…
Pet Groomer Rules
Some RestrictionsMontgomery CountyAnyone charging a fee to groom pets in Montgomery County needs an annual Animal Services license, and groomers must show proof of certified grooming-school training.
Pet Limits
Heavy RestrictionsMarylandMaryland Criminal Law Sections 10-604 through 10-606 prohibit aggravated and general animal cruelty statewide, including failure to provide nutritious food, proper drink, air, space…
🌿 Landscaping Rules
Composting
Some RestrictionsRockville allows residential compost piles for yard waste and non-animal food scraps only if fully rodent-proofed; piles made entirely of leaves and dirt are exempt from that…
Tree Trimming
Some RestrictionsRockville requires trees, shrubs, hedges and vines be kept pruned so they never block drivers' or pedestrians' sightlines on public streets and sidewalks.
Tree Removal & Heritage Trees
Some RestrictionsRockville subdivision applicants who cannot fit the required number of lot trees must plant two replacement trees elsewhere in the subdivision for each tree not provided, under the…
Water Restrictions
Significant RestrictionsRockville's City Manager can declare mandatory water restrictions during a shortage or drought that ban using hoses or sprinklers to water lawns, shrubbery, trees, and gardens citywide.
Weed Ordinances
Some RestrictionsRockville caps weeds and grass on any lot, including the adjacent right-of-way strip, at 10 inches and bans noxious weeds outright under its Property Maintenance Code.
Native Plants
Light RestrictionsMontgomery CountyMontgomery County's weed law caps "generalized plant growth" at 12 inches near property lines, but Code § 58-3 exempts trees, ornamental shrubs, flowers, and garden vegetables…
Rainwater Harvesting
Some RestrictionsMontgomery CountyOn lots under 15,000 square feet, Montgomery County lets builders satisfy the required runoff-control plan for a building permit with a rain barrel or cistern instead of conventional…
🧱 Fence Regulations
Retaining Walls
Few RestrictionsRockville places no height cap on retaining walls that hold back earth along a lot line, they may be built to any height needed, measured from the lower grade, but if the wall also…
Height Limits
Some RestrictionsRockville regulates fence placement, height, and design under Chapter 25, Article 9. Electric and barbed wire fences are prohibited in residential zones. Historic districts require HDC…
Fence Permit Requirements
Some RestrictionsRockville requires a fence permit from the Chief of Zoning before any fence is built in the city. Deer mesh installation is the only listed exception.
Material Restrictions
Some RestrictionsRockville allows wood, vinyl, aluminum, composite, and chain link fencing in residential zones. Chain link is discouraged in historic districts. Barbed wire is prohibited.
💼 Home Business
Home Daycare
Light RestrictionsRockville zoning defines a Child Care Home as a residence serving up to eight children for pay, requiring full compliance with State and Montgomery County child care licensing: no…
Zoning & Home Occupation Permits
Significant RestrictionsRockville splits home occupations into two tiers: light businesses need no permit, but 'Material Impact' operations with more staff or visits require a Special Exception from the Board…
Customer Traffic Restrictions
Some RestrictionsRockville zoning caps home-based businesses at two customers on-site at any time and bans customer visits between 9 p.m. and 8 a.m., except medical emergencies.
Cottage Food Operations
Light RestrictionsMarylandMaryland lets you sell homemade food from a residential kitchen without any licence or inspection, provided the business stays under $50,000 a year in cottage food sales and the…
Home Kitchen Operations
Significant RestrictionsMarylandMaryland has no microenterprise home kitchen permit. The word microenterprise does not appear anywhere in COMAR 10.15.03, the chapter that governs food service facilities, and the four…
🏗️ Accessory Structures
ADU Rules
Some RestrictionsA detached Accessory Dwelling Unit in Rockville must sit on a permanent foundation and stay at or under 75% of the main house's floor area, or up to 600 square feet if that house is…
ADU Rental Restrictions
Significant RestrictionsRockville, Maryland bars a landlord from holding rental licenses for both a house and its accessory apartment at once: only one of the two units on a lot may be licensed for rent at a…
ADU Owner Occupancy
Significant RestrictionsOwners of a Rockville one-family home with an accessory-apartment special exception must certify annually where they live and whether any part of the house is rented.
Shed & Carport Rules
Some RestrictionsRockville zoning treats a carport as an accessory structure: it can't share a wall or roof with the house except through a short breezeway, and a detached carport must sit in the rear…
Tiny Homes
Some RestrictionsRockville's residential code adopts IRC Appendix Q in full, giving tiny houses their own building standard instead of full-size dwelling rules.
🏠 Short-Term Rentals
Short-Term Rental Permits
Heavy RestrictionsMoCo requires a DHCA license before listing or hosting STR guests. Applications take 30 to 60 days. Annual fee is $500. No license means fines up to $1,000.
Noise Rules
Significant RestrictionsMontgomery CountyA short-term rental license can be suspended or revoked if the property repeatedly causes a noise nuisance, under the county's Transient Lodging Facilities chapter.
Primary-Residence-Only Rule
Significant RestrictionsMontgomery CountyMontgomery County zoning limits short-term rentals to dwellings that are the owner's or an authorized resident's primary residence, capping absentee rentals at 120 days a year unless…
Host Presence Rule
Significant RestrictionsMontgomery CountyMontgomery County requires short-term rental hosts to make the unit their primary residence and, when away, keep a designated representative within 15 miles reachable for the length of…
Night Caps
Some RestrictionsMontgomery CountyMontgomery County caps unhosted short-term rentals at 120 days a year, but hosted rentals where the owner is present have no day limit.
Repeat Violator Strikes
Significant RestrictionsMontgomery CountyA prior violation within 36 months disqualifies a short-term rental license applicant, and a revoked license locks out the same operator and unit for three years.
Short-Term Rental Parking Rules
Some RestrictionsMontgomery CountyMontgomery County zoning requires one off-street parking space for every short-term rental contract, unless the online listing itself states that vehicle parking is not provided.
Occupancy Limits
Some RestrictionsMontgomery CountyShort-term rental license applicants in Montgomery County, Maryland must certify occupancy caps: no more than 6 overnight guests age 18 or older, and no more than 2 adult guests per…
Taxes & Fees
Some RestrictionsMontgomery CountyMontgomery County collects a 7% room rental and transient tax on short-term rental stays, including Airbnb and other dwelling-unit lodging under 30 days.
🏊 Swimming Pools & Spas
Fencing & Safety Requirements
Some RestrictionsRockville bars homeowners from self-permitting hot tub, spa, or pool wiring: that work always requires a licensed electrician, even at an owner-occupied home.
Pool Permits
Some RestrictionsRockville's amended residential building code exempts only prefabricated pools under 24 inches deep from a building permit: any deeper above-ground or in-ground residential pool needs…
🏪 Business Licensing & Operations
Tobacco Retail License
Significant RestrictionsCity of Rockville zoning bars new vape and tobacco shops within 1,000 feet of parks or schools, citywide, in every zone.
Auto Repair on Residential Property
Heavy RestrictionsRockville's Home-Based Business standards flatly ban motor vehicle repairs, sales, or engine work from any home occupation -- no special exception or permit tier allows it under Sec…
Pawnbrokers
Significant RestrictionsRockville confines pawnshops to the I-L industrial zone and keeps them at least 500 feet from residential property and 1,500 feet from any other pawnbroker: the City issues no separate…
Adult Entertainment
Significant RestrictionsRockville confines Adult-Oriented Establishments to the I-L industrial zone, and only after the Board of Appeals grants a special exception meeting a 1,000-foot buffer from homes…
Massage Establishments
Significant RestrictionsMontgomery CountyMontgomery County requires a Director-issued license to own or operate a massage establishment, plus separate manager and worker licenses, under County Code Chapter 24.
Secondhand Dealers
Significant RestrictionsMontgomery CountyMontgomery County requires a dealer's license from the Office of Consumer Protection before buying, selling, or brokering secondhand personal property, including online and pawn-type…
Towing Companies
Significant RestrictionsMontgomery CountyMontgomery County requires every towing company to register with the county before operating: unlicensed towing is a Class A violation punishable by up to $1,000 and six months in jail.
💡 Outdoor Lighting
Dark Sky Rules
Some RestrictionsRockville requires every outdoor light fixture citywide to be shielded so it points down toward the ground rather than up into the sky, under the binding Landscaping, Screening and…
Light Trespass & Shielding
Some RestrictionsMotion-activated security lights in Rockville are exempt from full-cutoff lighting rules only if aimed so the bulb isn't visible five feet above the property line, with added lumen and…
🚷 Public Conduct
Skateboarding Rules
Some RestrictionsRockville regulates skateboards, scooters, bikes and other wheeled recreational vehicles, banning negligent riding on streets and sidewalks and stunts on benches, walls or planters.
Loud Party Ordinance
Some RestrictionsRockville's noise ordinance bars willfully disturbing a neighborhood or acting disorderly through loud, unseemly noise, a misdemeanor, but the Code creates no separate host-liability…
Public Alcohol Use
Significant RestrictionsRockville bans drinking or possessing alcohol in City parks without a City Manager-issued permit, though picnic and special-event permits are available for a fee.
Public Marijuana Use
Significant RestrictionsRockville bans smoking marijuana, along with tobacco and vaping, in outdoor serving areas of restaurants and bars under its patio smoking ordinance.
Outdoor Smoking Restrictions
Significant RestrictionsRockville bans smoking and vaping in the outdoor patios and decks of restaurants and bars citywide; violators face a municipal infraction citation from City Police.
Loitering Rules
Some RestrictionsRockville bans loitering that blocks pedestrian or vehicle traffic, harasses others, or risks a breach of the peace, but an officer must warn violators before they can be charged.
Aggressive Panhandling
Some RestrictionsMontgomery CountyMontgomery County bans aggressive panhandling, soliciting money or sales in an intimidating manner, in any place open to the public, including buses and transit vehicles.
Public Urination
Some RestrictionsMontgomery CountyMontgomery County makes it a Class A violation to urinate or defecate in any public place, place open to the public, or anywhere visible from one.
🗑️ Trash & Recycling
Collection Schedule
Some RestrictionsRockville's own code sets minimum refuse pickup frequency for nonsingle-family properties: multifamily buildings must get collection at least five times a week, commercial and…
Bin Placement Rules
Some RestrictionsRockville requires leakproof, covered trash containers in sufficient numbers, and curbside carts must come off the right-of-way within 24 hours of collection under the City's Property…
Illegal Dumping
Significant RestrictionsRockville makes it unlawful to dump, deposit, throw or leave litter, including refuse, trash, debris and garbage, on any public or private property or waters in the City unless the…
Pickup Rules & Schedules
Some RestrictionsRockville bars trash haulers from collecting refuse between 9 p.m. and 7 a.m. on weekdays, and between 9 p.m. and 9 a.m. on weekends and federal holidays, and requires collectors to…
Dumpster Rules
Some RestrictionsRockville requires every commercial, industrial and multifamily refuse container in the city, dumpsters included, to be verminproof, waterproof, noncorrodible and fitted with a…
Recycling Rules
Some RestrictionsMontgomery CountyMontgomery County requires curbside and drop-off recycling under Chapter 48; residents cannot dispose of recyclable materials as trash, and only county-licensed haulers can collect…
Yard Waste Collection
Some RestrictionsMontgomery CountyMontgomery County requires grass, leaves and brush to go out as "yard trim" in paper bags or labeled containers under strict size limits: never in plastic bags, under COMCOR…
Bulk Item Disposal
Some RestrictionsMontgomery CountyMontgomery County requires brush set out for collection to be under 4 inches thick and 6 feet long, bundled or bagged separately from bulky scrap metal items like appliances, which go…
Recycling Requirements
Some RestrictionsMontgomery CountyMontgomery County requires households and businesses to separate recyclables like metal, glass, paper and certain plastics for curbside pickup, drop-off, or licensed hauler collection…
Holiday Pickup Schedule
Some RestrictionsMontgomery CountyFederal holidays and Sundays push licensed collectors' start time from 7 a.m. to 9 a.m. countywide, per Montgomery County Code Chapter 48's collector-licensing rules.
🌍 Environmental Rules
Flood Zones
Significant RestrictionsAny filling, grading, new construction, or substantial improvement inside a FEMA-mapped special flood hazard area in Rockville needs both a City floodplain variance and a floodplain…
Flood Elevation Requirements
Some RestrictionsNew and substantially improved residential structures in Rockville's flood hazard areas must have their lowest floor at least two feet above the base flood elevation: the City's…
Stormwater Management
Some RestrictionsAny Rockville project disturbing 5,000+ square feet, or adding as little as 250 square feet of new pavement on non-residential land, must provide on-site stormwater management.
Erosion Control
Some RestrictionsRockville requires an approved sediment control plan and permit before any land-disturbing construction of 5,000 or more square feet, 100 or more cubic yards of grading, or any new…
☀️ Solar Energy
Panel Permits
Some RestrictionsRockville zoning treats ground-mounted solar as a Renewable Energy System, capping freestanding units at 20 feet in most zones and requiring Special Exception approval to build taller…
Expedited Solar Permitting
Few RestrictionsMontgomery CountyMontgomery County requires DPS to run a fast-track review for rooftop solar permits on single-family homes that meet standardized requirements.
HOA Restrictions
Few RestrictionsMontgomery CountyMaryland Real Property Article 2-119 prohibits HOAs from banning solar panels. HOAs may set aesthetic rules but cannot increase installation cost by more than $1,000.
🔧 Building Safety
Electrical Permits
Some RestrictionsRockville requires an electrical permit issued to a licensed master electrician before any electrical work starts, under the City's adopted 2023 National Electrical Code.
Building Inspections
Some RestrictionsRockville withholds close-in inspections on Group R-3 homes until a Maryland-licensed surveyor or engineer certifies the framed building height, submitted right after framing and…
Plumbing Permits
Some RestrictionsRockville requires a permit before any plumbing work begins, issued to a licensed master plumber except for a narrow owner-occupant exception on a single-family home.
Building Permits
Some RestrictionsRockville doesn't require paperwork for cosmetic touch-ups, but any interior work cutting into walls, structural framing, egress, or utility lines needs a building permit.
Fire Sprinkler Requirements
Heavy RestrictionsRockville requires automatic fire sprinklers in every new one- and two-family home, townhouse, and substantial addition, installed to the NFPA 13D standard.
Childcare Center Rules
Some RestrictionsRockville zoning requires child care centers to fence outdoor play areas and keep them reachable without crossing a street or driveway.
Carbon Monoxide Detectors
Some RestrictionsRockville requires carbon monoxide alarms in all dwellings under NFPA 72, or under IRC Section R315 for homes covered by the residential code, and inoperable units must be replaced.
Green Building Code
Some RestrictionsMontgomery CountyMontgomery County requires new construction and major renovations to meet the 2021 International Green Construction Code, adopted alongside the IBC and IECC by executive regulation and…
Elevator Maintenance
Some RestrictionsMontgomery CountyMontgomery County's building code requires elevators and other service equipment in every building to be kept in good working order at all times, and makes it unlawful for an owner to…
Door Locking Hardware
Some RestrictionsMontgomery CountyEvery entrance and exit door on a rental dwelling unit or personal living quarters building in Montgomery County must have a working deadbolt with at least a one-inch throw.
🚶 Sidewalk & Pedestrian Rules
Sidewalk Repair
Some RestrictionsRockville property owners, not the City, must keep the public sidewalk abutting their lot in proper repair and free of hazards, snow, ice, mud and debris.
Encroachment Permits
Some RestrictionsRockville requires a City Public Works permit before any private improvement, structure, or work goes into the City right-of-way or easement.
Obstruction Rules
Some RestrictionsRockville prohibits obstructing or hindering the free passage of persons on any public street, sidewalk, or highway, including grabbing and soliciting passersby against their will.
🚪 Soliciting & Door-to-Door
Solicitor Permits
Significant RestrictionsAnyone soliciting door-to-door in Rockville must first obtain a City solicitor's license, complete a background check, and wear a photo ID badge while working.
No-Knock Registry
Some RestrictionsRockville limits door-to-door solicitation to 9 a.m. through sunset each day; the code has no City do-not-knock registry, only this fixed hours restriction.
🎪 Special Events & Permits
Park Event Permits
Some RestrictionsHosting a picnic or event with alcohol in a Rockville city park requires a permit from the City Manager, plus payment of a resolution-set fee.
Block Party Permits
Some RestrictionsRockville requires a City license before any block party, parade, marathon, or other event that closes or interferes with a street, sidewalk, or public way: apply through the City…
Sidewalk Dining & Cafés
Some RestrictionsMontgomery CountyRestaurants and bars in Montgomery County need Board of License Commissioners approval before adding outdoor cafe seating, and any tables placed on a public sidewalk need separate…
🪧 Sign Regulations
Digital Billboards
Some RestrictionsRockville allows electronic message center signs only as freestanding signs in the I-L zone and Mixed-Use zones other than MXT and MXC, capped at 0.3 foot-candles above ambient light…
Holiday Displays
Few RestrictionsHoliday lighting fixtures are fully exempt from Rockville's outdoor lighting shielding, aiming, and cutoff standards, as long as they don't create disability glare for neighbors.
Window Signs
Some RestrictionsRockville caps permanent and temporary window signs at 25% of the window surface, but a vacant non-residential storefront may cover up to 95% for as long as nine months in a calendar…
Garage Sale Signs
Some RestrictionsMontgomery CountyNo permit needed for a garage sale sign, but the county's temporary right-of-way sign rules cap size, placement, and how long it can stay up.
Political Signs
Some RestrictionsMarylandMaryland bans placing any sign, including political campaign signs, within a State highway right-of-way under Transportation § 8-605(f). The State Highway Administration, law…
📐 Building Setbacks & Zoning
Structure Height Limits
Some RestrictionsRockville zoning caps single-unit residential building height at 35 feet in the small-lot zones and 40 feet in the large-lot zones, set by the Zoning Ordinance's dimensional tables.
Setback Rules
Some RestrictionsRockville zoning sets minimum yard setbacks for single-unit residential zones, ranging from 25 to 30 feet in front and 8 to 30 feet on the sides, depending on the zone.
Lot Coverage Limits
Some RestrictionsIn Rockville's R-90, R-75, R-60 and R-40 single-unit residential zones, the City's Zoning Ordinance caps building lot coverage at 25%, 35%, 35% and 40% of lot area, limiting how much…
🔑 Rental Property Rules
Rent Increase Notice
Some RestrictionsRockville landlords must give tenants, and the City's Housing Director for larger properties, 90 days' written notice before any rent increase takes effect.
Rental Registration
Significant RestrictionsEvery rental facility in Rockville, Maryland, from single-unit rentals to apartment buildings, must hold a City-issued license before operating, and running one under an expired…
Rent Control
Few RestrictionsRockville has no mandatory rent control: landlords are only 'encouraged' to keep rent increases at or below a percentage the Mayor and Council set annually by resolution.
Just Cause Eviction
Significant RestrictionsRockville sets no local just-cause eviction rule, evictions run on Maryland's Real Property Article, but landlords may not evict, threaten, or punish a tenant for exercising legal…
Repairs & Habitability
Some RestrictionsRockville landlords must keep rental units, common areas and utilities clean, safe and in working order, with a duty to repair enforced by the City's Landlord-Tenant Commission.
Eviction Notice & Process
Some RestrictionsMarylandFor failure to pay rent, Maryland now requires a 10-day written cure notice before filing summary ejectment (Real Property § 8-401). To evict for a lease breach, the landlord must give…
Landlord Entry & Notice
Some RestrictionsMarylandMaryland adopted a statewide landlord-entry statute effective October 1, 2025. Under Real Property § 8-221, landlords must give at least 24 hours' written notice and may enter only…
Late Fees & Grace Periods
Heavy RestrictionsMarylandMaryland caps late-rent penalties at 5% of the delinquent rent. Under Real Property § 8-208, a lease may not impose a late fee greater than 5% of the overdue rent for the rental…
Lease Termination & Notice to Vacate
Some RestrictionsMarylandTo end a month-to-month tenancy in Maryland, either party must give 60 days' written notice before the period expires under Real Property § 8-402. Weekly tenancies require 7 days'…
Security Deposit Rules
Some RestrictionsMarylandMaryland caps most security deposits at one month's rent for leases entered on or after October 1, 2024, down from the old two-month limit. Landlords must return the deposit with…
Squatter's Rights & Adverse Possession
Few RestrictionsMarylandMaryland requires 20 years of adverse possession before a squatter can claim land. Under Courts and Judicial Proceedings § 5-103, an owner must file to recover possession or enter the…
🎋 Invasive Plant Rules
Prohibited Species
Some RestrictionsRockville's Zoning Ordinance requires landscaping installed under a site or Project Plan review to be kept free of refuse, debris, and invasive plants, with the owner responsible for…
Tree-of-Heaven Removal
Light RestrictionsMontgomery CountyA county pesticide regulation names Ailanthus altissima (tree of heaven) as an invasive species that can be treated with registered pesticide within 25 feet of a waterbody on Parks…
🏘️ HOA Rules
Board Governance
Some RestrictionsRockville has no homeowners' association ordinance of its own. City Code § 1-8(b) reaches back into Montgomery County law and applies County Chapter 24B (HOAs) and Chapter 10B (common…
Board Procedures
Some RestrictionsMontgomery CountyHOAs in Montgomery County are governed by the Maryland Homeowners Association Act (Real Property Article 11B) which requires open board meetings, annual meetings with quorum, advance…
Dispute Resolution
Some RestrictionsMontgomery CountyMaryland law provides multiple paths for resolving HOA disputes, including internal hearings, the Montgomery County Office of Consumer Protection, MHIC mediation, and court action. The…
HOA Fines & Enforcement
Some RestrictionsMontgomery CountyMontgomery County lets HOA owners dispute a fine before the Commission on Common Ownership Communities, and once a dispute is filed the association cannot enforce that fine until the…
Architectural Review
Heavy RestrictionsMontgomery CountyMost Montgomery County HOAs require homeowners to submit exterior modification requests to an architectural review committee (ARC) before making changes. This applies to paint colors…
Assessment & Dues
Some RestrictionsMontgomery CountyMaryland HOA Act (Real Property 11B) governs assessment collection in Montgomery County HOAs. Regular assessments must be established by the budget adopted by the board. Special…
CC&R Enforcement
Some RestrictionsMontgomery CountyMontgomery County HOAs enforce covenants, conditions, and restrictions (CC&Rs) through violation notices, fines, and lien authority under the Maryland HOA Act. The enforcement process…
Clotheslines & Energy Devices
Few RestrictionsMarylandMaryland Real Property § 14-130 makes clothesline bans unenforceable on single-family property: no covenant, declaration, bylaw, rule, lease, or rental agreement may prohibit a…
Drought Landscaping Rights
Some RestrictionsMarylandMaryland Real Property § 2-125 stops a covenant, declaration, contract, security instrument, or condominium or homeowners association bylaw from imposing unreasonable limitations on…
EV Charger Rights
Some RestrictionsMarylandMaryland Real Property § 11B-111.8 voids any homeowners association covenant, declaration provision, bylaw, or rule that effectively prohibits or unreasonably restricts installing or…
Flag Display Rights
Light RestrictionsMarylandMaryland Real Property § 14-128 guarantees every homeowner and tenant the right to display one portable, removable flag of the United States at the home they live in, and it voids any…
Lien & Foreclosure Limits
Some RestrictionsMarylandA Maryland homeowners association has no lien of its own. Real Property § 11B-117(b) sends it out to the Maryland Contract Lien Act at Real Property Title 14, Subtitle 2, and…
🏨 Hotels & Lodging
🌳 Tree Protection
Parkway Planting
Some RestrictionsRockville requires subdivision applicants to plant at least one street tree per 40 feet of lot frontage within the public right-of-way, with species and placement approved by City…
Heritage & Protected Trees
Some RestrictionsMontgomery CountyMontgomery County has no separate heritage-tree ordinance, but its Forest Conservation Law protects officially designated champion trees and unusual specimen trees: any development or…
Protected Tree Species
Significant RestrictionsMontgomery CountyMontgomery County flags champion, specimen, and state/federally listed rare trees as priority-retention resources under Chapter 22A: removing one without an approved tree save plan or…
🩺 Public Health Rules
Rodent Control
Some RestrictionsRockville, Maryland requires owners of multifamily, commercial, and other nonsingle-family properties to keep refuse in verminproof, tight-lidded containers, and treats any sign of…
Food Handler Certification
Some RestrictionsMontgomery CountyEvery Montgomery County food service facility must have a certified food service manager on staff, and the manager must be on-site controlling operations after July 15, 1989.
Calorie Labeling
Some RestrictionsMontgomery CountyChain restaurants with 20+ U.S. locations must post calorie counts on every menu and menu board under County Code § 15-15A, with full nutrition data available in writing on request.
Bed-Bug Rules
Some RestrictionsMontgomery CountyMontgomery County's housing code splits bed bug and other insect extermination duty by scope: tenants handle infestations confined to their own unit, but landlords must exterminate…
🔍 Rental Inspections
Tenant Complaint Process
Some RestrictionsRockville tenants or landlords who believe a defective tenancy exists can file a written complaint with the City Manager, who investigates and may refer unresolved disputes to the…
Inspection Programs
Significant RestrictionsEvery Rockville, Maryland rental facility must pass a City inspection before a license is issued or renewed, and landlords must allow further inspections on 72 hours' notice when a…
🍔 Food Trucks & Mobile Vendors
Sidewalk & Mobile Vending
Some RestrictionsRockville's zoning code classifies food trucks and similar movable units as a 'Mobile Use': permitted in every zone but never allowed to be permanently affixed, and still bound by the…
Vending Zones
Some RestrictionsRockville's zoning code defines food trucks as a 'Mobile Use' and requires, wherever the use is sited, that the unit not be bolted to a foundation and that vendors follow the City's…
Food Truck Permits
Some RestrictionsMontgomery CountyMontgomery County treats a food truck as a licensed vendor under Chapter 47 on top of the Chapter 15 health license every food service facility needs before selling to the public.
🛏️ Homelessness & Encampment Rules
🏚️ Property Maintenance
Property Blight
Significant RestrictionsRockville declares any building meeting its dangerous-building criteria, structural failure, fire damage, unsafe egress, unfit-for-habitation conditions, a public nuisance the City can…
Snow & Sidewalk Clearing
Some RestrictionsRockville property owners must clear sidewalk snow and ice within 24, 48 or 72 hours depending on how much fell, or the City will do it and bill them.
Vacant Lot Maintenance
Some RestrictionsRockville's solid waste code doesn't stop at occupied buildings. Chapter 20 makes the owner of any vacant lot personally responsible for keeping it clear of refuse, and unclean…
🌱 Cannabis Regulations
Dispensary Zoning
Some RestrictionsRockville has not opted out of cannabis retail: its Zoning Ordinance defines Cannabis Dispensary as a licensed retail use, requiring a Maryland State license and compliance with the…
Home Cultivation
Few RestrictionsMarylandThe Cannabis Reform Act, codified in Title 36 of the Alcoholic Beverages and Cannabis Article, allows adults 21 and older to cultivate up to two cannabis plants per household and…
💧 Water Use Rules
Recycled Water Rules
Few RestrictionsRockville exempts commercial vehicle washing facilities that use recycled water from the city's water-restriction ban on washing cars, trucks, and trailers during declared shortages.
Leak Reporting Duty
Some RestrictionsMontgomery CountyIn licensed Montgomery County rental housing, pervasive water leaks causing chronic dampness, mold, or property damage force annual inspections and a mandatory corrective action plan…
🚬 Tobacco & Vaping
Flavored Tobacco Bans
Significant RestrictionsMontgomery CountyMontgomery County bars manufacturers from distributing flavored electronic cigarettes to any retail store within a half-mile of schools, libraries, or recreation facilities, targeting…
Tobacco Age Restrictions
Some RestrictionsMarylandMaryland prohibits the sale of any tobacco or electronic smoking device to anyone under age 21 under Health-General Article 16.7A.
🛴 Mobility & Curb Rules
Bike Lane Rules
Some RestrictionsMontgomery CountyMontgomery County bans stopping, standing, or parking any vehicle on a bikeway, a term covering on-street bike lanes and sidepaths, under County Code § 31-20(a)(11), backed by a $60…
Shared E-Scooter Rules
Significant RestrictionsMontgomery CountyCompanies operating two or more rental e-scooters in Montgomery County must register the fleet with the Department of Transportation, pay a registration fee, and display ID on every…
Golf Carts & Low-Speed Vehicles
Some RestrictionsMarylandMaryland runs two separate schemes. A golf cart may be driven unregistered, but only on a county or municipal highway the governing body has actually designated for carts, only where…
📢 Noise from Specific Sources
Bar & Nightclub Noise
Some RestrictionsMontgomery CountyA bar or nightclub emitting noise above 65 dBA daytime / 55 dBA nighttime into a residential area, or 67/62 dBA into a non-residential area, violates Montgomery County's noise…
Delivery Truck Noise
Some RestrictionsMontgomery CountyDelivery-truck loading and unloading counts as noise under County law: it can't push sound past 55 dBA at night or 65 dBA by day on residential property, and it's a listed example of a…
Car Alarm Limits
Some RestrictionsMontgomery CountySounding a car alarm, horn, or other vehicle signaling device on private property is banned except for emergencies or daytime warning signals within noise limits.
HVAC & Mechanical Noise
Some RestrictionsMontgomery CountyOutdoor heat pumps and A/C units on small residential lots in Montgomery County must meet a strict 60 dBA property-line limit, enforced under a dedicated executive regulation, not the…
Low-Frequency Bass Limits
Some RestrictionsMontgomery CountyMontgomery County sets a stricter decibel threshold for prominent discrete tones below 125 Hz, bass hums and whines, than for higher-frequency tones, and bars any such tone that…
Generator Noise
Some RestrictionsMontgomery CountyGenerators and motor-vehicle-powered devices must stay under the county's dBA noise limits or avoid creating a noise disturbance, county-wide.
🗺️ Zoning Overlays & Bonuses
Downtown Design Guide
Significant RestrictionsMontgomery CountyDevelopment in downtown Bethesda falls under a special zoning overlay that caps building height at the underlying zone limit and lets height and density rise only through Planning…
Density Bonus Law
Some RestrictionsMontgomery CountyIn the county's Planned Development (PD) zone, Chapter 59 lets projects exceed the maximum base density to build Moderately Priced Dwelling Units, with the required MPDU share set by…
🚜 Right to Farm
Farm Nuisance Protection
Some RestrictionsMontgomery CountyMontgomery County requires sellers near agricultural zones to disclose that Maryland law shields farms operating over a year from nuisance lawsuits, under County Code § 40-12B.
Agricultural Zoning Protection
Few RestrictionsMontgomery CountyThe AR zone makes farming the preferred use on roughly a third of the county, protecting farm operations and machinery from being restricted by neighboring uses.
🚁 Drone Rules
Commercial Drones
Some RestrictionsMarylandMaryland reserves exclusive authority over commercial UAS operations under Courts 14-301, requiring operators to follow FAA Part 107 certification, registration, and operational limits…
Recreational Drones
Some RestrictionsMarylandMaryland Courts and Judicial Proceedings Section 14-301 expressly preempts local drone regulation, reserving exclusive authority over unmanned aircraft systems to the state and federal…
💼 Employment Preemption
🔫 Firearms
Concealed Carry
Heavy RestrictionsMarylandMaryland issues Wear and Carry Permits through the State Police and prohibits concealed carry in many sensitive locations across the state.
Local Firearms Preemption
Heavy RestrictionsMarylandMaryland preempts local firearms regulation under Criminal Law § 4-209, which reserves to the State the purchase, sale, transfer, ownership, possession, and transportation of handguns…
🎰 Gambling & Gaming
Casino Zoning Districts
Heavy RestrictionsMarylandMaryland law names the only places a casino may ever legally operate: one site each in Anne Arundel, Cecil, Allegany, and Worcester counties, in Baltimore City, and in Prince George's…
Charitable Bingo and Raffles
Some RestrictionsMarylandMaryland regulates charitable bingo and raffles county by county, not through one statewide code. Criminal Law Title 13, "Gaming, Local Provisions," gives each jurisdiction its own…
Social Gambling Rules
Some RestrictionsMarylandMaryland exempts small-stakes social play from its gambling ban through the "home game" law at State Government § 9-1C-01. Adults 21 and older may host mah jong or card games with…
Sports Betting Law
Significant RestrictionsMarylandMaryland legalized sports wagering in 2021 under State Government § 9-1E-01 et seq., requiring anyone who operates or facilitates sports betting to hold a license from the Lottery and…
⚖️ Know Your Rights
DUI Checkpoint Legality
Some RestrictionsMarylandMaryland runs sobriety checkpoints and the General Assembly has legislated about them exactly once. Transportation section 25-114 defines a "checkpoint" as a predetermined fixed…
Recording Police
Some RestrictionsMarylandMaryland has no statute granting a right to record the police. What governs instead is the Maryland Wiretap Act at Courts and Judicial Proceedings sections 10-401 through 10-410, which…
Stop & Identify Laws
Light RestrictionsMarylandMaryland has never enacted a general stop-and-identify statute. A full-text search of the Annotated Code returns nothing for "stop and identify," "produce identification," or "refuses…
Vehicle Search & Consent
Few RestrictionsMarylandMaryland wrote its search rule into the code when it legalized adult cannabis use. Criminal Procedure section 1-211 forbids a law enforcement officer from initiating a stop or a search…
🚗 Vehicle Equipment Laws
Underglow & Auxiliary Lighting
Some RestrictionsMarylandMaryland lets you add auxiliary lighting, but it counts the lamps and measures the mounting height. Transportation Article § 22-217 allows one spot lamp, no more than two fog lamps…
Dash Cam & Windshield Mounting
Some RestrictionsMarylandMaryland has no dash camera statute at all, so a dash cam is governed by the general windshield-obstruction rule at Md. Transp. § 21-1104. Subsection (c)(1) makes it an offense to…
Lane Splitting & Filtering
Significant RestrictionsMarylandLane splitting is expressly illegal in Maryland. Transportation Article § 21-1303(d) says a person may not operate a motorcycle between lanes of traffic or between adjacent lines or…
Plate Covers & Obstruction
Significant RestrictionsMarylandMaryland attacks registration plate covers from three directions. Transportation Article § 13-411.1 defines a plate cover by what it is designed to do, then bans selling one, offering…
Radar Detector Rules
Few RestrictionsMarylandA radar or laser detector is lawful in a private vehicle in Maryland. The Transportation Article devotes an entire title to vehicle equipment, Title 22, and across its sections from §…
Studded Tire & Chain Rules
Significant RestrictionsMarylandMaryland bans studded tires on its highways as a baseline rule, then carves out five counties. Under Transportation Article § 22-405.2(c), owners of vehicles registered in Allegany…
Window Tint Limits
Significant RestrictionsMarylandMaryland caps aftermarket window tint at 35% light transmittance, and on a Class A passenger car that limit applies to every window on the vehicle, rear glass included. Light trucks…