What Modesto Regulates: A Complete Ordinance Overview

Modesto is a mid-sized city in Stanislaus County, California, with about 218000 residents. Like most cities its size, it has a set of local rules that may differ significantly from neighboring municipalities. Here is an overview of 139 ordinances across 40 categories that affect daily life in Modesto.

Rental Property Rules

Rent Control: Modesto's Mobile Home Rent Stabilization Program caps annual space-rent increases in the City's roughly nine mobile home parks at the Consumer Price Index, with a hard ceiling of 6 percent, under Modesto Code of Ordinances Sections 4-19.06 and 4-19.07. Apartments and single-family rentals are not covered; only mobile home park spaces are rent-stabilized..

Also covered: Rental Registration (moderate), Repairs & Habitability (moderate), Rent Increase Notice (moderate). See the full rental property rules guide for Modesto for details.

Special Events & Permits

Parade Permits: Modesto Code of Ordinances § 4-8.01 requires a Police Chief-issued permit for any parade, march or procession on a public street, alley or park. Organizers must apply 15 to 60 days ahead, and the Chief can deny, reroute or reschedule a parade using six specific public-safety criteria set out in § 4-8.04..

Also covered: Block Party Permits (moderate), Park Event Permits (moderate), Sidewalk Dining & Cafés (moderate). See the full special events & permits guide for Modesto for details.

Noise Ordinances

Construction Hours: Modesto bans loud construction tools and equipment before 7 a.m. or after 9 p.m.

Also covered: Aircraft Noise (moderate), Amplified Music & Outdoor Sound (moderate), Vehicle Noise (moderate). See the full noise ordinances guide for Modesto for details.

Environmental Rules

Flood Zones: Any construction, grading, filling, or other development inside a special flood hazard area in Modesto requires a building permit before work begins. The Floodplain Administrator, who is the Chief Building Official, reviews every application against FEMA's Flood Insurance Study and Rate Maps and can deny a project that would raise the base flood level..

Also covered: Erosion Control (restrictive), Flood Elevation Requirements (moderate), Stormwater Management (restrictive). See the full environmental rules guide for Modesto for details.

Business Licensing & Operations

Auto Repair on Residential Property: Modesto's home occupation rules flatly exclude on-site vehicle repair from the businesses a resident may run out of a dwelling. Separately, the City requires every auto repair shop to operate from a Planning Department-approved location, not as a mobile or door-to-door service..

Also covered: Towing Companies (restrictive), Adult Entertainment (restrictive), Secondhand Dealers (restrictive). See the full business licensing & operations guide for Modesto for details.

Parking Rules

RV & Boat Parking: Modesto zoning section 10-3.214 limits a residential lot to two recreational vehicles parked outside a structure, requires they sit at least 3 feet from any habitable building and outside the clear-vision zone, and prohibits any portion of the RV from overhanging the public sidewalk..

Also covered: Loading Zones (moderate), Preferential Parking Districts (restrictive), Commercial & Oversized Vehicles (moderate). See the full parking rules guide for Modesto for details.

Building Safety

Elevator Maintenance: Modesto requires every elevator, escalator and dumbwaiter to be maintained under national ASME A17.1 standards, with a current inspection certificate posted for public view and at least one elevator kept running whenever a building with passenger elevators is occupied..

Also covered: Building Inspections (moderate), Electrical Permits (moderate), Plumbing Permits (moderate). See the full building safety guide for Modesto for details.

Fire Regulations

Fireworks: Only California State Fire Marshal-approved 'Safe and Sane' fireworks may be sold or used in Modesto, and only from noon June 28 through noon July 6 each year. All dangerous (aerial/explosive) fireworks are banned and the city imposes some of the steepest fines in California..

Also covered: Smoke Detectors (moderate), Brush Clearance (permissive), Fire Pits & Backyard Fires (strict). See the full fire regulations guide for Modesto for details.

Landscaping Rules

Tree Removal & Heritage Trees: Removing a street tree in Modesto's right-of-way or planting easement requires a permit from the Public Works Director under § 7-5.05(d). Owners apply through the Solid Waste Division; the Director weighs owner hardship against the tree's condition and the Street Tree Plan, and any granted permit expires after 60 days..

Also covered: Native Plants (moderate), Weed Ordinances (restrictive), Composting (permissive). See the full landscaping rules guide for Modesto for details.

Public Conduct

Loud Party Ordinance: Modesto Code of Ordinances § 4-18.06 makes it a misdemeanor for anyone in control of a premises to knowingly host, permit or allow a gathering where a minor drinks alcohol without taking reasonable steps to stop it. Police can order the party disbanded as a public nuisance, and the City bills hosts for its response costs..

Also covered: Jaywalking (moderate), Skateboarding Rules (restrictive), Public Alcohol Use (restrictive). See the full public conduct guide for Modesto for details.

Filming & Production

Location Permits: Modesto Code of Ordinances § 7-3.106(b) requires anyone who wants to film, tape, photograph or record staged activity at the Modesto City-County Airport to get an Airport Manager permit at least 24 hours in advance. News crews covering unstaged events are exempt under § 7-3.106(c)..

Hotels & Lodging

Transient Occupancy Tax: Modesto's Uniform Transient Occupancy Tax under § 8-2.603 charges every hotel guest staying 27 consecutive days or less nine percent of the rent, phased in from seven percent in 1985 to nine percent by July 1987. Operators collect it when rent is paid and remit it to the Finance Director as Tax Administrator..

Animal Ordinances

Exotic Pets: Exotic pet ownership in Modesto is primarily governed by California Department of Fish & Wildlife (CDFW) regulations, which are among the most restrictive in the nation. Most wild, venomous, and non-domesticated animals are prohibited without permits..

Also covered: Microchipping (limited), Dog Leash Laws (moderate), Mandatory Spay/Neuter (moderate). See the full animal ordinances guide for Modesto for details.

Trash & Recycling

Illegal Dumping: Dumping garbage, recycling, organic waste, green waste, hazardous waste, or bulky items on public or private property without the owner's consent is an abatable nuisance under Modesto Code § 5-5.106, with fines starting at $1,000.00 and climbing to $2,000.00 for repeat violations..

Also covered: Recycling Rules (moderate), Recycling Requirements (moderate), Bin Placement Rules (moderate). See the full trash & recycling guide for Modesto for details.

Tobacco & Vaping

Flavored Tobacco Bans: Licensed Smoke Shops in Modesto may not sell flavored tobacco products, defined by reference to California Health and Safety Code Section 104559.5, under Code Section 4-24.105(k)(4). Every Smoke Shop must also post the exact phrase "Sale of Flavored Tobacco is Prohibited" on an interior wall or fixture, not on the windows, under Section 4-24.105(d)(3)..

Local Taxes & Fees

Business Tax Classification: The Modesto Finance Director decides which license-tax class a business falls into, and a business that thinks it was misclassified can apply for reclassification within three months of paying the tax. Any licensee still unhappy with the Director's ruling can appeal to the City Council under Modesto Code of Ordinances § 6-1.110..

Sidewalk & Pedestrian Rules

Obstruction Rules: Modesto Code of Ordinances § 4-5.01 makes it a misdemeanor to block any public street or alley with anything large or bulky that obstructs free passage. Companion sections in Chapter 5 add specific bans on sidewalk merchandise displays and street-spanning banners, plus lighting duties for temporary obstructions, while carving out narrow exceptions for construction materials and deliveries..

Also covered: Sidewalk Repair (moderate). See the full sidewalk & pedestrian rules guide for Modesto for details.

Public Health Rules

Rodent Control: Modesto requires every property and structure to stay free of rodent harborage and infestation, assigning extermination duty to owners before renting a unit and to occupants for ongoing pest-free upkeep..

Also covered: Food Handler Certification (moderate). See the full public health rules guide for Modesto for details.

Curfew Laws

Juvenile Curfew: Modesto Code § 4-7.202 makes it unlawful for a minor under sixteen to linger or remain in any public place between 10:00 p.m. and 5:00 a.m., and for a minor under eighteen to do so between 11:00 p.m.

Also covered: Park Curfew (moderate). See the full curfew laws guide for Modesto for details.

Homelessness & Encampment Rules

Encampment Sanitation: Modesto Code of Ordinances § 4-12.703 makes it unlawful and a public nuisance to camp, occupy camp facilities, or use camp paraphernalia on any public property, or on private property without the owner's consent. Even with consent, overnight camping on residential land by friends or family is capped at five consecutive nights.

Also covered: Sit-Lie Rules (restrictive). See the full homelessness & encampment rules guide for Modesto for details.

Garage & Yard Sales

Frequency, Duration & Permits: Modesto allows garage sales in residential zones, but caps each sale at three consecutive days and limits any one property to two garage sales per calendar year. Running a longer or more frequent sale is a code violation enforced as an infraction..

Food Trucks & Mobile Vendors

Sidewalk & Mobile Vending: Anyone selling food or merchandise from a pushcart, stand, or non-motorized cart on a Modesto sidewalk needs an annual sidewalk vending permit from the City's neighborhood preservation unit under Modesto Code § 4-1.1203. The permit is nontransferable, expires each December 31, and requires a business license, seller's permit, and county health approval before a cart can legally operate..

Also covered: Vending Zones (moderate), Food Truck Permits (moderate). See the full food trucks & mobile vendors guide for Modesto for details.

Home Business

Signage Rules: Modesto flatly bans signs identifying a home business, its products, or its services, and separately bars advertising any on-premises sales or services in the phone book, newspapers, circulars, radio, or TV. Off-premises services may still be advertised in those same media..

Also covered: Home Daycare (moderate), Zoning & Home Occupation Permits (moderate), Customer Traffic Restrictions (restrictive). See the full home business guide for Modesto for details.

Outdoor Lighting

Billboard Lighting: Modesto limits electronic message boards, video display signs, and digital freeway billboards along Highway 99 to a brightness of three-tenths of a foot candle above ambient light, measured with a Lux meter under Municipal Code Section 10-6.108(f)(1)(ii)(j). Every covered sign must run automatic dimming technology and revert to a black screen immediately if it malfunctions or exceeds the cap..

Also covered: Dark Sky Rules (moderate). See the full outdoor lighting guide for Modesto for details.

Sign Regulations

Digital Billboards: Digital freeway billboards in Modesto are allowed only as relocations or conversions of existing billboards along State Highway 99, per Section 10-6.108(f)(3) of the Municipal Code. The City Council must approve a conditional use permit for each one, and citywide, no more than seven digital freeway billboards may operate at once, spaced at least 2,500 feet apart..

Also covered: Garage Sale Signs (limited), Freeway-Facing Signs (restrictive), Window Signs (moderate). See the full sign regulations guide for Modesto for details.

Soliciting & Door-to-Door

Solicitor Permits: Modesto requires door-to-door solicitors and peddlers to obtain a Solicitation Temporary Permit from the Modesto Police Department before canvassing. The permit costs $10.

Also covered: No-Knock Registry (restrictive). See the full soliciting & door-to-door guide for Modesto for details.

Cannabis Regulations

Buffer Zones: Modesto bars every commercial cannabis use, from cultivation to dispensary, from locating within 600 feet of a school, licensed child care center or youth center; within 200 feet of a park or library; or within 100 feet of a residential structure, each measured from the nearest property lines. Cannabis is also banned outright inside the Downtown Cannabis Prohibition Overlay regardless of the parcel's zoning..

Also covered: Dispensary Zoning (restrictive). See the full cannabis regulations guide for Modesto for details.

Building Setbacks & Zoning

Setback Rules: Modesto's Table 4.1-1 sets minimum yard setbacks for the R-1, R-2 and R-3 residential zones: 15 feet in front, 5 feet on an interior side for a one-story wing, and 10 feet in the rear. Second- and third-story additions push the side and rear numbers up sharply, especially next to an R-1 lot..

Also covered: Structure Height Limits (moderate), Lot Coverage Limits (moderate). See the full building setbacks & zoning guide for Modesto for details.

Short-Term Rentals

Short-Term Rental Permits: Every operator of a vacation rental or short-term rental in Modesto must register with the Tax Administrator and obtain a Transient Occupancy Registration Permit before renting to transients. The permit must remain in effect at all times the unit is operated and must be posted on the premises..

Also covered: Occupancy Limits (moderate), Short-Term Rental Parking Rules (moderate). See the full short-term rentals guide for Modesto for details.

Swimming Pools & Spas

Pool Permits: Modesto requires a building permit from the city's Building Safety Division before constructing, installing, or substantially remodeling any swimming pool, spa, or hot tub. Permits include separate electrical, plumbing, and barrier inspections..

Also covered: Fencing & Safety Requirements (moderate). See the full swimming pools & spas guide for Modesto for details.

Tree Protection

Parkway Planting: Modesto's Street Tree Plan under § 7-5.02 sets the varieties and locations planted in the public right-of-way, and § 7-5.04 assigns planting duties: subdividers must supply about one tree per lot (two or three on corners), the City maintains right-of-way trees, and abutting owners must water them..

Fence Regulations

Retaining Walls: Modesto exempts retaining walls up to four feet tall, measured from the bottom of the footing to the top of the wall, from a building permit. Anything taller, or any wall holding back a surcharge or Class I, II, or IIIA liquids, needs Building Safety Division review regardless of height..

Also covered: Material Restrictions (moderate), Fence Permit Requirements (moderate), Neighbor Fence Rules (permissive). See the full fence regulations guide for Modesto for details.

Historic Preservation

Historic-Cultural Monuments: Modesto designates Landmark Preservation Sites by City Council resolution after Commission review, then requires written Commission approval before any building permit for alteration, relocation or demolition of a designated site can issue..

Employment Preemption

Worker Scheduling Preemption: Modesto has enacted no local predictive or fair-workweek scheduling ordinance. California has no statewide predictive scheduling law.

Outdoor Cooking

BBQ & Propane Rules: Modesto's Fire Code amendment to the LP-gas permit rule exempts residential barbecue propane containers from a permit only if they hold no more than 5 gallons of water capacity and are used and stored outside of buildings. Larger residential tanks fall under the City's general LP-gas permit and installation rules instead..

Mobility & Curb Rules

TNC Pickup Zones: Modesto marks dedicated curb space for taxicabs and transportation network company (TNC) vehicles awaiting hire, painted yellow on white and signed 'Taxicab' or 'App Ride/TNC Zone.' Drivers may not park there longer than needed to pick up or drop off passengers, and the City can also open commercial loading zones to TNC pickups during non-commercial hours..

Property Maintenance

Property Blight: Modesto's Property Maintenance Code, MMC § 9-9.509, declares blighted or deteriorating conditions public nuisances. The Code Enforcement Unit issues administrative citations and civil penalties against owners of properties with visible junk, debris, broken structures, or neglected landscaping..

Also covered: Snow & Sidewalk Clearing (moderate). See the full property maintenance guide for Modesto for details.

Zoning Overlays & Bonuses

Downtown Design Guide: Modesto governs its downtown with a form-based code under Article 5 of the zoning chapter, splitting the area into six named zones such as Central Downtown and Main Street Downtown under Section 10-7.505. Development must use one of nine defined Building Types, from Row House to Commercial Block, per Section 10-7.512, and follow the City's Design Guidelines for Commercial and Industrial Development under Section 10-7.515..

Also covered: Density Bonus Law (moderate). See the full zoning overlays & bonuses guide for Modesto for details.

Solar Energy

Expedited Solar Permitting: Modesto runs an administrative, nondiscretionary review for small residential rooftop solar systems up to 10 kilowatts AC, reviewing complete applications within three business days and scheduling a single consolidated inspection within five business days, per the Solar Rights Act and Government Code Section 65850.5..

Accessory Structures

ADU Rules: Modesto Municipal Code Article 5 (sections 10-4.501 to 10-4.512) permits ADUs ministerially on lots with a single-family or duplex dwelling, capping detached units at 1,200 sq ft and 16 ft in height (18 ft near major transit), with 4 ft side and rear setbacks. Standards mirror Govt Code section 65852.2..

Also covered: Shed & Carport Rules (moderate), Garage Conversions (permissive). See the full accessory structures guide for Modesto for details.

What to Do With This Information

If you are moving to Modesto, buying a home, or starting a project, use this as a starting point. Each category links to detailed pages with the full text, penalties, and FAQs. Verify anything time-sensitive with Modesto's city hall or code enforcement office.