Moving to San Diego County, CA?
Here are the local rules you need to know before you unpack.
Every city has its own set of local ordinances that go beyond state and federal law. From when you can mow your lawn to whether you can park your RV in the driveway, these rules affect daily life in ways most people do not expect. This guide covers the key ordinances in San Diego County across 29 categories and 122 specific rules we track.
๐ Noise Ordinances
Noise rules affect everything from weekend parties to lawn care schedules. Quiet hours, construction restrictions, and barking dog limits vary widely between cities.
Industrial Noise
Some RestrictionsIndustrial noise in unincorporated San Diego County is addressed through the county noise ordinance and conditional use permit conditions. The County Noise Ordinance establishes standards by zone.
Aircraft Noise
Some RestrictionsSan Diego County has significant military and civilian aircraft operations. MCAS Miramar, Naval Base San Diego, and multiple regional airports generate aircraft noise. FAA preempts local regulation of flight paths.
Quiet Hours
Some RestrictionsSan Diego County Code of Regulatory Ordinances Section 36.404 sets noise limits by property zone and time of day. Residential zones: 50 dBA daytime (7 AMโ10 PM), 45 dBA nighttime (10 PMโ7 AM). Sound-level measurements taken at the property line of the affected property.
Barking Dogs
Some RestrictionsSan Diego County Code Chapter 6 (Animal Control) and the noise ordinance address barking dogs. Persistently barking dogs that disturb neighbors violate Section 36.401's general noise disturbance provisions. County Animal Services investigates complaints and may declare a dog a public nuisance.
Amplified Music & Events
Some RestrictionsAmplified music in unincorporated San Diego County must comply with the noise ordinance decibel limits under Section 36.404. Residential zones: 50 dBA daytime, 45 dBA nighttime at the property line. Amplified sound for events may require a special permit from the County.
Construction Hours
Some RestrictionsConstruction in unincorporated San Diego County is limited to 7 AMโ7 PM Monday through Saturday. Construction on Sundays and legal holidays is prohibited unless a special permit is granted. Section 36.408 of the County Code regulates construction noise.
Leaf Blower Rules
Few RestrictionsSan Diego County does not have a specific leaf blower ban or restriction beyond the general noise ordinance. Leaf blowers must comply with the 75 dBA construction equipment standard and general noise limits. No ban on gas-powered blowers in unincorporated areas.
๐ Short-Term Rentals
If you plan to rent out your home on Airbnb or VRBO - even occasionally - you need to know the local STR rules before listing.
Night Caps
Few RestrictionsUnincorporated San Diego County imposes no annual night cap on short-term rentals. Unlike the City of San Diego's tiered STRO program, the County does not require a short-term rental license or limit rental nights per year. Operators must register for a Transient Occupancy Tax (TOT) certificate (effective July 1, 2024) and remit 8% TOT for stays of 30 days or less.
Parking Rules
Few RestrictionsUnincorporated San Diego County does not impose STR-specific parking requirements. Standard residential parking rules apply. Street parking limited to 72 consecutive hours. Guests should use available on-site parking where possible.
Registration Rules
Heavy RestrictionsSan Diego County requires a Short-Term Residential Occupancy (STRO) permit for vacation rentals in unincorporated areas under Zoning Ordinance Section 6900 et seq. Both hosted and un-hosted rentals need permits. Operators must obtain a TOT certificate and maintain good neighbor policies.
Permit Requirements
Heavy RestrictionsSan Diego County requires a Short-Term Residential Occupancy (STRO) permit for vacation rentals in unincorporated areas under Zoning Ordinance Section 6900 et seq. Both hosted and un-hosted rentals need permits. Operators must obtain a TOT certificate and maintain good neighbor policies.
Occupancy Limits
Few RestrictionsUnincorporated San Diego County does not have a specific short-term rental occupancy ordinance with numeric caps. STR operators must comply with zoning, building codes, and septic/water system capacity. General nuisance provisions apply to overcrowding.
Taxes & Fees
Some RestrictionsSan Diego County imposes an 8% Transient Occupancy Tax (TOT) on short-term rentals of 30 days or fewer in unincorporated areas. Operators must register with the County Treasurer-Tax Collector and remit TOT quarterly.
Insurance Requirements
Few RestrictionsUnincorporated San Diego County does not mandate specific liability insurance minimums for short-term rental operators. However, California law and standard practice recommend liability coverage. Platforms like Airbnb provide host protection insurance.
Noise Rules
Some RestrictionsShort-term rental properties in unincorporated San Diego County must comply with the county's general noise ordinance. No separate STR-specific noise rules exist. Residential noise limits of 50 dBA day / 45 dBA night apply at the property line.
๐ฅ Fire Regulations
Fire pit rules, fireworks restrictions, and brush clearance requirements are especially important if you are coming from a state with different fire risk profiles.
Smoke Detectors
Heavy RestrictionsUnincorporated San Diego County enforces the 2022 California Residential Code Section R314 (adopted under County Code Title 9, Division 1) for smoke alarms. Alarms listed to UL 217 are required in each sleeping room, outside each sleeping area, and on each story including basements. New construction requires hardwired interconnected alarms with battery backup; alterations and additions trigger retrofit. Sellers must deliver a written compliance statement under Health and Safety Code Section 13113.8.
Fire Pit Rules
Heavy RestrictionsSan Diego County's 2023 Consolidated Fire Code strictly regulates fire pits in unincorporated areas. Recreational fires must be in approved containers, 15 feet from structures, and attended at all times. Backcountry and VHFHSZ areas face additional restrictions, especially during Red Flag Warnings.
Brush Clearance
Heavy RestrictionsSan Diego County requires property owners in unincorporated areas to maintain defensible space around structures per the 2023 Consolidated Fire Code. Zone 0 (0โ5 ft): non-combustible only. Zone 1 (5โ50 ft): fire-resistant, irrigated plants. Zone 2 (50โ100 ft): reduced fuel load. Compliance is mandatory year-round.
Wildfire Zones
Heavy RestrictionsMuch of unincorporated San Diego County is designated as a Very High Fire Hazard Severity Zone (VHFHSZ) by CAL FIRE. Properties in these zones must meet enhanced building standards, defensible space requirements, and fire-resistant landscaping per the County's Consolidated Fire Code.
Outdoor Burning
Heavy RestrictionsOpen burning in unincorporated San Diego County is heavily regulated by the San Diego County Air Pollution Control District (APCD) and the County Fire Authority. Agricultural burning requires APCD permits. Residential yard waste burning is generally prohibited. Recreational fires in approved containers may be allowed.
Fireworks
Heavy RestrictionsAll fireworks โ including 'safe and sane' consumer fireworks โ are illegal in unincorporated San Diego County. The County Board of Supervisors has banned the sale, possession, and use of all fireworks in unincorporated areas due to wildfire risk.
๐ Parking Rules
Parking rules catch more new residents off guard than almost any other ordinance. RV storage, overnight parking bans, and driveway regulations vary significantly.
Street Parking Limits
Some RestrictionsVehicles on public streets in unincorporated San Diego County cannot be parked for more than 72 consecutive hours. A vehicle must be moved at least 0.5 miles from its original location within each 72-hour period per County Code Section 72.122.
Abandoned Vehicles
Some RestrictionsSan Diego County enforces abandoned vehicle abatement on both public and private property. Vehicles parked on public streets beyond 72 hours or inoperable/dismantled vehicles on private property may be declared abandoned and removed. County Code Section 72.122 and California Vehicle Code govern enforcement.
Commercial Vehicle Restrictions
Some RestrictionsParking or standing of commercial vehicles with a manufacturer's gross vehicle weight rating (GVWR) of 10,000 pounds or more is prohibited on residential streets in unincorporated San Diego County per Section 72.126. Exceptions for active loading/unloading.
Overnight Parking
Few RestrictionsUnincorporated San Diego County does not have a blanket overnight parking ban. The 72-hour parking rule applies. Some specific communities or HOAs may impose additional overnight restrictions. County parks close at sunset and overnight parking is not allowed.
EV Charging
Few RestrictionsSan Diego County supports EV infrastructure with streamlined permitting for residential charger installations. California law (AB 1236) requires expedited permitting for EV charging stations. New construction must include EV-ready infrastructure per CALGreen Code.
Driveway Rules
Some RestrictionsDriveway construction and modifications in unincorporated San Diego County require permits from Planning & Development Services. The County Zoning Ordinance sets minimum driveway widths, surface requirements, and setback rules. Parking on unpaved front yard areas is generally prohibited.
RV & Boat Parking
Some RestrictionsSan Diego County Zoning Ordinance regulates RV and boat storage in unincorporated areas. Recreational vehicles and boats may be stored on residential property but generally not in required front setback areas. Rural and agricultural zones are more permissive, reflecting the large lot sizes in communities like Ramona and Valley Center.
๐งฑ Fence Regulations
Planning to put up a fence? Height limits, material restrictions, and permit requirements differ by city - and sometimes by which side of the property the fence sits on.
Height Limits
Some RestrictionsIn unincorporated San Diego County, open fences (wire, wrought iron, pipe, rails) may be up to 72 inches (6 ft). Fences in visibility areas (intersections, driveways) cannot exceed 3 feet. Solid fences in front yards limited to 42 inches. Rear and side yard fences up to 6 feet.
Neighbor Fence Rules
Few RestrictionsCalifornia Civil Code Sections 841โ841.4 (Good Neighbor Fence Act) govern shared boundary fences statewide, including unincorporated San Diego County. Adjoining landowners share equally in the cost of maintaining or replacing a boundary fence that benefits both properties.
Material Restrictions
Some RestrictionsSan Diego County restricts certain fencing materials in residential zones. Barbed wire and razor wire are generally limited to agricultural and industrial zones. In wildfire zones, fences within 5 feet of structures must be non-combustible or fire-retardant material.
Retaining Walls
Some RestrictionsRetaining walls over 3 feet in height (measured from top of footing to top of wall) require a building permit in unincorporated San Diego County. Walls supporting a surcharge (additional weight or structures above) also require permits regardless of height.
Pool Barriers
Heavy RestrictionsAll swimming pools in unincorporated San Diego County must have safety barriers at least 60 inches high with self-closing, self-latching gates per the California Building Code and Swimming Pool Safety Act. Gates must open away from the pool with latches at least 60 inches above ground.
Permit Requirements
Some RestrictionsIn unincorporated San Diego County, fences under 6 feet generally do not require a building permit per County Code Section 91.1.105.2. Fences over 6 feet, retaining wall-fence combinations, and fences in special areas (wildfire zones, scenic corridors) require permits.
๐ Animal Ordinances
Pet owners and aspiring chicken keepers should check local animal ordinances before signing a lease or closing on a home.
Animal Hoarding
Some RestrictionsAnimal hoarding in unincorporated San Diego County is addressed through animal keeping limits and nuisance abatement. San Diego County Animal Services at (619) 767-2675 investigates welfare complaints.
Wildlife Feeding
Some RestrictionsSan Diego County discourages feeding wildlife in unincorporated areas. Feeding coyotes is prohibited under County Code. Attracting nuisance wildlife through feeding can be cited under nuisance abatement provisions. California law also restricts feeding certain species.
Breed Restrictions
Few RestrictionsSan Diego County does not impose breed-specific legislation (BSL). No dog breeds are banned in unincorporated areas. California state law (Food and Agricultural Code ยง31683) preempts local breed-specific bans. All dogs are regulated by behavior, not breed.
Exotic Pets
Some RestrictionsSan Diego County prohibits exotic animals from running at large. Exotic pet ownership is regulated by both California Department of Fish and Wildlife (restricted species list) and County Code Chapter 6. Wild, exotic, or dangerous animals require special permits or are prohibited.
Dog Leash Laws
Some RestrictionsSan Diego County requires dogs to be on a hand-held leash no longer than 6 feet when away from the owner's property. At home, dogs must be controlled by voice, electronic containment, leash, fence, or other enclosure per County Code Chapter 6.
Beekeeping
Some RestrictionsBeekeeping in unincorporated San Diego County is regulated under County Code Section 62.901 et seq. Hives must be located at least 600 feet from any habitable dwelling unit (other than the beekeeper's). Additional rules apply to setbacks, water sources, and flyway barriers.
Chickens & Livestock
Some RestrictionsUnincorporated San Diego County allows chickens and livestock based on zoning and lot size per the Zoning Ordinance animal schedule (Section 3000 series). Agricultural zones allow various livestock. Residential zones have limits based on lot area. Roosters are subject to noise ordinance provisions.
๐ฟ Landscaping Rules
From grass height limits to tree removal permits, landscaping rules can surprise new homeowners, especially in drought-prone areas with water restrictions.
Composting
Few RestrictionsBackyard composting is permitted in unincorporated San Diego County. SB 1383 requires organic waste diversion statewide. Composting should avoid attracting wildlife in rural foothill areas.
Artificial Turf
Some RestrictionsArtificial turf is not eligible for the County's turf replacement rebate program. The County encourages replacing turf with living drought-tolerant plants and permeable surfaces. Artificial turf installation does not require a special county permit but must meet drainage requirements.
Weed Ordinances
Some RestrictionsSan Diego County requires property owners in unincorporated areas to maintain vegetation and prevent weed growth that creates fire hazards or nuisances. The County issues annual weed abatement notices. Vegetation must be cut to no more than 6 inches above ground in defensible space zones.
Tree Removal & Heritage Trees
Some RestrictionsTree removal in unincorporated San Diego County is regulated by the Resource Protection Ordinance and defensible space requirements. Significant native trees may require permits for removal. Trees in defensible space may need to be removed or pruned with branches 6 feet above ground. Stumps must be cut no higher than 8 inches.
Water Restrictions
Some RestrictionsSan Diego County enforces outdoor water use restrictions in unincorporated areas. Landscape irrigation is limited to before 10 AM and after 6 PM. Runoff, overspray, and watering impervious surfaces are prohibited. Turf that cannot be irrigated without waste is not allowed in new landscaping.
Native Plants
Some RestrictionsSan Diego County encourages native and drought-tolerant plant use in landscaping. Section 86.709 requires water-efficient landscaping for new development. The County prohibits certain high-water-use invasive species. Native San Diego plants can reduce water use by 70โ80% compared to turf.
Grass Height Limits
Some RestrictionsSan Diego County requires vegetation in defensible space zones to be maintained at no more than 6 inches above ground. General property maintenance standards apply throughout unincorporated areas. Overgrown lawns may be cited as a nuisance by Code Compliance.
Tree Trimming
Some RestrictionsTree trimming in unincorporated San Diego County is required for defensible space maintenance (branches pruned to 6 feet above ground), utility clearance, and road visibility. Protected native trees may require consultation with County PDS before major pruning.
Rainwater Harvesting
Few RestrictionsRainwater harvesting is legal and encouraged in San Diego County. California law (AB 1750) explicitly allows residential rainwater capture. No county permit is required for rain barrels. The County offers rebates for rain barrel installations through water conservation programs.
๐ผ Home Business
Working from home is common, but running a business from home often requires permits and must comply with zoning restrictions on customer traffic and signage.
Home Daycare
Some RestrictionsHome daycare in unincorporated San Diego County is regulated by California Community Care Licensing. Small family daycare (up to 8 children) is allowed by right in residential zones under state law. Large family daycare (9โ14 children) may require a use permit. All require state licensing.
Home Occupation Permits
Some RestrictionsUnincorporated San Diego County allows home occupations as accessory residential uses under Section 6156 of the County Zoning Ordinance and PDS-304 standards. No discretionary permit is required if the use meets all standards: conducted entirely within the dwelling or attached garage, no exterior evidence, no on-premise sale of goods (except a permitted Cottage Food Operation under Health and Safety Code Section 114365), and no more than one non-resident employee. Uses that exceed these standards require a Minor Use Permit.
Zoning Restrictions
Some RestrictionsHome occupations in unincorporated San Diego County must be conducted within enclosed structures, maintain residential character, and not create a public nuisance. No business license is required in unincorporated areas, but zoning compliance is mandatory. Storage limited to 1,000 cubic feet.
Signage Rules
Heavy RestrictionsHome occupations in unincorporated San Diego County are not permitted to display business signage. The operation must not be evident from the exterior of the residence. No signs, displays, or advertising visible from outside are allowed.
Cottage Food Operations
Few RestrictionsCottage food operations are permitted in unincorporated San Diego County under California's Cottage Food Law (AB 1616 / Health & Safety Code ยง113758). Class A permits allow direct-to-consumer sales from home. Class B permits allow indirect sales (farmers markets, stores). Annual revenue cap of $75,000.
Customer Traffic Restrictions
Some RestrictionsHome occupations in unincorporated San Diego County must not generate traffic or parking demand inconsistent with residential use. The business must not be detrimental to the neighborhood. No specific visitor caps are codified, but excessive traffic may trigger enforcement.
๐ Swimming Pools & Spas
Pool ownership comes with safety fencing requirements, permit obligations, and drainage rules that vary by jurisdiction.
Safety Rules
Heavy RestrictionsAll swimming pools in unincorporated San Diego County must comply with the California Swimming Pool Safety Act and County Code Section 92.1.3109.3. At least one approved safety feature must be inspected before the pool is filled. Pools include in-ground, above-ground, and wading pools over 18 inches deep.
Hot Tub Rules
Some RestrictionsHot tubs and spas in unincorporated San Diego County must meet the California Swimming Pool Safety Act requirements. Self-contained hot tubs with ASTM-compliant locking safety covers are exempt from barrier requirements. Permanently installed spas require building permits.
Above-Ground Pools
Some RestrictionsAbove-ground pools containing water over 18 inches deep are regulated in unincorporated San Diego County. They must meet safety barrier requirements. Pool walls may satisfy barrier requirements if they meet height and anti-climbing standards. Permits may be required.
Pool Permits
Heavy RestrictionsEvery in-ground swimming pool in unincorporated San Diego County requires a building permit from County PDS. The permit process includes plumbing, electrical, fencing/barrier, and pool inspections. Above-ground pools over 18 inches deep also need permits.
Fencing Requirements
Heavy RestrictionsPool fencing in unincorporated San Diego County must be at least 60 inches high, with self-closing/self-latching gates opening away from the pool. Maximum ground clearance of 2 inches. No gaps allowing passage of a 4-inch sphere. Identical to pool-barriers entry.
๐๏ธ Accessory Structures
Thinking about an ADU, shed, or garage conversion? Local rules on accessory structures have changed rapidly in recent years, especially in California.
Shed Rules
Some RestrictionsSmall accessory structures (sheds) under 120 sq ft and one story do not require a building permit in unincorporated San Diego County per County Code Section 91.1.105.2. Larger structures need permits. All sheds must comply with zoning setback requirements.
ADU Rules
Some RestrictionsSan Diego County allows Accessory Dwelling Units (ADUs) on residential properties in unincorporated areas per state law and the County ADU Handbook. Detached ADUs up to 1,200 sq ft. Must maintain 4-foot side/rear setbacks. ADUs up to 800 sq ft are exempt from lot coverage limits.
Garage Conversions
Some RestrictionsGarage conversions to ADUs or habitable space in unincorporated San Diego County require building permits. California law allows garage conversions to ADUs without replacement parking. The conversion must meet building code requirements for habitable space including egress, ventilation, and plumbing.
Carport Rules
Some RestrictionsCarports in unincorporated San Diego County are considered accessory structures and must comply with zoning setback requirements. Carports over 120 sq ft require building permits. In wildfire zones, carport construction must meet fire-resistant material standards.
Tiny Homes
Some RestrictionsTiny homes in unincorporated San Diego County are regulated differently based on type. Tiny homes on foundations are treated as ADUs (up to 1,200 sq ft detached). Tiny homes on wheels are treated as RVs and cannot serve as permanent dwellings. Building permits required for foundation-based tiny homes.
๐ Environmental Rules
Stormwater Management
Heavy RestrictionsSan Diego County adopted the Watershed Protection, Stormwater Management, and Discharge Control Ordinance (WPO) in 2016. The ordinance prohibits pollutant discharge to storm drains and requires stormwater management for development projects. All properties must prevent illicit discharges.
Flood Zones
Heavy RestrictionsSan Diego County regulates development in flood zones through the Flood Damage Prevention Ordinance. Properties in FEMA-designated Special Flood Hazard Areas must comply with floodplain management requirements including elevation, flood-proofing, and restricted uses.
Erosion Control
Heavy RestrictionsSan Diego County's Grading Ordinance requires erosion and sediment control measures for all grading and construction activities. Physical or vegetation BMPs must be deployed immediately upon completion of grading. The area cleared and left exposed at one time is limited.
Coastal Development
Heavy RestrictionsDevelopment in the unincorporated coastal zone of San Diego County requires a Coastal Development Permit per the California Coastal Act. The County's Local Coastal Program governs land use in coastal areas. The Coastal Commission has appellate authority over most coastal permits.
Grading & Drainage
Heavy RestrictionsSan Diego County's Grading Ordinance (Division 7) requires permits for significant grading and mandates proper drainage design. Grading permits needed for 200+ cubic yards or 8+ foot cuts/fills. Drainage must be directed away from structures and neighboring properties.
๐ฑ Cannabis Regulations
Dispensary Zoning
Heavy RestrictionsCurrently only five existing cannabis facilities are authorized in unincorporated San Diego County. No new cannabis businesses are permitted until the Socially Equitable Cannabis Program is approved, anticipated for summer 2026. New facilities must be 600+ feet from schools, daycare, and youth centers.
Home Cultivation
Some RestrictionsCalifornia Proposition 64 allows adults 21+ to grow up to 6 cannabis plants per residence for personal use. Plants must be in a locked space not visible from public areas. San Diego County follows state law and does not impose additional restrictions on personal cultivation.
โ๏ธ Solar Energy
HOA Restrictions
Few RestrictionsCalifornia's Solar Rights Act (Civil Code ยง714) protects homeowners in unincorporated San Diego County from HOA restrictions that effectively prohibit solar installations. HOAs may impose reasonable restrictions but cannot significantly increase cost or reduce efficiency.
Panel Permits
Few RestrictionsSolar PV installation in unincorporated San Diego County requires a building permit from County PDS. California AB 1236 mandates streamlined permitting. The County waives plan check and permit fees for residential solar PV. Online permitting available through Citizen Access portal.
๐ชง Sign Regulations
Holiday Displays
Few RestrictionsHoliday displays on private property in unincorporated San Diego County are generally permitted as temporary decorations. The County does not have specific restrictions on residential holiday displays. Fire safety rules apply to outdoor decorations, especially in wildfire zones.
Political Signs
Few RestrictionsPolitical signs in unincorporated San Diego County are protected by the First Amendment and California Elections Code Section 18310. Property owners may display political signs on their property. Some size and placement restrictions apply under the County sign ordinance.
Garage Sale Signs
Few RestrictionsTemporary garage sale signs in unincorporated San Diego County are subject to the County's general sign regulations. Signs cannot be placed in public rights-of-way or on utility poles. On-property signs for active garage sales are generally permitted.
๐๏ธ Property Maintenance
Garage Sale Rules
Few RestrictionsSan Diego County does not have specific property maintenance rules for garage sales beyond general standards. Merchandise should be displayed neatly. Property should be returned to normal condition after the sale. Signage must comply with County sign regulations.
Vacant Lot Maintenance
Some RestrictionsOwners of vacant lots in unincorporated San Diego County must maintain their property free of fire hazards, weeds, debris, and nuisance conditions. Defensible space and weed abatement requirements apply. The County may perform forced abatement and charge costs to the property tax bill.
Snow & Sidewalk Clearing
Few RestrictionsSnow is extremely rare in most of unincorporated San Diego County. There is no snow removal ordinance. Property owners in mountain communities (Julian, Mt. Laguna) should maintain safe access during occasional snowfall. General property maintenance standards apply.
Trash Bin Storage
Few RestrictionsSan Diego County does not have a specific trash bin storage ordinance for unincorporated areas. General property maintenance standards apply. Bins should be stored neatly and not create a nuisance. HOAs may have additional requirements.
Property Blight
Some RestrictionsSan Diego County Code Compliance Division enforces property maintenance standards in unincorporated areas. Overgrown vegetation, accumulated debris, inoperable vehicles, and deteriorated structures may be cited as nuisances. The County can order abatement at the owner's expense.
๐ก Outdoor Lighting
Light Trespass
Some RestrictionsSan Diego County's Light Pollution Code and general nuisance provisions address light trespass โ unwanted light spilling onto neighboring properties. Outdoor lighting must be directed downward and shielded. Excessive light affecting neighbors may be cited as a nuisance.
Dark Sky Rules
Some RestrictionsSan Diego County's Light Pollution Code (LPC) minimizes light pollution to protect the Palomar and Mount Laguna observatories and the night environment. Three lighting zones with different restrictions. Fully shielded fixtures required. Limits on illumination levels.
๐ Rental Property Rules
Just Cause Eviction
Some RestrictionsTenants in unincorporated San Diego County are protected by California's Tenant Protection Act (AB 1482) which requires just cause for eviction after 12 months of occupancy. At-fault and no-fault just cause provisions apply. Relocation assistance required for no-fault evictions.
Rent Control
Some RestrictionsCalifornia's Tenant Protection Act (AB 1482) limits annual rent increases to 5% plus local CPI or 10%, whichever is less, for covered properties in unincorporated San Diego County. The County itself has not enacted additional rent control beyond state law.
Rental Registration
Few RestrictionsUnincorporated San Diego County does not currently require a rental property registration or licensing program. Landlords must comply with California state law requirements including habitability standards, security deposit rules, and AB 1482 disclosures.
๐๏ธ Trash & Recycling
Bin Placement Rules
Few RestrictionsTrash bins in unincorporated San Diego County must be placed at the curb on collection day and retrieved promptly. Bins should not be placed out more than 24 hours before pickup. Between collection days, bins should be stored out of public view where possible.
Pickup Rules & Schedules
Some RestrictionsTrash collection in unincorporated San Diego County is provided by franchised haulers. Residents must subscribe to collection service. SB 1383 requires organic waste collection. Collection schedules and rules vary by hauler and community. Bins must be placed at curb on collection day.
Bulk Item Disposal
Some RestrictionsBulk waste disposal in unincorporated San Diego County is available through hauler special pickup, County transfer stations, and designated disposal facilities. Illegal dumping is prohibited and carries fines. Large items require separate arrangements from regular trash service.
Recycling Requirements
Some RestrictionsCalifornia's mandatory recycling laws (AB 341, SB 1383) apply in unincorporated San Diego County. Residents must separate recyclables and organic waste. Businesses generating 4+ cubic yards of waste weekly must recycle. Organic waste diversion required since January 2022.
๐ Drone Rules
Recreational Drones
Some RestrictionsRecreational drone use in unincorporated San Diego County is governed by FAA regulations. Drones must be registered, flown below 400 feet, within visual line of sight, and away from airports. County parks require permits and insurance for drone operations on County property.
Commercial Drones
Some RestrictionsCommercial drone operators in unincorporated San Diego County must hold an FAA Part 107 Remote Pilot Certificate. County property requires permits. Operators must carry insurance and indemnify the County. LAANC authorization required near airports.
๐ Food Trucks & Mobile Vendors
Vending Zones
Some RestrictionsFood truck vending locations in unincorporated San Diego County are subject to zoning restrictions and property owner consent. Mobile food vehicles may operate on private property with owner permission. Public right-of-way vending may require additional approvals.
Food Truck Permits
Some RestrictionsMobile food facilities in unincorporated San Diego County must obtain a Public Health Permit from the County Department of Environmental Health and Quality (DEHQ) under County Code Title 6, Division 1. All facilities must operate from an approved commissary.
๐ช Soliciting & Door-to-Door
Solicitor Permits
Few RestrictionsUnincorporated San Diego County does not require a specific solicitor or peddler permit from the County. Business activities may require other licenses. First Amendment protections apply to door-to-door canvassing. Commercial solicitation is subject to general fraud and trespass laws.
No-Knock Registry
Few RestrictionsSan Diego County respects No Soliciting signs under general trespass law. Solicitors who ignore posted signs or refuse to leave may be cited for trespassing. No county-specific no-knock registry exists. California Penal Code Section 602 governs trespass.
๐ Curfew Laws
Park Curfew
Some RestrictionsSan Diego County parks are closed from sunset to sunrise unless otherwise posted. Overnight use requires special authorization. The County Department of Parks and Recreation enforces park hours. Park rangers and the Sheriff's Department patrol parks.
Juvenile Curfew
Few RestrictionsUnincorporated San Diego County does not have a countywide juvenile curfew ordinance. Individual communities may have local provisions. California does not have a statewide juvenile curfew. Some incorporated cities within the county have their own curfew ordinances.
๐ Building Setbacks & Zoning
Setback Rules
Some RestrictionsBuilding setbacks in unincorporated San Diego County are determined by the Zoning Ordinance based on zoning designation. Front, side, and rear setbacks vary by zone. Residential zones typically require 25-60 ft front, 10-35 ft side, and 25-60 ft rear setbacks depending on lot size and zone.
Structure Height Limits
Some RestrictionsBuilding height limits in unincorporated San Diego County are set by the Zoning Ordinance based on zone designation. Most residential zones allow structures up to 35 feet. Some zones permit up to 45 feet. Height is measured from finished grade to the highest point of the roof.
Lot Coverage Limits
Some RestrictionsLot coverage limits in unincorporated San Diego County are set by the Zoning Ordinance. Coverage typically ranges from 25% to 60% depending on zone. ADUs up to 800 sq ft are exempt from lot coverage calculations per state law.
๐ณ Tree Protection
Heritage & Protected Trees
Some RestrictionsSan Diego County does not have a specific heritage tree ordinance for unincorporated areas. However, exceptionally old or large native trees receive protection under the Resource Protection Ordinance. Significant native vegetation is evaluated during the development review process.
Tree Replacement Requirements
Some RestrictionsWhen protected native trees are removed in unincorporated San Diego County, the Resource Protection Ordinance may require replacement planting at specified mitigation ratios. New single-family projects must include at least 2 trees per dwelling unit.
Tree Removal Permits
Some RestrictionsSan Diego County's Resource Protection Ordinance (RPO) protects significant native vegetation in unincorporated areas. Removal of protected trees (including native oaks) may require permits and mitigation. Exemptions exist for defensible space and agricultural clearing.
๐ท๏ธ Garage & Yard Sales
Frequency Limits
Few RestrictionsSan Diego County does not impose specific garage sale frequency limits for unincorporated areas. California CDTFA treats sellers holding more than two sales in 12 months as potentially requiring a seller's permit. Regular sales may suggest a home business subject to zoning rules.
Garage Sale Permits
Few RestrictionsUnincorporated San Diego County does not require a specific permit for residential garage sales. California state law treats occasional sellers (no more than two sales in 12 months) as exempt from seller's permit requirements. Sales tax may apply to non-exempt items.
Time Restrictions
Few RestrictionsSan Diego County does not specify mandatory garage sale hours for unincorporated areas. General noise ordinance provisions apply. Garage sales should operate during reasonable daytime hours to comply with noise limits and avoid disturbing neighbors.
๐ Code Violation Reporting
How to Report
Some RestrictionsSan Diego County's Code Compliance Division handles complaints for unincorporated areas. Reports can be filed online through Accela Citizen Access, by phone, or by email. The division investigates zoning, building, grading, and property maintenance violations.
Response Times
Some RestrictionsSan Diego County Code Compliance prioritizes complaints by severity. Safety hazards and environmental risks receive expedited response. Routine complaints are generally investigated within 2-4 weeks. The county prefers achieving voluntary compliance before taking enforcement action.
Common Violations
Some RestrictionsCommon violations in unincorporated San Diego County include unpermitted construction, illegal grading, overgrown vegetation, dilapidated buildings and fences, unpermitted home businesses, illegal signs, and violations of brush management requirements in fire-prone areas.
๐ Invasive Plant Rules
Bamboo Restrictions
Few RestrictionsSan Diego County does not have a specific bamboo ban or containment ordinance. Running bamboo that spreads to neighboring properties may create civil liability under California nuisance law (Civil Code ยงยง3479-3481). Clumping bamboo is unrestricted and commonly used in San Diego landscaping.
Prohibited Species
Some RestrictionsCalifornia's noxious weed list (Food & Ag Code ยง5004) applies in San Diego County. The San Diego County Agricultural Commissioner enforces state plant quarantines and monitors invasive pests. Arundo donax (giant reed), pampas grass, and ice plant are significant invasives in the region.
Front Yard Gardens
Few RestrictionsFront yard vegetable gardens are allowed in unincorporated San Diego County. California AB 2561 (2022) prohibits local governments from banning residential food gardens. The county's drought-tolerant landscaping programs encourage replacing lawns with productive, water-efficient gardens.
๐ท Privacy & Surveillance
Recording & Consent Laws
Heavy RestrictionsCalifornia is a two-party (all-party) consent state under Penal Code ยง632. Recording confidential conversations without all parties' consent is a crime. This applies countywide in San Diego County. Public conversations where there is no privacy expectation are not protected.
Security Camera Rules
Some RestrictionsSecurity cameras on private property are legal in San Diego County. California's two-party consent law (Penal Code ยง632) applies to audio recording. Video-only surveillance of your own property is legal. Cameras must not point into areas where others have a reasonable expectation of privacy.
Privacy Screening
Some RestrictionsIn unincorporated San Diego County, fences and freestanding walls up to 6 feet do not require a building permit if they comply with zoning setback requirements. Front yard fences are subject to lower height limits. Fences over 6 feet require permits.
๐ Permit Requirements
Shed & Outbuilding Permits
Some RestrictionsIn unincorporated San Diego County, one-story detached sheds under 120 square feet are exempt from building permits if they maintain at least 6 feet clearance from other buildings. Larger sheds require permits. All sheds must comply with zoning setbacks and lot coverage.
Fence Permits
Few RestrictionsFences and freestanding masonry walls under 6 feet that comply with the County Zoning Ordinance do not require building permits in unincorporated San Diego County. Fences over 6 feet and retaining walls over 4 feet require permits.
Deck & Patio Permits
Some RestrictionsDecks not more than 30 inches above grade are exempt from building permits in San Diego County. Elevated decks, covered patios, and attached patio covers require permits. At-grade patios generally do not require permits unless they affect drainage.
Renovation Permits
Some RestrictionsMost renovation work in unincorporated San Diego County requires building permits. Permits are needed for structural, electrical, plumbing, mechanical, and roofing work. Cosmetic work does not require permits. Apply through Planning and Development Services.
Overall: What to Expect in San Diego County
San Diego County has 122 ordinances on file across 29 categories. Of these, 31 are rated permissive, 71 moderate, and 20 strict. This gives you a general sense of how tightly regulated daily life is in San Diego County compared to other cities.
Rules can change, and enforcement varies. Always verify specific requirements with the county directly before making major decisions like building a fence, listing on Airbnb, or starting a home business.