Thornton, CA

CalFire's Fire Hazard Severity Zone (FHSZ) maps designate portions of eastern San Joaquin County, Lodi foothills, Clements, Linden, and Farmington areas, as Moderate or High LRA (Local…

Parcels in San Joaquin County within State Responsibility Areas (SRA) or mapped Fire Hazard Severity Zones must maintain 100 feet of defensible space per California PRC §4291. The…

All fireworks, including safe-and-sane types, are banned in unincorporated San Joaquin County except licensed public displays.

Overnight street parking in unincorporated San Joaquin County is generally permitted except on posted roadways, but California Vehicle Code §22651(k) allows any parked vehicle that…

Vehicles left on public streets in San Joaquin County for more than 72 consecutive hours may be tagged and towed under CA Vehicle Code §22651(k). On private property, vehicles must be…

The county board designates specific loading zones on named unincorporated roads; parking there is limited to active loading or unloading during the posted hours.

California requires EV-ready parking in new construction under CALGreen (Title 24 Part 11), which San Joaquin County and its cities enforce: 10% EV-capable spaces in single-family…

County code bans parking or standing any commercial vehicle rated 10,000+ pounds GVWR on residential streets in the unincorporated area, with exceptions for active deliveries.

Hotel and short-term rental operators in unincorporated San Joaquin County must register with the Tax Administrator within 30 days and post a certificate.

Short-term rental occupancy in unincorporated San Joaquin County is limited through the Temporary Use Permit and lodging framework at typically 2 guests per bedroom plus 2 additional…

Unincorporated San Joaquin County charges an 8% transient occupancy tax on short-term rentals and hotels, collected by the operator and remitted to the county.

Non-commercial amplified sound may not be heard beyond 150 feet in residential areas or 500 feet in rural areas, or near hospitals, schools and churches.

Amplified sound in county parks and campgrounds needs the Park Administrator's written consent and can't exceed 90 decibels under the park noise ordinance.

San Joaquin County unincorporated areas limit leaf blower operation to construction-hour windows under Development Title §9-1015. California AB 1346 bans the sale of new gas-powered…

San Joaquin County Code § 11-1224 makes it firm Airport policy that aircraft and helicopter operations generate the absolute minimum perceived noise consistent with air safety, and it…

San Joaquin County Code § 4-9020 makes it unlawful to keep, or to permit to remain on any premises in the county, a dog that continuously and incessantly barks to the disturbance of…

San Joaquin County Code § 2-8011(m) sets quiet hours of 10:00 p.m. to 6:00 a.m. daily in county park areas designated for overnight camping. During those hours no one may behave in a…

San Joaquin County operates an annual weed abatement program under Government Code §§39560–39588. Property owners receive notices in spring; unabated parcels are cleared by county…

California Government Code §53087.7 and the AB 1572 non-functional turf ban (2024) encourage native and drought-tolerant landscaping in San Joaquin County, and Civil Code §4735…

Cutting, removing, or destroying trees, shrubs, or other plants growing in a county highway right-of-way without a Board of Supervisors permit is a misdemeanor.

San Joaquin County bans outdoor irrigation between 11 a.m. and 6 p.m. for anyone served by a County Water District, with drip and mist systems exempted.

California actively encourages rainwater harvesting. AB 1750 (Rainwater Capture Act of 2012) allows residential rain barrel and cistern capture without a water right. In San Joaquin…

Artificial turf is expressly protected by California Civil Code §4735, no HOA in San Joaquin County can prohibit it, and is allowed as a water-efficient alternative under state water…

Swimming pools, spas, and permanent hot tubs in unincorporated San Joaquin County require a building permit from the Community Development Building Division. Plan review covers…

All new residential pools and spas in San Joaquin County must meet the California Swimming Pool Safety Act (Health & Safety Code §115920-115929), which requires a 60-inch barrier plus…

Detached storage sheds, playhouses and similar accessory structures under 120 square feet and 12 feet tall don't need a building permit in the unincorporated county.

San Joaquin County has no breed ban; instead it lets the Animal Services Officer declare any dog 'dangerous' after a bite or attack and order it confined or muzzled.

In San Joaquin County's unincorporated Residential and Rural Residential zones, dogs must be leashed in public and either fenced, kenneled, or leashed on the owner's own property.

California state law preempts most local restrictions on home daycare. Under Health & Safety Code §§1597.30-1597.62, small family childcare homes (up to 8 children) and large family…

Retaining walls up to 4 feet high are exempt from a building permit countywide, unless they hold back a surcharge or hazardous liquids.

San Joaquin County does not require a building permit to build a fence up to 7 feet high anywhere in the unincorporated area. Taller fences, and any fence built as part of a pool…

Proposition 64 allows adults 21+ to grow up to 6 plants per residence for personal use, statewide. In unincorporated San Joaquin County, cultivation must be indoors or within a fully…

San Joaquin County allows licensed commercial cannabis businesses only with an approved Use Permit or in a Cannabis Business Park, and never on residentially zoned property.

San Joaquin County requires licensed cannabis businesses to sit at least 600 feet from any school, daycare, or youth center, measured property line to property line.

The Board of Supervisors sets a park-use permit and fee schedule, and the Park Administrator can deny a permit for rule violations, past noncompliance, or public-safety concerns before…

The Board of Supervisors can temporarily close unincorporated county streets for parades, celebrations, and special events by resolution, when needed for public safety.

San Joaquin County offers expedited, streamlined permitting for small residential rooftop solar systems up to 10 kW, with a published checklist and typically a single inspection.

California's Solar Rights Act (Civil Code §714) overrides HOA restrictions on residential solar panels in all San Joaquin County communities, including Mountain House, Brookside…

San Joaquin County processes residential rooftop solar permits under the California Solar Rights Act and AB 2188 expedited-permit mandate. Online SolarAPP+ or next-business-day…

San Joaquin County and its cities require trash, recycling, and organics bins to be stored out of public view between collection days, typically behind a fence, in a garage, or on the…

Curbside recycling and SB 1383 organics diversion are mandatory in unincorporated San Joaquin County for all single-family, multifamily, and commercial generators. Blue cart accepts…

San Joaquin County requires every single-family household to subscribe to organic waste collection and sort food and yard waste into separate bins.

Illegal dumping in unincorporated San Joaquin County is an infraction, with fines escalating up to $500 per repeat violation under County Code §§5-10504–5-10508.

Unincorporated San Joaquin County contracts residential solid waste and recycling service through franchise haulers: primarily Waste Management (north and east county) and Republic…

San Joaquin County automatically enrolls unincorporated homes zoned R-R through R-H in mandatory residential solid waste collection, billing owners whether or not they request service.

All covered rentals in San Joaquin County, Stockton, Lodi, Manteca, Tracy, and unincorporated areas, are subject to the statewide just-cause eviction rules in AB 1482 (Civil Code…

San Joaquin County adopts the State Housing Law and defines substandard housing conditions, applying to all dwellings including rentals across the unincorporated area.

San Joaquin County does not operate a county-level rental registration program in unincorporated areas, but Stockton requires landlords to participate in the Rental Housing Inspection…

San Joaquin County does not impose county-level rent control in unincorporated areas, but the statewide Tenant Protection Act of 2019 (AB 1482) caps annual rent increases at 5% plus…

Residents of unincorporated San Joaquin County can post a 'No Soliciting' sign at the entrance to the property, which permitted solicitors must honor under county ordinance. There is…

Commercial door-to-door solicitors in unincorporated San Joaquin County must register with the Sheriff's Office and obtain a solicitor identification card, subject to a Live Scan…

Developers and contractors must submit a Storm Water Pollution Prevention Plan before getting a building permit or final map approval in unincorporated San Joaquin County.

County ordinance bars discharging pollutants into the storm drainage system and requires compliance with the County's federal Clean Water Act NPDES permit.

San Joaquin County participates in FEMA's National Flood Insurance Program and maintains a CRS Class 7 rating, providing 15% flood insurance discounts in high-risk areas. San Joaquin…

San Joaquin County Code § 8-1008, which amends California Building Code § 110.5, puts the duty to call for inspection on the permit holder, requires that person to give the inspector…

San Joaquin County Code § 8-1015 adopts the 2025 California Plumbing Code, which itself incorporates the 2024 Uniform Plumbing Code, as the Plumbing Code of the County of San Joaquin…

San Joaquin County Code § 8-1016 adopts the 2025 California Green Building Standards Code, in book form as published by the California Building Standards Commission, as the Green…

San Joaquin County Code § 8-1013 adopts the 2025 California Electrical Code, which incorporates the 2023 National Electrical Code, as the Electrical Code of the County of San Joaquin…

Unincorporated San Joaquin County hotels and short-term rentals must collect an 8% transient occupancy tax from guests staying 30 days or less.

County parks ban flying drones and model aircraft except in areas the Park Administrator designates and posts, and only under written permission with its own attached rules.

Parking a cart or vehicle within any county highway in unincorporated San Joaquin County to sell goods or food is a public nuisance the Sheriff can remove on the spot.

Selling food from a truck or vehicle in unincorporated San Joaquin County requires a peddler license, and the vehicle must keep moving between stops under a strict time-and-distance…

Food trucks in unincorporated San Joaquin County may operate on private commercial/industrial property with owner consent but are restricted near schools (500 ft buffer per CA Vehicle…

Selling vape products or e-cigarettes in unincorporated San Joaquin County requires a tobacco retail license, and new stores must sit 600 feet from schools.

Operating a massage or bodywork establishment in the unincorporated county requires a Community Development Department permit, and unlicensed operation is a misdemeanor.

San Joaquin County Code § 7-1152 makes it unlawful to engage in, conduct, or operate the business of junk dealer, junk peddler, or itinerate junk peddler in the county without first…

San Joaquin County Code § 7-1414 makes it unlawful to sell, offer for sale, or possess with the intent to sell any flavored tobacco product in the unincorporated county. A product is…

San Joaquin County Ordinance Code § 6-9002 says a commercial agricultural operation run in a manner consistent with proper and accepted local farming customs cannot be or become a…

County parks ban drinking liquor over 24% alcohol without a Park Administrator permit, and Stillman L. Magee Park bans possessing any alcohol in its day-use area.

San Joaquin County's Park Administrator can declare any county park smoke-free, post "no smoking" signs at the entrance, and prohibit tobacco products inside that park.

Skateboards, roller skates, and scooters are banned in county parks unless the Park Administrator gives prior approval, under the county's park rules ordinance.

Recycled water is carved out of San Joaquin County's water use rules. Section 5-3400(e) defines it, § 5-3402(g) exempts it from the ban on ornamental fountains, and every drought stage…

San Joaquin County Code § 5-3402(b) makes it unlawful to leave a leak, break, or malfunction in your own plumbing or distribution system unrepaired past the time it reasonably should…

Camping on any county road or county-controlled property is banned countywide, with violators facing misdemeanor charges and public nuisance abatement.

The county's enforcement agency administers, inspects and enforces housing and nuisance abatement rules, with the Fire Warden handling fire-safety items and appeals staying enforcement.

San Joaquin County Code § 6-3002 makes it unlawful for anyone under 18 to remain in or upon a public place in the unincorporated area during curfew hours, which § 6-3001 defines as…

The Park Administrator sets and posts each county park's operating hours, and entering a park outside those posted hours is unlawful under the park ordinance.

San Joaquin County caps stationary-source noise at a receiving property at 50 dB Leq during the day and 45 dB Leq at night, with maximum levels of 70 and 65 dB, under Development Title…

San Joaquin County has no dedicated data center ordinance. In unincorporated areas a data center is treated as an industrial use, sited in the I-L or I-G industrial zones under the…

San Joaquin County Development Title §9-1030 (Nuisance) and Health & Safety Code §17920.3 (Substandard Building) authorize code enforcement action against blighted residential and…

San Joaquin County (Central Valley, elevation ~20 ft) experiences snow only rarely. There is no sidewalk snow-removal ordinance because measurable snow is essentially absent: the last…

County road encroachments that block public use, consist of refuse, or go unremoved after notice can be pulled out immediately by the Director of Public Works.

Digging, trenching, or opening any county street, highway, road, or public place requires a Director of Public Works permit, plus a bond guaranteeing restoration.

Political signs on private property in unincorporated San Joaquin County are protected as core political speech under the First Amendment and Reed v. Town of Gilbert (2015)…

Commercial still or motion photography on San Joaquin County's Airport requires advance permission from the Airport Director and county permits before shooting.