Moving to Castro Valley, CA?

Castro Valley is unincorporated and operates under Alameda County Code Chapter 6.60 (Noise). §6.60.050 makes it a violation to operate any sound-producing device at any hour if the sound is 'plainly audible at a distance of 50 feet,' with stricter weekday/weekend hour windows for tools and vehicle work.

Alameda County Code §6.60.050 limits use of electric or gas leaf blowers, sweepers, vacuums, mowers, trimmers, edgers and hedgers in residential areas to 7 a.m.-7 p.m. weekdays and 8 a.m.-7 p.m. weekends if plainly audible 50 feet from the device.

Alameda County Code §5.08.060 makes it unlawful for any person owning, keeping, or having custody of a dog or other animal to knowingly permit or suffer that animal, by barking or other noise, to disturb any other person's peace and quiet. East Bay SPCA / Alameda County Animal Control responds.

Alameda County §6.60.050 makes amplified sound from any radio, stereo, instrument or device a violation at any time of day if plainly audible 50 feet from the source. There is no daytime exemption for parties.

Alameda County Code §6.60.080 exempts construction activity from Chapter 6.60 only if it occurs between 7 a.m.-7 p.m. on weekdays and 8 a.m.-5 p.m. on Saturday/Sunday. Outside those windows, the 'plainly audible at 50 feet' standard in §6.60.050 applies and the work becomes a citable nuisance.

Alameda County Code §6.60.050 prohibits repairing, rebuilding, modifying or testing vehicles in residential areas between 7 p.m. and 7 a.m. if it produces sound plainly audible at 50 feet. State Vehicle Code adds modified-exhaust and engine-brake limits.

Alameda County Code Chapter 3.12 imposes a 10% Transient Occupancy Tax on any rental of 30 days or less in unincorporated areas, including Castro Valley. Hosts must register, collect tax from each guest, and remit quarterly.

Castro Valley STRs have no dedicated occupancy cap, but the unit must comply with California Building Code occupancy standards and Alameda County zoning use limits for the underlying single-family or multi-family district.

Castro Valley STRs operate under Alameda County rules. There is no dedicated STR ordinance, but Chapter 6.64 (Rental Housing Registry) requires registration of rental units in the unincorporated area, and operators must obtain a Transient Occupancy Tax certificate before listing.

Alameda County requires hosts to display their TOT Registration Certificate at the property and include the registry number in advertising. There is no Castro-Valley-specific listing-disclosure ordinance.

Castro Valley's hillside neighborhoods fall in Cal Fire's Very High Fire Hazard Severity Zone. Alameda County Code Chapter 6.04 adopts the California Fire Code and Public Resources Code §4291 - 100 feet of defensible space around any structure is mandatory.

Open burning is prohibited in Castro Valley year-round absent a permit from ACFD, and recreational fires must comply with Bay Area Air Quality Management District 'Spare the Air' alerts that ban wood-burning Bay-Area-wide.

California Building Code (adopted by Alameda County) requires chimneys serving fireplaces and wood stoves to have an approved spark arrestor. BAAQMD Regulation 6 Rule 3 limits wood-burning during Spare the Air alerts.

California Health & Safety Code §§13113.7 and 13260 require working smoke alarms in every bedroom, outside each sleeping area, and on each floor of a Castro Valley dwelling, plus CO alarms in any home with fuel appliances or an attached garage.

All fireworks - including California 'Safe and Sane' fireworks - are banned in unincorporated Alameda County and Castro Valley year-round under the Alameda County Fire Code (Ch. 6.04) and Cal Fire regulations.

Alameda County NPO §6.65.030 limits where RVs, boats and trailers may be stored on residential property in Castro Valley: only on a paved driveway/parking area, never on lawn or unimproved surface.

Castro Valley does not maintain residential permit-parking districts. Free street parking is the norm except in downtown metered zones and Castro Valley BART station permit-required lots.

Heavy commercial vehicles - generally over 10,000 lbs GVW or 22 feet long - cannot be parked overnight on Castro Valley residential streets, and cannot be parked at all on residential properties except for temporary loading.

Castro Valley follows California Vehicle Code §22651 plus Alameda County parking rules. There is a 72-hour parking limit on any street; no overnight RV/oversize vehicle parking on most residential streets without a permit.

Alameda County NPO §6.65.030 prohibits parking or storing vehicles on lawns or unimproved surfaces of residential property. Vehicles must be on paved concrete, asphalt or masonry driveways or parking areas.

California's Good Neighbor Fence Act (Civil Code §841) presumes that adjoining property owners share the cost of a boundary fence equally. The County does not regulate cost-sharing but courts enforce the statute.

A building permit is required for any fence or wall over 6 feet in height (CRC §R105.2) or any retaining wall over 4 feet, plus any electrified or pool-barrier fence. Fences 6 feet and under do not need a building permit but must meet zoning setbacks.

Alameda County zoning does not dictate fence material in standard residential R-1 districts but Chapter 17.51 (Castro Valley) and design guidelines require materials compatible with the neighborhood; barbed wire and electrified fencing are prohibited in residential zones.

Alameda County Code §17.52.430 limits residential fences in Castro Valley to 4 feet in the required front yard, 6 feet in side and rear yards, and 2 feet within 30 feet of a street intersection (visibility triangle).

Alameda County Code §5.08.010 prohibits any dog from running at large in unincorporated Alameda County. Dogs must be on leash or under direct control of the owner when off the owner's premises.

Alameda County Code §5.16.010 requires every dog four months or older in unincorporated Alameda County (including Castro Valley) to be licensed annually. East Bay SPCA administers licensing for Castro Valley.

Castro Valley follows California Fish & Game Code §2118 - keeping wild or exotic animals (large reptiles, primates, big cats, ferrets, hedgehogs in CA, etc.) is prohibited without a state permit, plus Alameda County's animal-fanciers permit covers other non-standard pets.

Alameda County zoning treats chickens as livestock requiring an Animal Fancier's Permit in residential districts. Standard R-1 households can keep up to 1 fowl per 200 sq ft of available space, up to 50 birds total; roosters are restricted by §6.60 noise rules.

Alameda County's stormwater rules and §6.65 NPO require dog owners in Castro Valley to immediately pick up and properly dispose of pet waste on any public property or another person's private property.

Castro Valley is served by East Bay Municipal Utility District (EBMUD). EBMUD's Water Conservation Regulation 14 permanently bans irrigation runoff, hosing down hardscape, and using non-recirculating water features. Drought stages add stricter watering days.

Alameda County Public Works Tree Ordinance regulates street trees in the County right-of-way - residents may trim or remove only with a free permit from PWA. Private-property trees have no county tree-removal permit (only the Fairview view ordinance Ch. 6.66 applies).

Alameda County Code §6.65.030 makes overgrown vegetation a property nuisance. Lawn/weeds exceeding 6 inches in height, or lack of vegetation that allows erosion, must be corrected. Hillside parcels also face PRC §4291 defensible space.

Alameda County's Neighborhood Preservation Ordinance §6.65 requires every residential property to be kept in safe, sanitary condition - no accumulated debris, junk, inoperable vehicles, or unmaintained landscaping visible from the street.

Home occupations must not generate traffic, parking demand or signage greater than what's typical for a residence. Customer visits should be limited and by appointment only; commercial deliveries by large trucks are prohibited.

Home occupations in Castro Valley residential districts require a Home Occupation Permit under Alameda County zoning plus a county Business License from the Auditor-Controller. The use must remain incidental to the residence.

Castro Valley home businesses may not have any exterior signage in residential districts beyond a small (typically 1 sq ft) name/address plate per Alameda County Code §17.52.520. No illuminated, projecting or off-premises signs are allowed.

Public and semi-public pools in Castro Valley (HOAs, apartments) must meet Alameda County Department of Environmental Health permitting under CCR Title 22 Group 8 - daily chemical testing, anti-entrapment drain covers (VGB Act), and posted safety rules.

California Building Code §3109 and Health & Safety Code §115920 (Swimming Pool Safety Act) require every Castro Valley residential pool to be enclosed by a barrier at least 60 inches high with self-closing, self-latching gates and no openings allowing a 4-inch sphere to pass.

A building permit from Alameda County Building Department is required for any in-ground pool, above-ground pool over 24 inches deep, or spa over 18 inches deep. Setback and barrier requirements apply per CRC and Title 17 zoning.

Alameda County's ADU ordinance follows California state law (Gov. Code §65852.2) - one ADU and one JADU are ministerially permitted on any single-family lot in Castro Valley. Detached ADUs up to 1,200 sq ft, attached ADUs up to 50% of primary floor area.

California state law (Gov. Code §65852.2) lets Castro Valley homeowners convert an attached or detached garage into an ADU as a 'by-right' ministerial permit, with no replacement parking required if the garage is converted.

California Residential Code (adopted by Alameda County) exempts one-story detached accessory structures of 120 sq ft or less from building permits, but all sheds must still meet zoning setbacks under Title 17.

Castro Valley follows California SB 270 (Public Resources Code §42283) plus the Alameda County Reusable Bag Ordinance - retailers cannot give out single-use plastic bags, and must charge at least 10¢ for paper or reusable bags.

Castro Valley is in the Alameda Countywide Clean Water Program (ACCWP) NPDES permit area. Only rain goes in the storm drain - no washing pollutants, sediment, soaps, or yard waste into gutters.

Alameda County's Polystyrene Foam Disposable Food Service Ware Ordinance prohibits restaurants and food vendors in unincorporated areas from using expanded polystyrene (EPS) food containers.

California SB 1383 requires every Castro Valley resident and business to separate food scraps and yard waste from trash and put them in the green organics cart. Waste Management Alameda County provides curbside service.

Castro Valley has limited FEMA Special Flood Hazard Areas (SFHA) along San Lorenzo, Crow and Cull Creeks. Properties in Zone AE require flood insurance for federally backed mortgages and elevation above the Base Flood Elevation (BFE) for new construction.

Alameda County Code Chapter 6.108 regulates cannabis retail operators, delivery operations and edibles. Castro Valley has been designated as a permitted location for limited cannabis retail under the County's program.

Adults 21+ in Castro Valley may grow up to 6 cannabis plants indoors at a private residence per California Prop 64 (H&S Code §11362.1). Outdoor cultivation is restricted by Alameda County Code Chapter 6.106.

California Solar Rights Act (Civil Code §714) and SB 379 (2017) require Alameda County to expedite residential solar permits. Most rooftop systems use the Solar APP+ online over-the-counter permit, issued the same day for $200-$500.

Commercial signage in Castro Valley is regulated under Alameda County Code §17.52.510 and Castro Valley-specific Chapter 17.51 design standards. Billboards are banned countywide under §17.52.515.

Alameda County Code §17.52.520 limits residential signage to small unilluminated identification signs and one temporary sign of up to 1 sq ft for up to 90 days. Political and real-estate signs follow temporary-sign limits.

Alameda County's Neighborhood Preservation Ordinance §6.65.030 requires every property in Castro Valley to be kept free of accumulated trash, junk, debris, inoperable vehicles, and other public nuisance conditions.

Alameda County Code Chapter 6.72 bans smoking in all multi-unit housing (apartments, condos, townhomes) in unincorporated areas including Castro Valley as of July 1, 2022. Indoor units and common areas are smoke-free.

Alameda County requires graffiti on private property to be removed promptly by the owner. Code Enforcement may abate persistent graffiti at owner expense under §6.65 if not removed after notice.

Alameda County zoning requires outdoor lighting to be shielded and directed downward to minimize glare onto neighboring properties. Light trespass is treated as a Ch. 6.65 nuisance.

Alameda County Code Chapter 6.64 requires every rental housing unit in unincorporated areas (including Castro Valley) to be registered annually with the County, with rent and tenancy data disclosed.

Castro Valley tenants are covered by California's statewide AB 1482 rent cap (5% + CPI, max 10%) and just-cause eviction rules for buildings 15+ years old. Local rent control via the Alameda County Just Cause Ordinance also applies.

Waste Management Alameda County provides mandatory weekly trash, recycling and organics collection to Castro Valley residents. All single-family homes must subscribe; no opt-out.

Drone flight in Castro Valley is governed by FAA Part 107 (commercial) and Part 101/recreational rules. Alameda County does not prohibit recreational drones in unincorporated areas, but flights over EBRPD parks and county jails are restricted.

Mobile food vendors in Castro Valley need a Mobile Food Facility Permit from Alameda County Department of Environmental Health plus a County Business License. Operations on private property need landowner consent and zoning compatibility.

Alameda County does not require a peddler/solicitor permit specifically, but commercial door-to-door sellers must obtain a county business license under Ch. 3.04 and respect 'No Soliciting' signs.

Alameda County Code Chapter 6.48 imposes a youth curfew: minors under 18 may not be in any public place or on public premises in unincorporated areas (including Castro Valley) between 11 p.m. and 5 a.m. on Sunday-Thursday, midnight-5 a.m. on Friday and Saturday.

Alameda County R-1 zoning requires standard residential setbacks: 20-ft front yard, 5-ft side yards (minimum), 20-ft rear yard. Hillside lots and Chapter 17.51 Castro Valley zones may impose larger setbacks.

Standard Castro Valley parcels have no general private-property tree protection ordinance. Only street trees in the County right-of-way (PWA Tree Ordinance) and the Fairview view-ordinance Ch. 6.66 apply.

Casual residential garage sales do not require a permit in Castro Valley. They are treated as a temporary accessory use of the residence. Frequency and signage limits apply under Alameda County Code.

Castro Valley has many HOAs (Five Canyons, Palomares Hills, etc.). HOAs operate under the Davis-Stirling Common Interest Development Act (Civil Code §4000+). HOA rules layer on top of - and can be stricter than - Alameda County ordinances.

California Building Standards Code (adopted by Alameda County Ch. 15.08) requires seismic retrofit for substantial remodels. Soft-story multi-family buildings statewide must comply with newer seismic standards.

California SB 946 (Government Code §51036) and Alameda County's implementing rules let sidewalk vendors operate in Castro Valley with a Vendor Permit. The County cannot ban sidewalk vending outright.

Any commercial filming on Castro Valley public property or in the public right-of-way requires a film permit from the Alameda County Public Works Agency. Casual personal video does not require a permit.