Local Rules Near ONT Airport

Ontario restricts amplified music under OMC 5-29.07 and special-event rules. Outdoor amplified sound that disturbs neighbors can be cited anytime, with stricter nighttime enforcement from 10 PM to 7 AM.

Ontario applies exterior decibel standards set in zoning and noise rules. Residential limits are about 55 dBA daytime and 50 dBA nighttime at the property line, with higher limits in commercial and industrial zones.

Aircraft noise from Ontario International Airport (ONT) is regulated by the FAA, not the city. ONT runs an FAA Part 150 noise compatibility program; federal preemption bars local restrictions on flights.

Ontario regulates leaf blowers through its noise ordinance and daytime equipment hours. Gas blowers remain legal to operate, but California AB 1346 bars new gas SORE sales statewide since 2024, phasing them out.

Outdoor music is regulated under OMC Title 5 Chapter 29 and the special-event permit process. Venues and events with amplified sound need a city permit; residential outdoor music cannot disturb neighbors after 10 PM.

Ontario controls industrial and warehouse noise through zoning-based exterior sound limits and the nuisance ordinance. Noise crossing into residential zones faces daytime limits and stricter nighttime limits.

Ontario enforces nighttime quiet under OMC Title 5 Chapter 29. Loud or intrusive noise that disturbs the peace between 10 PM and 7 AM is stricter enforced, coordinated by Ontario Police and Code Enforcement.

Ontario limits construction noise under OMC 5-29.09. Allowed hours are 7 AM to 8 PM weekdays and 8 AM to 6 PM Saturday. Sunday and holiday work near residences is restricted absent a waiver.

Ontario treats persistent barking as a nuisance under OMC Title 6 and the noise ordinance. Animal Services investigates, warns owners, and can escalate to administrative citations for continued disturbance.

Ontario ties STR occupancy to bedroom count and California Building Code per-occupant floor area. A common cap is two guests per bedroom plus two additional, with events and parties typically prohibited.

Ontario STR operators should carry a dedicated short-term rental liability policy. Standard homeowner policies typically exclude STR activity and platform coverage should be treated as a supplement only.

Ontario distinguishes between hosted and non-hosted STRs and may cap annual rental nights for non-hosted whole-home rentals. Operators must track bookings and retain records for city review.

Ontario STR registration requires a Planning-issued permit, Finance TOT certificate, and business license. Annual renewal, a 24-hour contact, and safety inspection items are standard conditions.

STR guests must comply with Ontario Municipal Code Chapter 29 noise rules including 10 PM to 7 AM quiet hours. Operators are responsible for guest conduct and repeat noise violations can cost them the permit.

Ontario requires a Short-Term Rental Permit before any stay under 30 days. Applications are filed through the City Citizen Portal and require proof of primary residence plus a full set of property documents.

Ontario charges a Transient Occupancy Tax on short-term stays under 30 days. Operators must register for a TOT certificate, collect the tax, file returns, and pay an annual STR permit fee.

Ontario STR guests must park on-site in the driveway or garage before using the street. Overflow street parking must obey posted signs, street sweeping, and oversized-vehicle restrictions.

Ontario sits on the valley floor and is not mapped in a CAL FIRE Very High Fire Hazard Severity Zone. Chapter 7A ignition-resistant construction and PRC 4291 defensible space do not apply citywide.

Ontario backyard fires are limited to small wood fires in approved pits or gas appliances. Burning of leaves, trash, or debris is banned under SCAQMD Rule 444 and the adopted California Fire Code.

Ontario requires owners to keep lots free of dry weeds, brush, and rubbish under the municipal nuisance code and CA H and S 14875. Uncleared parcels are abated by city contractor at owner cost.

Ontario enforces California H and S 13113.7 requiring smoke alarms in every bedroom, outside sleeping areas, and on every floor. 10-year sealed-battery or hardwired units are required on replacement.

All fireworks, including Safe and Sane, are banned in Ontario year round under Ontario Municipal Code and California Health and Safety Code 12500. Fines start at 1,000 dollars per violation.

Ontario allows backyard fire pits under the California Fire Code as adopted. Wood pits must sit 25 feet from structures and be attended. SCAQMD no-burn days override local rules.

Open burning of yard waste, trash, or debris is banned in Ontario under the adopted California Fire Code and SCAQMD Rule 444. Only recreational fires in approved pits and BBQ cooking are allowed.

Ontario permits residential Level 2 EV chargers under an expedited electrical permit, and California Green Building Code Part 11 requires new single-family homes to be pre-wired for a 40-amp 240-volt EV circuit.

Ontario has no blanket overnight parking ban on residential streets, but vehicles cannot remain more than 72 hours under CVC 22651(k) and posted permit-district signage near ONT airport is enforced from 10 PM to 6 AM.

Ontario removes abandoned vehicles under California Vehicle Code 22523 and OMC Chapter 10, allowing tow after a 72-hour notice on the windshield, with enforcement by Ontario Police Abandoned Vehicle Abatement.

Ontario enforces a 72-hour street parking limit under California Vehicle Code 22651(k) and OMC Title 10, and posted street-sweeping days vary by neighborhood with citations typically 55 to 85 dollars.

Ontario limits RVs, trailers, and boats parked on public streets to 72 hours under CVC 22651(k), and private-property RV storage must generally occur in a side or rear yard screened from view under OMC zoning standards.

Ontario requires driveways to be paved with concrete, asphalt, or approved pavers and curb cuts over 20 feet wide need an encroachment permit from Public Works under OMC Title 6.

Ontario prohibits commercial vehicles over 10,000 pounds or 22 feet long from parking on residential streets overnight, and tractor-trailer staging is limited to zoned industrial yards under OMC Chapter 10.

Ontario pool barriers must meet CA Health and Safety Code 115920 (Pool Safety Act). A 60-inch enclosure, self-closing gate, and 2 of 7 drowning-prevention features are required on new or remodeled pools.

Ontario restricts fence materials by zone. Residential front-yard fences require finished materials like wrought iron, wood, or masonry. Chain link is barred in front yards; barbed wire is industrial-only.

Ontario requires a permit for any retaining wall over 4 feet (footing to top) or carrying a surcharge such as a slope or driveway. Engineered plans by a licensed California civil or structural engineer are required.

Ontario fence requirements include zoning-based heights, setbacks, sight triangles, buffer walls on industrial edges, and CBC structural standards. Pool, retaining, and masonry walls have additional requirements.

Shared Ontario fences are governed by California Civil Code 841, the Good Neighbor Fence Act. Adjoining owners are presumed to share costs equally after 30 days of written notice to the neighbor.

Ontario limits residential fence heights under the Development Code. Typical maximums are 6 feet rear/side, 3 feet front, and 42 inches in sight-distance triangles at corners. Taller fences need a variance.

Ontario requires a building permit for masonry walls and any fence over 7 feet under the California Building Code. Retaining walls over 4 feet also require permits. Standard 6-foot wood or vinyl fences typically do not.

Ontario discourages wildlife feeding under its nuisance rules and CA F and G Code 251.1. Intentional feeding of coyotes, raccoons, and similar wildlife can be declared a public nuisance and attractants must be removed.

Ontario allows backyard hens in residential zones under the Development Code and OMC Title 6, with coop setbacks. Roosters are typically prohibited, and larger livestock require agricultural or equine zoning.

Ontario restricts livestock to agricultural and equine zones in the Development Code. Most livestock activity is in Ontario Ranch (New Model Colony). Standard residential zones prohibit cattle, goats, sheep, and horses.

Ontario allows beekeeping under the Development Code with hive-count and setback limits. Beekeepers must register annually with the San Bernardino County Agricultural Commissioner under CA F and A Code 29040.

Ontario requires dogs to be leashed off-property under OMC Title 6. Maximum leash length is 6 feet, with owner control required in all public spaces except designated off-leash dog parks.

Ontario does not ban specific dog breeds. CA Food and Agricultural Code 31683 preempts cities from breed-specific bans, though individual dogs can be declared dangerous and breed-specific spay/neuter rules are allowed.

Ontario defers to California state law on exotic pets. CA Fish and Game Code and Title 14 Section 671 ban most wild species including big cats, bears, ferrets, hedgehogs, and sugar gliders without a permit.

California's Rainwater Capture Act (AB 1750) lets Ontario residents collect roof rainwater for outdoor use without a permit for simple barrels. Large cisterns and indoor use require plumbing permits.

Ontario enforces the state Model Water Efficient Landscape Ordinance (MWELO). New residential landscapes over 500 sq ft must meet water-budget, plant, and irrigation rules favoring natives and low-water species.

Ontario allows artificial turf at homes subject to drainage and zoning rules. Civil Code 4735 (AB 349) blocks HOA bans, and AB 1572 makes synthetic turf a compliant replacement for commercial non-functional turf.

Ontario runs an annual weed abatement program under California H and S 14875. Owners get spring notices to clear dry weeds, brush, and rubbish; the city abates and bills the owner if they do not.

Private yard trees in Ontario can usually be removed without a city permit, but parkway street trees are city-owned and need a Public Works permit. Commercial landscape plan trees require plan revision.

Ontario owners must trim trees so branches clear sidewalks, streets, and signs. Parkway street trees are city-owned and require a Public Works permit to prune, plant, or remove.

Ontario's Water Shortage Contingency Plan limits outdoor watering to assigned days and cool hours. AB 1572 bans potable water on non-functional turf at commercial and HOA sites starting January 2027.

Ontario requires owners to keep lawns, parkways, and vacant lots free of overgrown weeds and tall dry grass under the municipal nuisance code. Code Enforcement acts at roughly six inches or on fire risk.

Ontario requires a home occupation permit for any business run from a residence. The use must stay incidental to living there, with no customer traffic, signage, or exterior evidence of commercial activity.

Ontario follows California law classifying small and large family daycare homes as residential uses. State statutes preempt most local zoning, but fire clearance and basic home-occupation registration still apply.

Cottage Food Operations are legal in Ontario under AB 1616 and AB 1240 MEHKO. Class A and B CFOs register or permit through San Bernardino County Environmental Health, with state annual sales caps.

Ontario home occupations cannot generate customer or delivery traffic beyond a normal household. Walk-in services like salons, medical, retail, and auto repair are not allowed as home occupations.

Ontario allows home-based businesses as home occupations under Development Code Title 9 with a home occupation permit. Work must be inside the home by residents only, with no neighborhood impact.

Ontario generally prohibits exterior signage for home occupations to preserve residential character. Home-based businesses cannot post storefront-style signs, window advertising, or illuminated signs on the dwelling.

Ontario hot tubs and spas require a building permit, electrical permit, bonding to Article 680, and either a locking safety cover meeting ASTM F1346 or full pool-barrier compliance under state law.

Ontario requires a building permit, plumbing permit, electrical permit, and plan check before any pool or spa construction under the California Building Standards Code and Ontario Municipal Code.

Above-ground pools in Ontario deeper than 18 inches need a building permit, barrier compliance, and electrical bonding. Removable mesh fencing or a self-latching ladder gate typically satisfies code.

Ontario pools must comply with the California Swimming Pool Safety Act at H&S Code 115920, which requires an approved barrier or combination of safety features around any residential pool or spa.

Ontario residential pools must meet state drowning-prevention safety features, anti-entrapment drain covers under the Virginia Graeme Baker Act, and California Building Code electrical bonding rules.

Foundation-built tiny homes qualify as ADUs under Gov Code 65852.2 in Ontario. Tiny homes on wheels are treated as RVs or park trailers and cannot be used as permanent dwellings on residential lots.

Ontario allows carports on residential lots subject to zoning setbacks and a building permit for any carport 200 sq ft or larger. Properly sized carports count toward required covered parking.

Ontario allows garage-to-ADU conversions under Gov Code 65852.2 with no replacement parking required. Non-ADU conversions to living space still need a building permit and must replace covered parking.

Ontario must allow ADUs and JADUs under California Gov Code 65852.2 and 65852.22 on all single-family and most multifamily lots. Approval is ministerial within 60 days, with no minimum lot size.

Ontario follows CRC Section R105.2, exempting one-story detached sheds under 120 sq ft from a building permit. Sheds must still meet zoning setbacks, height limits, and trade permits for electrical.

Ontario requires active erosion control on all graded sites year-round under OMC Chapter 5 Article VI, with enhanced Best Management Practices from October 1 through April 30 during the rainy season.

Ontario enforces the Santa Ana Regional MS4 permit requiring erosion control, trash capture, and Low Impact Development for projects over 5,000 square feet, with enforcement through OMC Chapter 5 Article VI.

Ontario requires a grading permit under OMC Title 6 for any earthwork over 50 cubic yards or cuts and fills deeper than 3 feet, with geotechnical review for projects over 500 cubic yards.

Most of Ontario is in FEMA Zone X (minimal hazard), but areas near Cucamonga Creek and the Chino Basin are in Zone AE and require lowest floors 1 foot above Base Flood Elevation under OMC Chapter 28.

Ontario bans commercial cannabis retail, cultivation, manufacturing, and delivery storefronts citywide under OMC Chapter 9, while state law still permits pass-through delivery from licensed outside operators.

Ontario residents 21 and older may grow up to 6 cannabis plants indoors per residence under Proposition 64, but outdoor cultivation is banned by OMC Chapter 9 ordinance.

Ontario issues same-day online solar permits under AB 2188 and the statewide SolarAPP+ automated plan check, and new single-family homes must include solar under the 2019 Title 24 Solar Mandate.

California Civil Code 714 (Solar Rights Act) bars Ontario HOAs from banning rooftop solar, and aesthetic rules cannot add over 1,000 dollars in cost or cut output by more than 10 percent.

Ontario allows political signs on private property under First Amendment protections, with content-neutral limits on size, location, and removal timing under OMC Chapter 9.

Ontario allows seasonal holiday decorations and lights on residential property without a permit, but requires compliance with electrical code, sight distance, and HOA rules.

Ontario allows small garage sale directional signs on private property during the sale, but prohibits attaching them to utility poles, street trees, or traffic signs under OMC Chapter 8 and Vehicle Code 21466.5.

Ontario does not receive snow, but property owners must maintain sidewalks free of debris, obstructions, and trip hazards under California Streets and Highways Code 5610 and OMC Chapter 7.

Ontario allows garage sales during daylight hours on single-family property, but limits them to 3 per year per address, 2 consecutive days, and bans selling new merchandise.

Ontario requires owners of vacant lots to clear weeds, trash, and fire hazards annually under OMC Chapter 30 and Fire Code Chapter 49 to reduce wildfire and blight risks.

Ontario prohibits overgrown vegetation, junk vehicles, graffiti, and deteriorated buildings as public nuisances under OMC Chapter 30 and California Health and Safety Code 17920.3.

Ontario prohibits storing trash, recycling, and organics carts in front yards or visible from the public right-of-way between collection days under the Development Code and OMC Chapter 4.

Ontario regulates outdoor lighting under OMC Chapter 9, requiring shielded fixtures and color temperature limits to reduce glare toward homes and aircraft paths at ONT International Airport.

Ontario treats light shining onto neighboring property as a public nuisance under OMC Chapter 30 and zoning Chapter 9, with a typical 0.5 footcandle limit at any residential property line and Code Enforcement response.

Ontario follows California AB 1482 (Civil Code 1946.2), requiring landlords to provide just cause to terminate tenancy after 12 months of occupancy, with relocation assistance for no-fault evictions.

Ontario does not maintain a citywide rental registry, but landlords must obtain a business license for rental activity under OMC Title 4 and comply with state rent cap disclosure rules.

Ontario has no local rent-control ordinance, but most rentals fall under California AB 1482 capping annual rent increases at 5 percent plus CPI (max 10 percent) and requiring just cause after 12 months.

Ontario residents and businesses must separate recyclables and organics per California AB 341, AB 1826, and SB 1383, using blue recycling and green organics carts provided by Burrtec.

Ontario residents receive weekly curbside collection of trash, recycling, and organics from Burrtec Waste Industries, with carts placed out by 6:00 a.m. and removed within 24 hours.

Ontario trash, recycling, and organics carts must be placed curbside with at least 3 feet clearance, handles toward the house, and stored out of public view on non-collection days.

Ontario residents get up to 4 free bulky item pickups per year from Burrtec, scheduled at least 24 hours in advance by calling (909) 947-3945 or through the MyBurrtec portal.

Commercial drone operations in Ontario require an FAA Part 107 Remote Pilot Certificate, LAANC authorization in ONT airspace, and a City business license for aerial photography or inspection services.

Recreational drone operators in Ontario must follow FAA 14 CFR Part 107 and Part 44809 rules and stay out of ONT airport Class C airspace without LAANC authorization.

Under California SB 946, Ontario cannot ban sidewalk vendors citywide but regulates time, place, and manner through OMC Chapter 5, with no vending in parks during events or within 15 feet of curb cuts for ADA access.

Food trucks in Ontario need a San Bernardino County Environmental Health mobile food facility permit, a City business license from (909) 395-2022, and must comply with California Retail Food Code (CalCode) requirements.

Door-to-door commercial solicitors in Ontario must obtain a Peddler, Solicitor, and Itinerant Merchant permit from the City, submit to a background check, and display the permit badge while working.

A posted No Solicitors or No Trespassing sign at an Ontario home is legally enforceable; solicitors who ignore it commit a misdemeanor under California Penal Code 602.5.

Ontario public parks are closed between 10:00 p.m. and 5:00 a.m., and entry during closed hours is an infraction under OMC Title 14.

Ontario prohibits minors under 18 from being in public places between 10:00 p.m. and 5:00 a.m. without a parent or qualifying exception under OMC Chapter 6.

Ontario single-family zones require a 20-foot front setback, 5-foot side yards (15-foot street side), and 20-foot rear setback under OMC Chapter 9 (Zoning), with reductions allowed for ADUs per Government Code 65852.2.

Ontario single-family lots are limited to about 40 to 50 percent building coverage under OMC Chapter 9, with additional impervious-surface restrictions tied to the San Bernardino County MS4 stormwater permit.

Ontario caps single-family homes at 35 feet or 2 stories under OMC Chapter 9, and land near ONT International Airport triggers FAA Part 77 height review for anything over 200 feet or within the runway-protection zone.

Ontario does not charge a garage sale permit fee, but limits each address to 3 sales per year of no more than 2 consecutive days under OMC Chapter 5.

Ontario HOAs running an architectural review committee must follow Civil Code 4765 requirements for written procedures, prompt decisions, appeal rights, and protection of solar installations under Civil Code 714.

Ontario HOAs enforce CC&Rs through notices, hearings, fines, and ultimately court action under Davis-Stirling. Due process requirements at Civil Code 5855 protect owners before fines can be imposed.

Ontario HOAs operate under the California Davis-Stirling Act starting at Civil Code 4000. Boards must hold open meetings, follow written notice rules, and publish minutes to owners.

Ontario HOA disputes must first go through Internal Dispute Resolution under Civil Code 5900 and then Alternative Dispute Resolution under Civil Code 5950 before any civil lawsuit on covenants.

Ontario HOA assessments follow Civil Code 5600 through 5740. Regular dues and special assessments are capped, must be disclosed in writing, and must follow strict collection and lien procedures.

Ontario requires scaffolding over 10 feet to meet Cal/OSHA Title 8 standards, and any scaffold in a public right-of-way needs an encroachment permit from the Ontario Public Works Agency at (909) 395-2000.

Renovation that disturbs paint in a pre-1978 Ontario home must use an EPA Lead-Safe Certified firm under 40 CFR 745 and comply with California Title 17. Landlords also have lead disclosure duties.

Elevators, escalators, and conveyances in Ontario buildings are regulated by Cal/OSHA, not the city. Owners must hold a current Permit to Operate and arrange periodic inspections by a Qualified Conveyance Company.

Ontario property owners must abate rodents, cockroaches, bed bugs, and mosquito breeding under OMC Chapter 30 and coordinate with the West Valley Mosquito and Vector Control District.