Noise Ordinances in San Bernardino County, CA (2026)

9 county-level rules, plus city-specific rules for 8 cities in San Bernardino County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of San Bernardino County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Quiet Hours

San Bernardino County enforces quiet hours from 10 PM to 7 AM in unincorporated areas under Development Code §83.01.080. Residential exterior noise limits are 55 dBA daytime (7 AM–10 PM) and 45 dBA nighttime (10 PM–7 AM).

San Bernardino County Quiet Hours & Noise Standards

Some Restrictions

Full ordinance details →Official source ↗

Construction Hours

Construction in unincorporated San Bernardino County is permitted 7 AM to 7 PM Monday through Saturday under Development Code §83.01.080. No construction on Sundays or federal holidays.

San Bernardino County Construction Hours

Some Restrictions

Full ordinance details →Official source ↗

Barking Dogs

San Bernardino County regulates noisy animals under County Code Title 3, Division 2 (Animal Regulations) and §32.0108 (Control of Animals). Dogs must be controlled to prevent nuisance barking. Complaints handled by County Animal Care at (800) 472-5609.

San Bernardino County Barking Dog Rules

Some Restrictions

Full ordinance details →Official source ↗

Leaf Blower Rules

Unincorporated San Bernardino County allows gas and electric leaf blowers from 7 AM-10 PM with no county ban. California AB 1346 phases out new gas small off-road engine sales starting 2024.

San Bernardino County Leaf Blower Rules

Some Restrictions

Cal. AB 1346 (2021) — Small Off-Road Engines (Gas Leaf Blower Phase-Out)

Existing law imposes various limitations on the emissions of air contaminants for the control of air pollution from vehicular and nonvehicular sources. [...] This bill would require the state board, by July 1, 2022, consistent with federal law, to adopt cost-effective and technologically feasible regulations to prohibit engine exhaust and evaporative emissions from new small off-road engines, a...

Full ordinance details →Official source ↗

Amplified Music & Events

Unincorporated San Bernardino County caps amplified music at residential property lines at 55 dBA day and 45 dBA night under Title 8 Division 3. Special events need a permit through Land Use Services.

San Bernardino County Amplified Music Rules

Some Restrictions

Full ordinance details →Official source ↗

Aircraft Noise

Aircraft noise is FAA-preempted under federal law and cannot be regulated by San Bernardino County. ONT and SBD operate under federal airspace rules. The county only regulates land use in 65 dB CNEL airport contours.

San Bernardino County Aircraft Noise Rules

Few Restrictions

Full ordinance details →Official source ↗

Industrial Noise

Industrial noise abutting residential property in San Bernardino County must meet residential limits (45 dBA night) under Title 8. Inland Empire warehouses in Fontana, Ontario, and Bloomington face strict enforcement.

San Bernardino County Industrial Noise Rules

Heavy Restrictions

Full ordinance details →Official source ↗

Decibel Limits

San Bernardino County Title 8 Division 3 sets exterior dBA limits by receiving zone: residential 55/45 day/night, commercial 65/60, industrial 70/70. Impulsive and tonal noise carries a -5 dB penalty.

San Bernardino County Decibel Limits

Some Restrictions

Full ordinance details →Official source ↗

Outdoor Music

Outdoor music in unincorporated San Bernardino County must meet Title 8 residential limits (55 dBA day, 45 dBA night). Venues need a Conditional Use Permit and special events need a permit from Land Use Services.