Noise Ordinances in Santa Clara County, CA (2026)

Santa Clara County Ordinance Code § B11-154(b)(1)a

Operating, playing or permitting the operation or playing of any radio, television set, phonograph, drum, musical instrument, or similar device which produces or reproduces sound...Between the hours of 10:00 p.m. and 7:00 a.m. the following day in a manner as to create a noise disturbance across a residential or commercial real property line or at any time to violate the provisions of Section B...

Santa Clara County Ordinance Code § B11-154(6)

Operating or causing the operation of any tools or equipment used in construction, drilling, repair, alteration or demolition work between weekdays and Saturday hours of 7:00 p.m. and 7:00 a.m., or at any time on Sundays or holidays, that the sound therefrom creates a noise disturbance across a residential or commercial real property line, except for emergency work of public service utilities o...

Santa Clara County Ordinance Code § B11-154(4)

Animals and birds. Owning, possessing or harboring any animal or bird which howls, barks, meows, squawks or makes other noises continuously and/or incessantly for a period of ten minutes or intermittently for one-half hour or more which creates a noise disturbance across a residential or commercial real property line. ...the noise will not be deemed a disturbance if a person is trespassing or t...

AB-1346 (2021), Health & Safety Code § 43018.11

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, as defined by the state board. The bill would require the state board to identify and, to the extent feasible, make available funding for commercial rebates or...

Santa Clara County Ordinance Code § B11-154(b)(2)(a)

Loudspeakers (amplified sound). Using or operating for any commercial purposes any loudspeaker system or similar device between the hours of 10:00 p.m. and 7:00 a.m. the following day, that the sound there from creates a noise disturbance across a residential real property line, or at any time violates the provisions of Section B11-153.

Santa Clara County Ordinance Code § B11-154(14)

Operating or permitting to be operated any helicopter which violates nighttime provisions of Section B11-152 or which causes a noise that exceeds 80 dBA during the day in residential or commercial areas without a variance. Military and government-operated helicopters are exempted from provisions of this section.(15)Fixed noise source location. Installation or permitting the installation of any ...

Santa Clara County Ordinance Code § B11-152 and Table B11-152

No person may operate or cause to be operated any source of sound at any location within the unincorporated territory of the County or allow the creation of any noise on property owned, leased, occupied or otherwise controlled by the person, which causes the noise level when measured on any other property either incorporated or unincorporated, to exceed: a.The noise standard for that land use a...

Santa Clara County Ordinance Code § B11-155(c)

No person will operate or permit the operation of any motor vehicle with a gross vehicle weight rating (GVWR) in excess of 10,000 pounds, or any auxiliary equipment attached to a vehicle, for a period longer than 15 minutes in any hour while the vehicle is stationary, for reasons other than traffic congestion, on a public right-of-way or public space within 150 feet (46 meters) of a residential...