Noise Ordinances in Antioch, CA (2026)
7 verified noise ordinances for Antioch, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Antioch does not set fixed numeric quiet hours; instead, Antioch Municipal Code Chapter 17 prohibits any unreasonably loud, disturbing, or unnecessary noise that disturbs the peace, quiet, and comfort of a neighborhood at any hour.
General Peace-Disturbance Standard (no fixed quiet hours)
Some RestrictionsAntioch Municipal Code section 5-17.01 (Ord. 583-C-S, passed 7-10-84)
No person shall disturb the peace, quiet, and comfort of the community or any neighborhood therein by creating therein any unreasonably loud or disturbing or unnecessary noises.
Construction Hours
Antioch Municipal Code sections 5-17.04 and 5-17.05 limit construction activity and heavy construction equipment to 7 AM-6 PM weekdays (8 AM-5 PM if within 300 feet of an occupied dwelling) and 9 AM-5 PM on weekends and holidays. Violations can trigger Stop Work Orders.
Construction Hours: 7 AM-6 PM Weekdays, 9 AM-5 PM Weekends
Heavy RestrictionsAntioch Municipal Code section 5-17.05 (Construction Activity Noise)
(B) It shall be unlawful for any person to be involved in construction activity during the hours specified below: (1) On weekdays prior to 7:00 a.m. and after 6:00 p.m. (2) On weekdays within 300 feet of occupied dwellings, prior to 8:00 a.m. and after 5:00 p.m. (3) On weekends and holidays, prior to 9:00 a.m. and after 5:00 p.m., irrespective of the distance from the occupied dwellings. (C) In...
Barking Dogs
Antioch Municipal Code section 6-1.102 defines a 'barking dog' as one that barks, bays, cries, howls or makes any noise for an extended period of time disturbing a person at any hour. An 'extended period of time' is incessant barking for 30+ minutes or intermittent barking for 60+ minutes in any 24-hour period. Antioch Animal Services enforces under both city code and Contra Costa County Code section 416-12.202.
Barking Dog: 30 Min Incessant or 60 Min Intermittent in 24 Hours
Some RestrictionsContra Costa County Ordinance Code section 416-12.202 (Animal Noise), Title 4 Health and Safety, Division 416 Animals, Chapter 416-12 Miscellaneous
An animal violates the ordinance if it causes a disturbance by making noise for 30 continuous minutes or more (incessant) or making noise for 60 minutes off and on during a 24-hour period (intermittent). It is unlawful to have an animal that makes noise for an extended period of time and the noise disturbs any person at any time of day or night. For Antioch residents specifically, complaints sh...
Leaf Blower Rules
Powered lawn and garden equipment in Antioch may be operated between 7:00 AM and 7:00 PM on weekdays and 8:00 AM to 5:00 PM on weekends and holidays. This includes lawn mowers, edgers, trimmers, chainsaws, and pressure washers.
Noise: Lawn Equipment Hours
Some RestrictionsCal. 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...
Amplified Music & Events
Under Antioch Municipal Code section 5-17.03, no person may operate a loudspeaker or sound amplifier that projects sound outside of any building or vehicle anywhere in the city except during public events or for matters of public interest, and then only with a permit from the Antioch Chief of Police.
Loudspeakers and Sound Amplifiers Require Police Permit
Heavy RestrictionsAntioch Municipal Code section 5-17.03 (Ord. 583-C-S, passed 7-10-84)
No person shall operate any loudspeaker or sound amplifier or device in such a manner as to cause any sound to be projected outside of any building or vehicle in any part of the city, except during public events or in the dissemination of matters of interest to the general public, and then only upon a permit from the Chief of Police.
Aircraft Noise
Antioch lies under the airspace of Contra Costa County's Buchanan Field Airport (CCR). County Airport Ordinance 88-82 Section 27 caps takeoff noise at 78 dBA daytime and 75 dBA from 10 PM to 7 AM, and prohibits touch-and-go and pattern operations from 10 PM to 7 AM weekdays (to 8 AM weekends and holidays).
Buchanan Field Noise Ordinance: 78 dBA Day, 75 dBA Night
Heavy RestrictionsContra Costa County Airport Ordinance No. 88-82, Section 27 (Airport Noise Restrictions) and Section 3 (revising Airport Regulations section 18.U.10), effective January 1, 1989
A. Maximum Permitted Noise Level. Unless expressly exempted under Subsection E. of this Section, no person shall pilot, operate, or permit to be operated, any aircraft at Buchanan Field Airport which exceeds a sound level of 78.0 decibels on the A-weighted scale (dBA) on takeoff, under measuring procedures referenced, and at noise levels set forth in U.S. Department of Transportation, Federal A...
Vehicle Noise
Antioch Municipal Code section 5-17.02(B)(1)-(2) designates unauthorized vehicle horn use, modified/loud exhaust, and racing a stationary engine as disturbing noises that violate Chapter 17.
Vehicle Horns, Exhaust, and Engine Racing Prohibited
Some RestrictionsAntioch Municipal Code section 5-17.02(B)(1)-(2) (Ord. 583-C-S, passed 7-10-84)
(1) The sounding of any horn, signal, or noise device on any automobile, motorcycle, bus, truck, or other vehicle in any other manner or for any other purpose than required by the California Vehicle Code or other laws of the state, and the exhaust system of all such vehicles shall be so equipped or constructed as to prevent any unreasonably loud, disturbing, or unnecessary noise; (2) Racing the...
Looking for Contra Costa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Antioch city rules.
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