Brentwood, CA Noise Ordinances: Construction Hours (2026)
Construction hours in Brentwood, CA, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- Weekday heavy construction hours
- 7:00am-3:30pm (Mon-Fri)
- Extended hours w/ approval
- Until 5:30pm
- Saturday (with approval)
- 8:00am-5:00pm only
- Sunday/holidays
- No heavy construction
- Carpentry tools (residential)
- 7am-7pm weekdays, 9am-5pm Sat
- Approving official
- City engineer or designee
Summary
Brentwood limits noisy construction and grading to weekdays 7 a.m. to 3:30 p.m. (or 5:30 p.m. with city engineer approval), with no weekend work except an approved Saturday window of 8 a.m. to 5 p.m. Sundays and city holidays are off-limits.
All operation of power construction equipment or any other construction device that creates noise in excess of the noise level limits of this article, and all performance of any outside construction work, including, but not limited to, grading and trenching, that creates noise in excess of the noise level limits of this article shall be limited to the following hours: Monday through Friday from seven a.m. until three-thirty p.m., or until five-thirty p.m. with the express written approval of the city engineer or designee. No such work shall be performed on Saturday or Sunday or city holidays, except that such work may be performed on Saturday between eight a.m. and five p.m. with the express written approval of the city engineer or designee.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4604307; v5 updated 2025-12-09).
Full Breakdown
050(A) governs grading, site improvement, infrastructure improvement and outside heavy construction that generates noise exceeding the city's ordinary noise level limits. m. with the city engineer's express written approval. Home repairs and routine maintenance of personal property do not count as construction under this rule, and construction within the city right-of-way, such as road work or drainage installation, may be performed outside these hours, including overnight, with the engineer's written approval. The planning commission and city council can impose stricter hours as conditions on subdivisions, planned development permits, conditional use permits or variances.
Emergency work is exempt, though the city engineer can require after-the-fact proof that an emergency actually existed and may cite a party who cannot produce that evidence. , with no work at all on Sunday or a holiday unless performed entirely inside an enclosed structure.
Violations & Fines
A violation of the construction noise hour restrictions in Section 9.32.050 is a misdemeanor under Section 9.32.090, punishable by a fine of not more than five hundred dollars, imprisonment in Contra Costa County Jail for not more than six months, or both, with each day of continued violation a separate offense.
Frequently Asked Questions
Can construction crews work on Saturdays in Brentwood?
Can a homeowner run a power saw in their yard at 8 p.m. in Brentwood?
Is emergency utility repair work exempt from Brentwood's construction hour limits?
Sources & Official References
Other rules in Brentwood
How Brentwood compares: Cities with the Strictest Construction Hours·California rules heatmap·Compare Brentwood to another location·View the California noise ordinances overview
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Construction Hours in Nearby Cities
How other cities in Contra Costa County handle construction hours.