Noise Rules: Brentwood vs Walnut Creek
How do noise rules rules compare between Brentwood, CA and Walnut Creek, CA?
Brentwood and Walnut Creek have similar restriction levels.
Brentwood, CA
Contra Costa County
Brentwood prohibits short-term rentals citywide under Municipal Code Chapter 17.796 (Ord. 1079, adopted Dec 10, 2024), so STR-specific noise rules do not apply. Any rental of 30 days or fewer is unlawful, leaving Brentwood's general noise ordinance to govern occupant conduct at long-term rentals.
View full Brentwood rules →Walnut Creek, CA
Contra Costa County
Walnut Creek does not list short-term rentals as an allowed residential use, so all leases must run 31 days or longer and no STR-specific noise regime exists. The citywide nuisance noise rules in Municipal Code Chapter 4-6 apply to every dwelling, including the 8 AM-7 PM weekday and 9 AM-7 PM weekend window for landscaping or maintenance equipment.
View full Walnut Creek rules →Key Facts Comparison
| Fact | Brentwood | Walnut Creek |
|---|---|---|
| STR Status | Banned citywide | Not a permitted use |
| Code Section | BMC Ch. 17.796 | - |
| Ordinance | No. 1079 (Dec 10, 2024) | - |
| Threshold | 30 days or fewer prohibited | - |
| ADUs | Included in ban | - |
| Hosted Stays | No exception | - |
| Min Rental Term | - | 31 days |
| Landscaping Hours (weekday) | - | 8 AM - 7 PM |
| Landscaping Hours (weekend) | - | 9 AM - 7 PM |
| Noise Complaints | - | WCPD (925) 943-5844 |
| Report Unpermitted Rental | - | DutyPlanner@walnut-creek.org |
Highlighted rows indicate differences between cities.
Brentwood FAQ
Are there quiet hours for short-term rentals in Brentwood?
No, because short-term rentals are themselves prohibited under BMC Chapter 17.796. There is no STR program to attach quiet-hours conditions to.
Does the unincorporated Contra Costa County STR noise rule apply inside Brentwood?
No. County Chapter 88-32 (Ord. 2020-12) governs unincorporated areas only; inside Brentwood, the citywide STR ban controls.
What if my neighbor is renting nightly?
Report it to City of Brentwood code enforcement. Stays of 30 days or fewer violate Chapter 17.796 and can trigger citations and abatement.
Walnut Creek FAQ
Are there special noise rules for Airbnbs in Walnut Creek?
No. Walnut Creek does not authorize short-term rentals, so no STR-specific noise regime exists. The citywide nuisance rules in Municipal Code Chapter 4-6 and the 8 AM-7 PM weekday equipment window apply to every residence.
How do I report a loud short-term rental in Walnut Creek?
Call WCPD non-emergency at (925) 943-5844 for the noise itself, and email DutyPlanner@walnut-creek.org or call Planning at (925) 256-3558 to report the underlying unpermitted rental use.
Can my STR permit be revoked for noise?
Walnut Creek does not issue STR permits. Any rental shorter than 31 days is treated as an unpermitted use regardless of guest behavior.
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