Noise Rules: Brentwood vs Concord
How do noise rules rules compare between Brentwood, CA and Concord, CA?
Brentwood and Concord 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 →Concord, CA
Contra Costa County
Short-term rentals are entirely prohibited in Concord, so STR-specific noise rules do not exist. Any unpermitted rental under 30 days is itself a zoning violation. Concord's general noise ordinance (Municipal Code Ch. 9.05) and 10 PM-7 AM quiet hours still apply to all residential properties.
View full Concord rules →Key Facts Comparison
| Fact | Brentwood | Concord |
|---|---|---|
| STR Status | Banned citywide | Prohibited citywide |
| 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 | - | 30+ days |
| Quiet Hours | - | 10 PM - 7 AM (all residences) |
| Nighttime Limit | - | 45 dBA residential |
| Report STR Use | - | zoning@cityofconcord.org |
| Noise Complaints | - | Concord PD (925) 671-3333 |
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.
Concord FAQ
Are there special noise rules for Airbnbs in Concord?
No. Short-term rentals are prohibited in Concord, so there are no STR-specific noise rules. The citywide 10 PM-7 AM quiet hours and 45 dBA nighttime limit under Municipal Code Chapter 9.05 apply to every dwelling.
How do I report a noisy short-term rental in Concord?
Report noise to Concord PD non-emergency at (925) 671-3333 or via the Concord Connect app. Report the underlying short-term rental use to the Planning Division at zoning@cityofconcord.org.
Can my STR permit be revoked if guests are noisy?
Concord does not issue STR permits at all. Any rental under 30 days is prohibited regardless of guest behavior.
Compare other topics
See how Brentwood and Concord compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool