Noise Rules: San Ramon vs Walnut Creek
How do noise rules rules compare between San Ramon, CA and Walnut Creek, CA?
San Ramon has fewer restrictions than Walnut Creek.
San Ramon, CA
Contra Costa County
San Ramon allows STRs in any residential district subject to Zoning Ordinance D4-27, which makes the operator jointly responsible for compliance with all City noise regulations under Municipal Code Chapter V (B6-81 through B6-122). General nighttime quiet hours run 10 PM to 8 AM, and audio or yelling that is plainly audible at 50 feet from the building between those hours is prima facie evidence of a violation. Un-hosted STRs are capped at 12 weeks per year, and STRs may not be rented for parties or other special events.
View full San Ramon 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 | San Ramon | Walnut Creek |
|---|---|---|
| STR Status | Allowed with annual registration | Not a permitted use |
| STR Code Section | Zoning Ordinance D4-27 | - |
| Noise Code | Municipal Code Ch. V (B6-81 to B6-122) | - |
| Quiet Hours | 10 PM - 8 AM | - |
| Audible Standard | Plainly audible at 50 ft (prima facie) | - |
| Local Contact Response | 30 minutes, 24/7 (D4-27.C.2.d) | - |
| Un-hosted Cap | 12 weeks per year | - |
| Special Events | Prohibited (no parties/weddings) | - |
| 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.
San Ramon FAQ
Does San Ramon set special noise limits for short-term rentals?
No. San Ramon does not impose STR-specific decibel limits. D4-27.D.6 makes operators jointly responsible for compliance with the citywide noise rules in Municipal Code Chapter V, including the 10 PM to 8 AM quiet hours.
How are noise complaints handled at a San Ramon STR?
Under D4-27.C.2.d, the registered local contact must be available 24 hours a day and able to respond physically to the rental within 30 minutes. Audio plainly audible at 50 feet between 10 PM and 8 AM is prima facie evidence of a B6-91 violation.
Can my San Ramon STR registration be revoked for noise problems?
Yes. Under D4-27.G, the Zoning Administrator may schedule a public hearing to revoke a registration for violations or public nuisance, and a revoked registration may not be re-issued for 12 months.
Are short-term rentals allowed for parties or weddings in San Ramon?
No. D4-27.D.2 expressly prohibits renting an STR for the purpose of holding special events such as weddings, conferences, or parties.
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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