Noise Rules: Antioch vs San Ramon
How do noise rules rules compare between Antioch, CA and San Ramon, CA?
Antioch and San Ramon have similar restriction levels.
Antioch, CA
Contra Costa County
STR guests in Antioch must comply with the city's general noise ordinance. There are no STR-specific noise rules. Excessive noise from rental properties can result in police response and nuisance complaints.
View full Antioch rules →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 →Key Facts Comparison
| Fact | Antioch | San Ramon |
|---|---|---|
| Rules | General noise ordinance applies | - |
| Quiet Hours | 10 PM–7 AM | 10 PM - 8 AM |
| Owner Liability | Responsible for guest behavior | - |
| Enforcement | Antioch PD | - |
| STR Status | - | Allowed with annual registration |
| STR Code Section | - | Zoning Ordinance D4-27 |
| Noise Code | - | Municipal Code Ch. V (B6-81 to B6-122) |
| 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) |
Highlighted rows indicate differences between cities.
Antioch FAQ
What noise rules apply to Airbnb guests in Antioch?
The city's standard noise ordinance applies. Guests should keep noise down especially between 10 PM and 7 AM.
Am I liable if my Airbnb guests are loud?
Yes, property owners can face nuisance enforcement for repeated disturbances from their rental property.
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.
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