Quiet Hours: San Mateo vs South San Francisco
How do quiet hours rules compare between San Mateo, CA and South San Francisco, CA?
South San Francisco has fewer restrictions than San Mateo.
San Mateo, CA
San Mateo County
San Mateo's noise ordinance (SMMC Ch. 7.30) uses a tiered time-based decibel standard. Nighttime limits are stricter than daytime. Pool equipment exceeding 35 dBA must be 25 feet from neighbors or enclosed.
View full San Mateo rules →South San Francisco, CA
San Mateo County
South San Francisco regulates noise under SSFMC Chapter 8.32 (Noise Regulations). The ordinance prohibits loud, unnecessary noise disturbing neighborhood peace. Quiet hours for residential zones are generally 10 PM to 8 AM.
View full South San Francisco rules →Key Facts Comparison
| Fact | San Mateo | South San Francisco |
|---|---|---|
| Quiet Hours | 10 PM – 7 AM (residential) | Generally 10 PM – 8 AM (residential) |
| Tiered Standard | Based on duration above baseline dBA | - |
| Pool Equipment | 35 dBA max or 25 ft from neighbors | - |
| Code | SMMC Ch. 7.30 | SSFMC Ch. 8.32 |
| Standard | - | No loud, unnecessary noise disturbing neighbors |
| Enforcement | - | Police + Code Enforcement |
Highlighted rows indicate differences between cities.
San Mateo FAQ
What are the quiet hours in San Mateo?
San Mateo's noise ordinance (SMMC Ch. 7.30) uses a tiered time-based decibel standard. Nighttime limits are stricter than daytime. Pool equipment exceeding 35 dBA must be 25 feet from neighbors or enclosed.
What happens if I violate the noise ordinance in San Mateo?
Quiet Hours: 10 PM – 7 AM (residential). Tiered Standard: Based on duration above baseline dBA. Pool Equipment: 35 dBA max or 25 ft from neighbors. Code: SMMC Ch. 7.30.
South San Francisco FAQ
What are the quiet hours in South San Francisco?
South San Francisco regulates noise under SSFMC Chapter 8.32 (Noise Regulations). The ordinance prohibits loud, unnecessary noise disturbing neighborhood peace. Quiet hours for residential zones are generally 10 PM to 8 AM.
What happens if I violate the noise ordinance in South San Francisco?
Quiet Hours: Generally 10 PM – 8 AM (residential). Standard: No loud, unnecessary noise disturbing neighbors. Code: SSFMC Ch. 8.32. Enforcement: Police + Code Enforcement.
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