Construction Hours: Daly City vs South San Francisco
How do construction hours rules compare between Daly City, CA and South San Francisco, CA?
Daly City has fewer restrictions than South San Francisco.
Daly City, CA
San Mateo County
Daly City's municipal code sets no construction-hour limits, maximum sound levels, or vibration standards, a gap the City's own environmental review confirms. The general nighttime rule in Section 9.22.030 still effectively bars construction noise audible off-site from 10:00 p.m. to 6:00 a.m.
View full Daly City rules →South San Francisco, CA
San Mateo County
South San Francisco permits construction with a valid city permit weekdays 8 AM–8 PM, Saturdays 9 AM–8 PM, and Sundays/holidays 10 AM–6 PM. Equipment noise cannot exceed 90 dB at 25 feet. SSFMC §8.32.
View full South San Francisco rules →Key Facts Comparison
| Fact | Daly City | South San Francisco |
|---|---|---|
| Citywide construction hours | None set by municipal code | - |
| Maximum sound levels | None set by municipal code | - |
| Vibration standards | None in municipal code | - |
| Practical night limit | 10:00 p.m.-6:00 a.m. (Sec. 9.22.030) | - |
| New-construction interior limit | 45 dBA CNEL (Title 24) | - |
| Weekdays | - | 8 AM – 8 PM (permitted work) |
| Saturdays | - | 9 AM – 8 PM |
| Sundays/Holidays | - | 10 AM – 6 PM |
| Max Equipment Noise | - | 90 dB at 25 feet |
| Code | - | SSFMC Ch. 8.32 |
Highlighted rows indicate differences between cities.
Daly City FAQ
What hours can construction take place in Daly City?
The municipal code sets no specific construction hours, per the City's own EIR. Project approvals may impose hour limits, and noise audible off-site between 10:00 p.m. and 6:00 a.m. violates Section 9.22.030.
Does Daly City limit construction noise levels?
No. The City's Serramonte DEIR confirms the municipal code contains no maximum sound level or vibration standards for construction; controls are applied through CEQA mitigation and conditions of approval on individual projects.
South San Francisco FAQ
What are the allowed construction hours in South San Francisco?
South San Francisco permits construction with a valid city permit weekdays 8 AM–8 PM, Saturdays 9 AM–8 PM, and Sundays/holidays 10 AM–6 PM. Equipment noise cannot exceed 90 dB at 25 feet. SSFMC §8.32.
Can construction work happen on weekends in South San Francisco?
Weekdays: 8 AM – 8 PM (permitted work). Saturdays: 9 AM – 8 PM. Sundays/Holidays: 10 AM – 6 PM. Max Equipment Noise: 90 dB at 25 feet.
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