The Resolution Path
1. Local Ordinance
2. Document Evidence
3. Resolve Dispute
The Resolution Path
Step 1 of 3San Francisco, CA
Noise Ordinance Overview
You’ve located the ordinance. Now, compare your situation against the legal thresholds to build your case.
Official Decibel Limits
volume_up"Limits are relative to ambient noise levels, with minimum ambient levels of 35 dBA for interior residential and 45 dBA for other locations."
AI Executive Summary
San Francisco, CA noise ordinances, primarily found in Article 29 of the Police Code, prohibit excessive noise from various sources. Quiet hours for human and animal-related noise are generally 10:00 p.m. to 7:00 a.m. Specific decibel limits are set for residential and commercial areas, relative to ambient noise levels. Construction and amplified sound also have restricted operating hours and volume limits.
Specific Noise Restrictions
Construction
Unlawful between 8:00 p.m. and 7:00 a.m. if noise exceeds ambient by 5 dBA at the nearest property plane, unless a special permit from Public Works or Building Inspection is granted. Powered equipment is limited to 80 dBA at 100 feet; impact tools require mufflers and shields.
Amplified Sound
Outdoor sound amplifying equipment may be operated only between 9:00 a.m. and 10:00 p.m., with exceptions by the Entertainment Commission. Volume must not be audible more than 250 feet from the furthest audience member and not be unreasonably loud or disturbing. Permits are required for outdoor amplified sound.
Animals
Human and animal-related noise is not permitted between 10:00 p.m. and 7:00 a.m. if unreasonable. A barking dog is defined as barking continuously for 10 minutes or longer.
Vehicles
Unlawful to repair, rebuild, or test motor vehicles in residential areas causing unnecessary, excessive, or offensive noise. Vehicle horns are for emergency warning purposes only.
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