Noise from Specific Sources in San Francisco, CA (2026)
1 verified noise from specific sources rules for San Francisco, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
San Francisco caps indoor noise from HVAC units and other fixed mechanical equipment at 45 dBA at night and 55 dBA by day inside neighboring dwellings.
HVAC and Fixed Equipment Noise Limits SF
Some RestrictionsSan Francisco Police Code Art. 29, § 2909(d) (Fixed Residential Interior Noise Limits)
In order to prevent sleep disturbance, protect public health and prevent the acoustical environment from progressive deterioration due to the increasing use and influence of mechanical equipment, no fixed noise source may cause the noise level measured inside any sleeping or living room in any dwelling unit located on residential property to exceed 45 dBA between the hours of 10:00 p.m. to 7:00...