Noise Ordinances in Redwood City, CA (2026)
3 verified noise ordinances for Redwood City, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Construction Hours
Redwood City confines general construction noise to weekdays, 7 a.m. to 8 p.m., under City Code Sec. 24.32. Noise the code calls excessive, above 110 dB, is boxed into a narrower 9 a.m. to 4 p.m. weekday window, and all construction noise, including preconstruction deliveries and truck idling, is banned entirely on weekends and City-designated holidays.
Redwood City Construction Noise Hours
Some RestrictionsRedwood City Code sec. 24.32
A.General construction noise on private projects shall be limited to weekdays from seven o'clock (7:00) A.M. to eight o'clock (8:00) P.M. Excessive or unreasonable construction noises, as identified under Section 24.30, shall be limited to weekdays from nine o'clock (9:00) A.M. to four o'clock (4:00) P.M. General and excessive or unreasonable construction noise is prohibited during holiday peri...
Amplified Music & Outdoor Sound
Amplified music or loudspeakers at Courthouse Square events cannot run more than 10 decibels above ambient sound, measured 100 feet from the property line, for more than five minutes between 7 a.m. and 11 p.m. Going over that threshold triggers a mandatory City event permit under Code Sec. 33A.41.
Redwood City Courthouse Square Amplified Sound Limit
Some RestrictionsRedwood City Code § 33A.41(C)(2)
An event permit is required for any activity in the Courthouse Square under one (1) or more of the following circumstances: A.The activity requires, or is reasonably likely to require, City services including but not limited to: set up and/or clean up; police or fire protection; utilities such as electricity;B.The activity includes the placement of any temporary structure, including but not ...
Decibel Limits
In Redwood City, after a noise-abatement notice, it is unlawful to allow a party or gathering of three or more people to generate noise between 8 p.m. and 8 a.m. that exceeds 6 dB above the local ambient level measured in a residential district.
Redwood City Residential Noise Level Limit
Heavy RestrictionsRedwood City Code sec. 24.21
It shall be unlawful for any person, after having been given notice by the enforcement officer pursuant to Section 24.22, to suffer or allow, within twelve (12) consecutive hours following such notice, noise levels to be generated between the hours of eight o'clock (8:00) P.M. and eight o'clock (8:00) A.M. by a party, dance, meeting or other assemblage of three (3) or more persons on any proper...
Looking for San Mateo County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Redwood City city rules.
Noise Ordinances in San Mateo County →