San Mateo County, CA Noise Ordinances: Construction Hours (2026)

Noise sources associated with demolition, construction, repair, remodeling, or grading of any real property, provided said activities do not take place between the hours of 6:00 P.M. and 7:00 A.M. weekdays, 5:00 P.M. and 9:00 A.M. on Saturdays or at any time on Sundays, Thanksgiving and Christmas.f)All mechanical devices, apparatus or equipment which are utilized for the protection or salvage of agricultural crops during periods of potential or actual frost damage or other adverse weather conditions.g)Mobile noise sources associated with agricultural operations provided such operations do not take place between the hours of 8:00 P.M. and 7:00 A.M.h)Mobile noise sources associated with agricultural pest control through pesticide application provided that the application is made in accordance with restricted material permits issued by or regulations enforced by the Agricultural Commissioner.i)Noise sources associated with the maintenance of real property used for residential purposes provided said activities take place between the hours of 7:00 A.M. and 8:00 P.M.j)Any activity to the extent regulation thereof has been preempted by State or Federal law. (Prior code § 4956; Ord. 2803, 10/19/82; Ord. 3208, 03/06/90)