San Jose, CA Noise Ordinance
Quiet Hours: 10PM-7AM (stricter limitations generally apply)
Residential Decibel Limit: 70 dB(A) (7 a.m. - 10 p.m.) or 10 dBA above ambient, not to exceed 60 dBA; One- and Two-Family Residential: 55 dBA (7 a.m. - 10 p.m.) (Day) / 55 dB(A) (10 p.m. - 7 a.m.) or 5 dBA above ambient, not to exceed 50 dBA; One- and Two-Family Residential: 45 dBA (10 p.m. - 7 a.m.); Multiple-Family Dwelling: 50 dBA (10 p.m. - 7 a.m.) (Night)
Summary: San Jose, CA noise ordinances, primarily Chapter 10.16 of the Municipal Code, prohibit any noise that disturbs the peace, quiet, and comfort of a neighborhood by being unreasonably loud. While no blanket curfew is established, stricter limitations generally apply between 10:00 p.m. and 7:00 a.m., with enforcement based on a 'plainly audible' standard or measured decibel levels.