10 county-level rules, plus city-specific rules for 1 city in Santa Clara County, California.
Verified from official government sources
HVAC noise in Santa Clara County must comply with 55/45 dBA residential limits at neighbor property lines. New installations often need acoustic screening and setback compliance.
Bars and nightclubs in unincorporated Santa Clara County must operate under a Conditional Use Permit with noise conditions. ABC licensing and 45 dBA night limits at residential apply.
Generators in Santa Clara County are allowed for emergency use during PSPS and outages, but routine testing must meet 55/45 dBA limits. Permanent standby units need building permits.
Helicopter noise over Santa Clara County is regulated by the FAA, not by county ordinance. SCC Title B noise rules cannot bind aircraft in flight; complaints route to the FAA Western-Pacific Region or the operator's voluntary noise hotline.
Santa Clara County Title B limits construction equipment noise in unincorporated areas to weekday daytime hours and caps levels at the property line. Cities like San Jose, Sunnyvale, and Cupertino adopt their own stricter or comparable construction noise ordinances.
Truck noise on Santa Clara County roads is governed by California Vehicle Code sections 23130 and 27007, capping engine and stereo noise. SCC unincorporated commercial zones add early-morning loading restrictions enforced by Title B.
Helicopter routes across Santa Clara County are set by FAA NorCal TRACON, not by county or city ordinance. San Jose Mineta International publishes voluntary noise abatement procedures, and Reid-Hillview maintains preferred corridors over commercial zones.
Hospital helipads in Santa Clara County operate under California Department of Public Health licensing and FAA flight rules. SCC Title B governs ground noise but cannot restrict emergency arrivals. Stanford, Valley Medical, and Good Samaritan operate active helipads.
San Jose Mineta International and Reid-Hillview Airport restrict aircraft engine run-ups during nighttime hours under voluntary noise abatement procedures. Pilots must use designated run-up pads, and ground operations are governed by airport rules under FAA Part 150 noise compatibility plans.
Santa Clara County Title B noise standards measure complaints in dBA, which underweights low-frequency bass. Code enforcement may use dBC slow-response measurements when bass complaints persist, especially from car stereos, nightclub subwoofers, and residential parties.
1 cities in Santa Clara County have their own noise from specific sources rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Santa Clara County — parking, noise, fences, fires, animals, pools, and more.
Santa Clara County Ordinance Hub →