Noise from Specific Sources in San Jose, CA (2026)
11 verified noise from specific sources rules for San Jose, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
San Jose regulates HVAC equipment noise under SJMC Chapter 20.30 (zoning) and Chapter 10.16 (noise). Mechanical equipment must be set back at least 5 feet from the rear property line and screened with a 5-foot masonry wall or solid fence. Noise must not be plainly audible past the property line during nighttime hours.
San Jose HVAC Equipment Noise Regulations
Some RestrictionsBar & Nightclub Noise
San Jose regulates entertainment venue noise under SJMC Chapter 10.16 and conditional use permit requirements. Bars and nightclubs near residential areas face strict enforcement for music and patron noise. Venues require entertainment permits and must contain sound within the premises.
San Jose Bar & Nightclub Noise Regulations
Heavy RestrictionsCar Alarm Limits
San Jose regulates car alarm noise under SJMC Chapter 10.16 general noise provisions and California Vehicle Code Section 27007. Alarms that sound continuously and disturb the peace may be cited. Vehicle noise audible beyond 50 feet from a parked vehicle on public property is a violation.
San Jose Car Alarm Noise Regulations
Some RestrictionsGenerator Noise
San Jose regulates generator noise under SJMC Chapter 10.16 general noise provisions. Portable and standby generators must not produce noise plainly audible past the property line during nighttime hours (10 PM–7 AM) or exceed 75 dB(A) at the property boundary in residential areas.
San Jose Generator Noise Regulations
Some RestrictionsHelicopter Noise
Helicopter operations over San Jose are regulated almost entirely by the FAA under 49 USC §40103, not by city noise code. SJMC Title 20.100 noise rules cannot dictate flight altitudes or routes. Residents can file complaints with the FAA Western-Pacific Region or Mineta SJC noise office.
Helicopter Noise Over San Jose Is Federally Preempted
Few RestrictionsConstruction Equipment Noise
SJMC Title 20.100 limits construction equipment noise at residential property lines to 75 dBA daytime, with work permitted only between 7 a.m. and 7 p.m. weekdays and 9 a.m. to 7 p.m. weekends. Pile drivers, jackhammers, and impact tools require additional mitigation under California Building Code chapters.
San Jose Caps Construction Equipment Noise at 75 dBA
Some RestrictionsDelivery Truck Noise
California Vehicle Code §27007 prohibits operating any vehicle with modified or defective exhaust systems exceeding statutory decibel limits. SJMC Title 11 covers loading-zone hours and back-up alarms. Residential overnight delivery noise is also limited by SJMC 20.100 nighttime ambient standards of 50 dBA.
Delivery Truck Noise Limited by State Vehicle Code in San Jose
Some RestrictionsHelicopter Flight Paths
Norman Y. Mineta San Jose International (SJC) and Reid-Hillview Airport publish voluntary helicopter and fixed-wing noise abatement procedures under FAA Part 150. Routes follow Highway 101 and Coyote Creek to avoid neighborhoods. Compliance is voluntary because federal law preempts mandatory local flight restrictions.
Mineta SJC and Reid-Hillview Use Voluntary Noise Abatement Routes
Few RestrictionsHospital Helipad Noise
Hospital helipads at Santa Clara Valley Medical Center, Good Samaritan, and Kaiser San Jose are permitted under SJMC Title 17 building rules and California Department of Public Health licensing. FAA regulates flight operations; city environmental review imposes flight-path mitigation, but emergency medical transports are exempt from local noise limits.
San Jose Hospital Helipads Permitted Under SJMC Title 17
Some RestrictionsAirport Engine Run-up
Mineta SJC and Reid-Hillview restrict aircraft engine maintenance runups to designated pads during specified daytime hours under their FAA Part 150 noise compatibility programs. Nighttime runups generally require special permission. Operators ignoring local procedures face airport access discipline rather than city citations.
SJC and Reid-Hillview Restrict Engine Runups Under Part 150
Some RestrictionsLow-Frequency Bass Limits
SJMC Chapter 20.100 lets Code Enforcement measure low-frequency bass on the C-weighted decibel scale and apply a 5 dB penalty when dB(C) minus dB(A) exceeds 10. Bass complaints from clubs, car audio, and home theaters can be cited even when A-weighted readings appear within limits.
San Jose Adds Bass Penalty Using dB(C) Measurement
Some RestrictionsLooking for Santa Clara County county-wide rules?
County ordinances apply to unincorporated areas and may supplement San Jose city rules.
Noise from Specific Sources in Santa Clara County →