Noise from Specific Sources
Special bass-frequency (≤125 Hz) sound limits for venues, including dB(C) measurement standards and how cities differentiate bass noise from baseline ambient.
5 locations
Noise limits for air conditioners, heat pumps, pool equipment, and other mechanical systems, including decibel thresholds measured at the property line.
Noise regulations specific to bars, nightclubs, and entertainment venues, including bass frequency limits, soundproofing requirements, and complaint procedures.
Maximum duration for car alarms before they must auto-silence, penalties for repeated false alarms, and vehicle towing authority for chronic alarm violations.
Rules for portable and standby generators, including permitted operating hours, decibel limits, and restrictions during non-emergency use.
Local helicopter operating restrictions, including hospital and police flight paths, late-night limits, and complaint reporting (LA has a dedicated helicopter complaint program).
Noise limits for jackhammers, compressors, pile drivers, and other heavy construction equipment, including permitted hours and decibel thresholds at the property line.