Low-Frequency Bass Limits
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.
How Low-Frequency Bass Limits Rules Differ by Place
Anchorage, AK: Anchorage Rhythmic Bass Noise Rule
Some RestrictionsAnchorage lets code officers measure indoor bass noise on the C-weighted scale when a resident complains about thumping music bleeding through walls.
Flagstaff, AZ: Flagstaff Vehicle Bass and Vibration Limit
Some RestrictionsIn the City of Flagstaff, a vehicle sound system that can be heard 50 feet away and annoys a reasonable person, or that makes someone 50 feet away aware of vibration from the bass, is…
Glendale, AZ: Glendale Car Stereo Bass Noise Rules
Some RestrictionsGlendale bars vehicle sound amplification systems, the classic booming car-stereo bass source, that can be heard 50 feet or more outside the vehicle, or that disturb a reasonable…
Lake Havasu City, AZ: Lake Havasu Bass Noise Complaint Rule
Some RestrictionsWhen a complaint names the rhythmic bass component of amplified music as the problem, Lake Havasu City Code § 9.30.060(A) lets a noise enforcement officer measure sound from inside the…
Maricopa County, AZ: Maricopa County Amplified Sound and Bass Rule
Some RestrictionsIn unincorporated Maricopa County, amplified music and bass-heavy stereo or speaker noise is illegal once it can be heard inside a closed residential structure within 500 feet of the…
Prescott Valley, AZ: Prescott Valley Bass and Vibration Noise Rule
Some RestrictionsThe Town of Prescott Valley, Arizona, has no bass-specific or frequency limit. Town Code § 10-01-070(C)(2)(a) instead bars operating a sound amplification system at any time so that it…
Cities & Counties with Low-Frequency Bass Limits Rules
236 locations
Arizona
Other Noise from Specific Sources Topics
HVAC & Mechanical Noise
Noise limits for air conditioners, heat pumps, pool equipment, and other mechanical systems, including decibel thresholds measured at the property line.
Bar & Nightclub Noise
Noise regulations specific to bars, nightclubs, and entertainment venues, including bass frequency limits, soundproofing requirements, and complaint procedures.
Car Alarm Limits
Maximum duration for car alarms before they must auto-silence, penalties for repeated false alarms, and vehicle towing authority for chronic alarm violations.
Generator Noise
Rules for portable and standby generators, including permitted operating hours, decibel limits, and restrictions during non-emergency use.
Delivery Truck Noise
Time-of-day restrictions on commercial delivery trucks operating in residential zones, including back-up beepers, refrigeration units, and engine idling.
Helicopter Flight Paths
Voluntary altitude and route guidance for helicopters over residential neighborhoods (LA Helicopter Noise Initiative), and complaint reporting tools.
Hospital Helipad Noise
Operating restrictions and noise-mitigation requirements for medical-center helipads, including emergency-flight exemptions and routine-flight curfews.
Airport Engine Run-up
Limits on aircraft engine maintenance run-ups at LAX, Van Nuys, and Bob Hope airports, including run-up enclosure requirements and time-of-day rules.