Decibel Limits: Oxnard vs Port Hueneme

What are the noise limits in unincorporated Ventura County?

Residential zones: 55 dBA daytime (7 AM-10 PM) and 45 dBA nighttime (10 PM-7 AM). Commercial zones: 65/55 dBA. Industrial zones: 70/60 dBA. All measured at the receiving property line.

How are noise levels measured?

Using the A-weighted decibel scale (dBA) at the receiving property line. Impulsive sounds like hammering may exceed the steady-state limit by up to 5 dBA. The county may use sound level meters or rely on subjective reasonableness standards.

Are there exemptions to decibel limits?

Emergency vehicles, public safety operations, and established agricultural operations under the Right to Farm Act are exempt. Construction during permitted hours has separate noise allowances. Special event permits may temporarily increase allowable levels.

What are the decibel limits in Port Hueneme?

Residential zones have approximate limits of 55 dBA during the day and 45 dBA at night, measured at the property line. Commercial zones allow higher levels.

How are noise levels measured?

Code enforcement or police use calibrated sound level meters at the property line of the complaining party to measure sustained noise levels.

Are there exemptions to decibel limits?

Yes. Emergency vehicles, construction during permitted hours, and federal military operations at Naval Base Ventura County are exempt from local decibel limits.