Noise Ordinances in Castro Valley, CA (2026)
1 verified noise ordinances for Castro Valley, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Castro Valley is unincorporated Alameda County, so noise is governed by Alameda County Code Chapter 6.60. Section 6.60.050 prohibits any radio, stereo, audio equipment, musical instrument, or device producing sound that is plainly audible at 50 feet from the source at any hour. Decibel limits in Tables 6.60.040A and 6.60.040B apply to residential and commercial zones.
Castro Valley, CA Quiet Hours
Some RestrictionsLooking for Alameda County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Castro Valley city rules.
Noise Ordinances in Alameda County →