Noise Ordinances in Rancho Cucamonga, CA (2026)
9 verified noise ordinances for Rancho Cucamonga, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Rancho Cucamonga enforces quiet hours under Municipal Code Chapter 8.17. Nighttime hours are 10 PM to 7 AM, with exterior sound capped at roughly 45 dBA at residential property lines.
Rancho Cucamonga Quiet Hours
Some RestrictionsConstruction Hours
Rancho Cucamonga restricts construction under Chapter 8.17. Allowed hours run 6:30 AM to 8 PM Monday through Saturday, with Sunday and federal holidays prohibited.
Rancho Cucamonga Construction Hours
Some RestrictionsBarking Dogs
Rancho Cucamonga regulates barking under Chapter 8.17 and Title 6. A dog barking continuously for 20 minutes or intermittently for 60 minutes is a public nuisance.
Rancho Cucamonga Barking Dog Rules
Some RestrictionsLeaf Blower Rules
Rancho Cucamonga regulates leaf blower use through Chapter 8.17 noise limits and follows California AB 1346, which banned the sale of new gas-powered blowers in 2024.
Rancho Cucamonga Leaf Blower Rules
Some RestrictionsAmplified Music & Events
Amplified music in Rancho Cucamonga is regulated under Chapter 8.17. Sound audible beyond the property line at night, or exceeding residential dBA limits by day, is prohibited.
Rancho Cucamonga Amplified Music Rules
Some RestrictionsAircraft Noise
Aircraft noise in Rancho Cucamonga is regulated by the FAA, not the city. Ontario International Airport, about 3 miles south, operates under an FAR Part 150 noise program.
Rancho Cucamonga Aircraft Noise
Few RestrictionsIndustrial Noise
Industrial noise in Rancho Cucamonga is regulated under Chapter 8.17. Industrial zones allow about 70 dBA by day but must still protect adjacent homes at night.
Rancho Cucamonga Industrial Noise
Some RestrictionsDecibel Limits
Rancho Cucamonga Municipal Code Chapter 8.17 sets exterior decibel limits by receiving land use. Residential zones are capped around 55 dBA day (7 AM-10 PM) and 45 dBA night (10 PM-7 AM) at the property line.
Rancho Cucamonga Decibel Limits
Some RestrictionsOutdoor Music
Outdoor music in Rancho Cucamonga is allowed under Chapter 8.17 during daytime with dBA limits at the property line. Commercial venues require a conditional use permit.
Rancho Cucamonga Outdoor Music
Some RestrictionsLooking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rancho Cucamonga city rules.
Noise Ordinances in San Bernardino County →