Noise from Specific Sources in Riverside County, CA (2026)
4 county-level rules, plus city-specific rules for 5 cities in Riverside County, California.
Verified from official government sources
HVAC & Mechanical Noise
Riverside County's noise ordinance exempts heating and air conditioning equipment outright from the decibel limits and nighttime curfews in Chapter 9.52. Section 9.52.020(L) lists 'heating and air conditioning equipment' among sixteen categories of sound the chapter never regulates, so an HVAC unit's operating noise cannot be cited under the county's Table 1 sound-level standards no matter how loud or how late it runs.
Riverside County HVAC Equipment Noise Exemption
Few RestrictionsRiverside County Code § 9.52.020(L)
Sound emanating from the following sources is exempt from the provisions of this chapter: ... K.Motor vehicles, other than off-highway vehicles. This exemption does not include sound emanating from motor vehicle sound systems;L.Heating and air conditioning equipment;M.Safety, warning and alarm devices, including, but not limited to, house and car alarms, and other warning devices that are desig...
Bar & Nightclub Noise
Bars and venues in unincorporated Riverside County must silence sound-amplifying equipment and live music by 10 p.m. and keep it under 200 feet audible otherwise.
Riverside County Live Music & Amp Noise Curfew
Some RestrictionsRiverside County Code § 9.52.060.D
Sound-Amplifying Equipment and Live Music. No person shall install, use or operate sound-amplifying equipment, or perform, or allow to be performed, live music unless such activities comply with the following requirements... 1. Sound-amplifying equipment or live music is prohibited between the hours of ten p.m. and eight a.m. 2. Sound emanating from sound-amplifying equipment or live music at a...
Car Alarm Limits
Riverside County's noise ordinance exempts safety, warning and alarm devices, including house and car alarms, from every decibel limit and daytime/nighttime standard in Chapter 9.52. Section 9.52.020(M) carves out alarms because they are 'designed to protect the public health, safety, and welfare,' so a car alarm sounding off does not violate the county noise code.
Riverside County Car Alarm Noise Exemption
Few RestrictionsRiverside County Code § 9.52.020(M)
Sound emanating from the following sources is exempt from the provisions of this chapter: ... K.Motor vehicles, other than off-highway vehicles. This exemption does not include sound emanating from motor vehicle sound systems;L.Heating and air conditioning equipment;M.Safety, warning and alarm devices, including, but not limited to, house and car alarms, and other warning devices that are desig...
Generator Noise
In unincorporated Riverside County, a generator can't be audible inside a neighbor's home between 10 p.m. and 8 a.m., or heard from more than 100 feet away at any other hour, under the county noise ordinance's power-equipment standard.
Riverside County Generator Noise Limits
Some RestrictionsRiverside County Code § 9.52.060(B)
No person shall operate any power tools or equipment between the hours of ten p.m. and eight a.m. such that the power tools or equipment are audible to the human ear inside an inhabited dwelling other than a dwelling in which the power tools or equipment may be located. No person shall operate any power tools or equipment at any other time such that the power tools or equipment are audible to t...
Noise from Specific Sources by City in Riverside County
5 cities in Riverside County have their own noise from specific sources rules. Each link goes to that city's dedicated page with code citations.
1 verified rule • Bar & Nightclub Noise
1 verified rule • HVAC & Mechanical Noise
4 verified rules • Bar & Nightclub Noise, Car Alarm Limits
2 verified rules • Bar & Nightclub Noise, Car Alarm Limits
2 verified rules • Car Alarm Limits, Delivery Truck Noise
All Riverside County ordinances
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