Redlands, CA Noise Ordinances: Vehicle Noise (2026)
Key Facts
- Muffler standard
- Cal. Vehicle Code § 27150
- Noise level standard
- Cal. Vehicle Code § 23130
- Governing sections
- Redlands City Code §§ 10.60.090, .100
- Exempt vehicles
- Authorized emergency vehicles
- Vehicle stereo curfew
- 10 PM-7 AM, § 8.06.090(B)
Summary
Redlands Municipal Code section 10.60.100 requires every motor vehicle operated in the city to carry a working spark arrester and muffler meeting California Vehicle Code section 27150, and section 10.60.090 separately bans operating a vehicle above the noise level set in Vehicle Code section 23130. A vehicle stereo audible outside the car can also trigger the general noise curfew.
SPARK ARRESTER AND MUFFLER REQUIRED: Any motor vehicle operated on property within the city of Redlands shall be equipped with a spark arrester and muffler as defined in section 27150 of the Vehicle Code of the state of California. No person shall operate a motor vehicle unless it is so equipped with a spark arrester and muffler.
Full Breakdown
60, Miscellaneous Traffic Provisions, contains Redlands' operative vehicle noise rules. 100 requires that any motor vehicle operated on property within the city be equipped with a spark arrester and muffler as defined in California Vehicle Code section 27150, and makes it unlawful to operate a vehicle that is not so equipped. 090 separately prohibits operating a motor vehicle on city land or premises in a way that makes sounds exceeding the noise level set by Vehicle Code section 23130, incorporating the state's numeric standard directly into city law.
110 exempts authorized emergency vehicles and vehicles operating on parking lots or structures open to the public from both the muffler and noise-level requirements. 030. The code does not have a distinct engine-brake or compression-brake ordinance; loud exhaust noise from any vehicle is instead addressed through the muffler and Vehicle Code sections above.
Violations & Fines
Operating a motor vehicle in Redlands without a functioning muffler and spark arrester, or above the state noise level set in Vehicle Code section 23130, violates section 10.60.090 or 10.60.100. A vehicle stereo audible outside the car during the 10:00 P.M. to 7:00 A.M. curfew can also be cited as a noise disturbance under section 8.06.090(B), enforceable as an infraction or misdemeanor under section 8.06.140.
Frequently Asked Questions
Do I need a muffler on my car in Redlands?
Is there a separate rule for loud vehicle stereos?
Does Redlands ban engine or compression brakes specifically?
Sources & Official References
Other rules in Redlands
California rules heatmap·Compare Redlands to another location·View the California noise ordinances overview
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