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Temecula, CA Noise from Specific Sources: Car Alarm Limits (2026)

Few Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Status
Fully exempt from noise chapter
Section
Temecula Municipal Code § 9.20.030(J)
Time limit
None
Decibel limit
None; Tables N-1/N-2 do not apply
Enforcement
No noise-code remedy available

Summary

Temecula Municipal Code Section 9.20.030(J) exempts house and car alarms from every rule in the citywide noise chapter. A vehicle alarm can sound without violating Chapter 9.20, because the code treats warning and safety devices as categorically outside the general sound level standards of Section 9.20.040.

Sound emanating from the following sources is exempt from the provisions of this chapter: ... J. Safety, warning and alarm devices, including, but not limited to, house and car alarms, and other warning devices that are designed to protect the public health, safety, and welfare.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4862229; v11 updated 2026-04-14).

Full Breakdown

060. 060 that apply to audio equipment and power tools. , and heating and air conditioning equipment. 20; the exemption is not conditioned on a time limit, a decibel cap, or how long the alarm runs. Any remedy for a malfunctioning or chronically triggered vehicle alarm would have to come from a different legal theory, such as a private nuisance claim, rather than from the city's noise code.

Violations & Fines

Because Section 9.20.030(J) exempts car and house alarms outright, there is no citation, fine, or misdemeanor exposure under Chapter 9.20 for an alarm sounding at any hour or volume. Temecula's noise enforcement officials under Section 9.20.080, including police and code enforcement, have no authority to act against an alarm under this chapter regardless of how long it runs or how many neighbors complain.

Frequently Asked Questions

Can my neighbor's car alarm violate Temecula's noise ordinance?
No. Municipal Code Section 9.20.030(J) exempts house and car alarms and other warning devices from every provision of Chapter 9.20, the citywide noise ordinance. No matter how loud or how long the alarm sounds, it cannot be cited under the general sound level standards in Section 9.20.040 or the nighttime restrictions in Section 9.20.060.
Does the 10 p.m. to 7 a.m. quiet period in Temecula apply to car alarms?
No. The nighttime restriction on audio equipment and power tools in Section 9.20.060(A) and (B) governs devices like stereos and power saws, not alarms. Section 9.20.030(J) removes safety, warning and alarm devices, including car and house alarms, from the entire noise chapter, so the 10 p.m. cutoff never reaches them.
What can I do if a car alarm keeps going off at night in Temecula?
Chapter 9.20 gives code enforcement no authority to act, since Section 9.20.030(J) exempts alarms entirely. Residents typically contact the vehicle owner directly or, if the vehicle is abandoned or parked illegally, ask police to address it under vehicle codes unrelated to noise. The noise ordinance itself provides no fine or citation path for a triggering alarm.

Sources & Official References

Other rules in Temecula

Fence Regulations: Height LimitsSome RestrictionsParking Rules: RV & Boat ParkingSome RestrictionsBar & Nightclub NoiseSignificant RestrictionsFence Regulations: Retaining WallsSome RestrictionsFence Regulations: Material RestrictionsSome RestrictionsFence Regulations: Fence Permit RequirementsSome RestrictionsAnimal Ordinances: Pet Groomer RulesSome Restrictions

All Temecula rules

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