Perris, CA Noise Ordinances: Aircraft Noise (2026)
Key Facts
- Trigger
- 60 dB CNEL exterior noise or higher
- Interior standard
- 45 dB CNEL or lower
- 76+ dB CNEL
- Residential construction not permitted
- Required filing
- Acoustical report with building permit
- Main noise source
- March Air Reserve Base flight noise
Summary
Near March Air Reserve Base and other noise sources, Perris requires new residential construction in 60+ dB CNEL zones to meet minimum sound-insulation standards under Perris Municipal Code § 16.22.060.
All residential buildings located within a CNEL contour of 60 dB or greater shall be designed to cause isolation against exterior noise with at least a noise level reduction (NLR) that will reduce the exterior noise to an acceptable level...the noise exposure due to exterior sources does not exceed a community noise equivalent level (CNEL) of 45 dB...Range of Exterior CNEL Minimum NLR: 60—65 dB 20 dB;66—70 dB 25 dB;71—75 dB 30 dB;76 + dB Not permitted.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 13).
Full Breakdown
Chapter 16.22 targets residential development near arterials, railroads and airports, including March Air Reserve Base, where exterior noise reaches a community noise equivalent level (CNEL) of 60 dB or more. Builders must design for enough noise level reduction (NLR) that interior noise stays at or below 45 dB CNEL: 20 dB NLR for 60–65 dB sites, 25 dB for 66–70 dB, 30 dB for 71–75 dB, and construction is not permitted at all above 76 dB. Projects need a certified acoustical analysis and design report submitted with the building permit application.
Violations & Fines
Failing to meet the required noise level reduction or skipping the acoustical report is a Title 16 infraction under Perris Municipal Code § 16.24.010, escalating to a misdemeanor after two convictions for the same violation within 12 months.
Frequently Asked Questions
Does Perris require special soundproofing near March Air Reserve Base?
Can I build a house in a 76 dB CNEL noise zone?
Sources & Official References
Other rules in Perris
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