Aircraft Noise: Costa Mesa vs Orange
How do aircraft noise rules compare between Costa Mesa, CA and Orange, CA?
Costa Mesa and Orange have similar restriction levels.
Costa Mesa, CA
Orange County
Costa Mesa is within the Airport Environs Land Use Plan for John Wayne Airport (SNA), which operates under departure noise limits and a voluntary nighttime curfew. The city enforces sound insulation requirements for new construction in noise impact zones.
View full Costa Mesa rules →Orange, CA
Orange County
The City of Orange is affected by aircraft operations from John Wayne Airport (SNA). Flight paths and noise levels are regulated by FAA and the Airport Environs Land Use Plan. The city has no direct authority to regulate aircraft noise but participates in airport noise programs.
View full Orange rules →Key Facts Comparison
| Fact | Costa Mesa | Orange |
|---|---|---|
| Primary Airport | John Wayne (SNA) — 2 miles SE | - |
| Departure Curfew | 11 PM – 7 AM voluntary | - |
| Noise Limit | 89.5 dBA single-event departure | - |
| Sound Insulation Zone | 65+ CNEL contour | - |
| Noise Complaints | (949) 252-5185 JWA office | - |
| Airport | - | John Wayne (SNA) — 5 mi south |
| Night Curfew | - | 10 PM – 7 AM (most flights) |
| City Authority | - | None over aircraft noise |
| Complaints | - | File with JWA noise program |
Highlighted rows indicate differences between cities.
Costa Mesa FAQ
Does Costa Mesa have an airport noise curfew?
John Wayne Airport has a voluntary curfew restricting commercial departures from 11 PM to 7 AM. This is not a Costa Mesa ordinance but an airport Settlement Agreement provision.
Where do I file an aircraft noise complaint in Costa Mesa?
Contact the John Wayne Airport Noise Information Office at (949) 252-5185 or file online through the JWA website noise complaint system.
Does airport noise affect building permits in Costa Mesa?
Yes. Properties within the 65+ CNEL noise contour must meet sound insulation standards under the AELUP before building permits are issued.
Orange FAQ
How do I complain about aircraft noise in Orange?
File complaints directly with John Wayne Airport's noise monitoring program at ocair.com. The city does not have authority to regulate aircraft noise.
Does JWA have a nighttime curfew?
Yes. Most commercial departures are prohibited between 10 PM and 7 AM under JWA's noise abatement procedures.
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