Wildfire Zones: Costa Mesa vs Midway City
How do wildfire zones rules compare between Costa Mesa, CA and Midway City, CA?
Costa Mesa and Midway City have similar restriction levels.
Costa Mesa, CA
Orange County
Unincorporated Orange County contains extensive Very High Fire Hazard Severity Zones (VHFHSZ) as designated by CAL FIRE and adopted by the Board of Supervisors via Ordinance No. 25-015. Canyon and hillside communities face the strictest building and vegetation management requirements.
View full Costa Mesa rules →Midway City, CA
Orange County
Unincorporated Orange County contains extensive Very High Fire Hazard Severity Zones (VHFHSZ) as designated by CAL FIRE and adopted by the Board of Supervisors via Ordinance No. 25-015. Canyon and hillside communities face the strictest building and vegetation management requirements.
View full Midway City rules →Key Facts Comparison
| Fact | Costa Mesa | Midway City |
|---|---|---|
| Ordinance | No. 25-015 (Aug 2025) | No. 25-015 (Aug 2025) |
| Zones | Very High, High, Moderate | Very High, High, Moderate |
| Building Code | CBC Ch. 7A / CRC R327 | CBC Ch. 7A / CRC R327 |
| Disclosure Required | CC §1103 NHD Statement | CC §1103 NHD Statement |
| VHFHSZ Areas | Canyon communities | Canyon communities |
Highlighted rows indicate differences between cities.
Costa Mesa FAQ
Is my unincorporated Orange County property in a wildfire zone?
Check the OC Fire Hazard Severity Zones Map adopted under Ordinance No. 25-015. Most canyon and hillside communities (Trabuco Canyon, Silverado, Modjeska, Santiago Canyon) are classified as Very High Fire Hazard Severity Zones.
What building requirements apply in Orange County wildfire zones?
Properties in Very High Fire Hazard Severity Zones must use fire-resistive construction per California Building Code Chapter 7A, including ignition-resistant materials, ember-resistant vents, and fire-rated roofing.
Midway City FAQ
Is my unincorporated Orange County property in a wildfire zone?
Check the OC Fire Hazard Severity Zones Map adopted under Ordinance No. 25-015. Most canyon and hillside communities (Trabuco Canyon, Silverado, Modjeska, Santiago Canyon) are classified as Very High Fire Hazard Severity Zones.
What building requirements apply in Orange County wildfire zones?
Properties in Very High Fire Hazard Severity Zones must use fire-resistive construction per California Building Code Chapter 7A, including ignition-resistant materials, ember-resistant vents, and fire-rated roofing.
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