Brush Clearance: Fullerton vs Irvine
How do brush clearance rules compare between Fullerton, CA and Irvine, CA?
Fullerton and Irvine have similar restriction levels.
Fullerton, CA
Orange County
Fullerton requires property owners to maintain defensible space by clearing dry vegetation. The Fullerton Fire Department enforces vegetation management standards, particularly in hillside areas and the wildland-urban interface.
View full Fullerton rules →Irvine, CA
Orange County
Irvine enforces vegetation management under IMC Title 4, Division 4 (Fire) and the California Fire Code. Properties in Fire Hazard Severity Zones must maintain 100 feet of defensible space per California PRC Section 4291.
View full Irvine rules →Key Facts Comparison
| Fact | Fullerton | Irvine |
|---|---|---|
| Requirement | Remove dry brush and vegetation | - |
| Focus Areas | Hillsides, wildland-urban interface | - |
| Inspections | Fire Department seasonal inspections | - |
| Open Burning | Prohibited (SCAQMD Rule 444) | - |
| Code Section | FMC Chapter 13.20 | - |
| Defensible Space | - | 100 ft in FHSZ areas |
| Zone 1 | - | 0-30 ft: remove dead vegetation |
| Zone 2 | - | 30-100 ft: reduce density |
| FHSZ Map Updated | - | 2025 (expanded areas) |
| Enforcement | - | OCFA |
Highlighted rows indicate differences between cities.
Fullerton FAQ
What are the brush clearance requirements in Fullerton?
Property owners must remove dry brush, dead vegetation, and combustible materials around structures under FMC Chapter 13.20. Hillside properties face enhanced requirements.
Can I burn cleared vegetation?
No. Open burning is prohibited in the South Coast Air Basin under SCAQMD Rule 444. Cleared vegetation must be disposed of through composting or yard waste collection.
Does the city inspect for brush clearance?
Yes. The Fullerton Fire Department conducts seasonal inspections, particularly in hillside and wildland-urban interface areas.
Irvine FAQ
Is my Irvine property in a fire hazard zone?
Irvine updated its FHSZ maps in 2025. Check the city's Fire Hazard Severity Zone Map to see if your property is in a Moderate, High, or Very High zone.
How much brush clearance is required?
Properties in FHSZ areas must maintain 100 feet of defensible space, with stricter requirements in the first 30 feet from structures.
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