Brush Clearance: Altadena vs Glendale
How do brush clearance rules compare between Altadena, CA and Glendale, CA?
Altadena and Glendale have similar restriction levels.
Altadena, CA
Los Angeles County
Altadena is largely in a Very High Fire Hazard Severity Zone. LA County Fire requires year-round brush clearance within 200 feet of any structure and 10 feet of combustible fences and roadways.
View full Altadena rules →Glendale, CA
Los Angeles County
Glendale enforces 100 ft defensible space per CA PRC 4291 in fire hazard zones. Zone 1 (0-30 ft) requires lean/clean/green vegetation. Zone 2 (30-100 ft) requires reduced vegetation. Annual inspections conducted by Glendale Fire.
View full Glendale rules →Key Facts Comparison
| Fact | Altadena | Glendale |
|---|---|---|
| Defensible Space | 200 ft around structures | - |
| Fence/Driveway Clearance | 10 ft | - |
| Grass Height | ≤ 3 inches | - |
| Tree Limb Up | ≥ 6 ft above ground | - |
| Authority | LA County Fire Code Title 32 + PRC 4291 | - |
| Clearance | - | 100 ft defensible space |
| Zone 1 | - | 0-30 ft lean/clean/green |
| Zone 2 | - | 30-100 ft reduced vegetation |
| State Law | - | CA PRC 4291 |
Highlighted rows indicate differences between cities.
Altadena FAQ
How much brush clearance is required in Altadena?
200 feet of defensible space around any structure if you are in a Very High Fire Hazard Severity Zone, per LA County Fire and California PRC 4291.
Glendale FAQ
How much brush clearance is required in Glendale?
Properties in fire hazard zones must maintain 100 feet of defensible space around structures per California law and Glendale's VMP.
What if I don't clear my brush?
The city may perform abatement and bill you. Repeat non-compliance can result in fines and property liens.
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