Brush Clearance: Altadena vs Pomona
How do brush clearance rules compare between Altadena, CA and Pomona, CA?
Altadena and Pomona 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 →Pomona, CA
Los Angeles County
Pomona enforces vegetation clearance under CA PRC Section 4291. Properties in fire hazard severity zones must maintain 100 ft of defensible space. Zone 1 (0-30 ft) lean/clean/green, Zone 2 (30-100 ft) reduce and remove.
View full Pomona rules →Key Facts Comparison
| Fact | Altadena | Pomona |
|---|---|---|
| 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 | - |
| State Law | - | CA PRC Section 4291 |
| Zone 1 | - | 0-30 ft: lean, clean, green |
| Zone 2 | - | 30-100 ft: reduce and remove |
| Enforcement | - | LA County Fire / Code Compliance |
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.
Pomona FAQ
Do I need to clear brush on my Pomona property?
Yes. Tall, dead, diseased, or overgrown vegetation is prohibited. Property owners must maintain landscaping year-round.
What is the clearance requirement near roads?
The Fire Code requires 10 feet of clearance on each side of roads to be kept free of flammable vegetation.
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