Wildfire Zones: El Cajon vs Vista
How do wildfire zones rules compare between El Cajon, CA and Vista, CA?
El Cajon has fewer restrictions than Vista.
El Cajon, CA
San Diego County
Portions of eastern El Cajon are mapped in CAL FIRE's Fire Hazard Severity Zones. Properties in these areas must maintain defensible space of 100 feet under PRC 4291. Heartland Fire & Rescue enforces vegetation management and provides annual inspections in wildfire-prone areas.
View full El Cajon rules →Vista, CA
San Diego County
Portions of Vista are designated as Wildland-Urban Interface (WUI) zones, requiring enhanced fire-resistant construction, defensible space clearance, and vegetation management. Vista Fire Department enforces these standards under California Fire Code and local amendments.
View full Vista rules →Key Facts Comparison
| Fact | El Cajon | Vista |
|---|---|---|
| Fire Hazard Zones | Eastern hillsides — Moderate to High | - |
| Defensible Space | 100 feet required (PRC 4291) | 100 ft required (PRC 4291) |
| Zone 1 | 0-30 ft — lean/clean/green | - |
| Zone 2 | 30-100 ft — reduced vegetation | - |
| Fire Agency | Heartland Fire & Rescue | - |
| Fire Zones | - | VHFHSZ in eastern hillsides |
| Zone 1 Clearance | - | 0–30 ft lean, clean, green |
| New Construction | - | CBC Chapter 7A fire-resistant |
| Contact | - | Vista Fire (760) 643-5400 |
Highlighted rows indicate differences between cities.
El Cajon FAQ
Is my El Cajon property in a wildfire zone?
Portions of eastern El Cajon are in CAL FIRE Fire Hazard Severity Zones. Check CAL FIRE's Fire Hazard Severity Zone maps or contact Heartland Fire & Rescue to determine your property's designation.
What is required for defensible space?
Under PRC 4291, maintain 100 feet of defensible space. Zone 1 (0-30 feet) requires short, well-watered vegetation. Zone 2 (30-100 feet) requires reduced and spaced vegetation to slow fire spread.
Who inspects wildfire compliance in El Cajon?
Heartland Fire & Rescue conducts annual inspections in fire hazard areas and issues notices for non-compliant vegetation management.
Vista FAQ
Is my Vista property in a wildfire zone?
Eastern hillside areas and properties near open space in Vista may be in Very High Fire Hazard Severity Zones. Contact Vista Fire at (760) 643-5400 or check CAL FIRE's FHSZ maps.
How much defensible space is required in Vista?
Properties in fire hazard zones must maintain 100 feet of defensible space: Zone 1 (0–30 ft) lean, clean, and green; Zone 2 (30–100 ft) fuel reduction and plant spacing.
Does wildfire zoning affect building permits in Vista?
Yes. New construction and major remodels in WUI zones must comply with CBC Chapter 7A fire-resistant standards for roofing, walls, windows, and decks.
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