Folsom vs Isleton
How do wildfire zones rules compare between Folsom, CA and Isleton, CA?
Isleton has fewer restrictions than Folsom.
Folsom, CA
Sacramento County
Folsom's east and south hills contain CAL FIRE-designated Very High Fire Hazard Severity Zones due to foothill terrain, grassland fuels, and proximity to Folsom Lake State Recreation Area. Homes in these zones face enhanced building codes (Chapter 7A), defensible space requirements, and insurance challenges under CA FAIR Plan.
View full Folsom rules →Isleton, CA
Sacramento County
Isleton is not mapped as a Very High Fire Hazard Severity Zone, but the surrounding Delta islands and dry grasslands create real wildfire exposure. CAL FIRE Amador-El Dorado Unit is the state fire authority.
View full Isleton rules →Key Facts Comparison
| Fact | Folsom | Isleton |
|---|---|---|
| Zone Type | VHFHSZ (east/south hills) | - |
| Building Code | CBC Chapter 7A | Ch 7A if locally designated |
| Disclosure | AB 38 at sale | - |
| Zone 0 | AB 3074 ember zone | - |
| Insurance | CA FAIR Plan common | - |
| FHSZ Status | - | Not VHFHSZ |
| Surrounding Risk | - | Delta grass fires |
| State Agency | - | CAL FIRE AEU |
| Evacuation | - | Hwy 160 primary route |
Highlighted rows indicate differences between cities.
Folsom FAQ
Where are Folsom's Very High Fire Hazard Zones?
Primarily the east and south foothill neighborhoods bordering open space and Folsom Lake SRA. Check the CAL FIRE FHSZ viewer with your address for an official determination.
Do I need to retrofit my older Folsom home to Chapter 7A?
No. Chapter 7A applies to new construction and substantial remodels in VHFHSZ. However, defensible space requirements (PRC §4291) apply to all homes in the zone regardless of age.
Isleton FAQ
Is Isleton in a Very High Fire Hazard Severity Zone?
No. The city is not currently mapped as VHFHSZ, though surrounding Delta lands can still produce wildland fires.
What is the primary evacuation route?
Highway 160 along the Sacramento River levee is the main evacuation corridor.
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