Wildfire Zones: Bostonia vs Escondido
How do wildfire zones rules compare between Bostonia, CA and Escondido, CA?
Bostonia and Escondido have similar restriction levels.
Bostonia, CA
San Diego County
Much of unincorporated San Diego County is designated as a Very High Fire Hazard Severity Zone (VHFHSZ) by CAL FIRE. Properties in these zones must meet enhanced building standards, defensible space requirements, and fire-resistant landscaping per the County's Consolidated Fire Code.
View full Bostonia rules →Escondido, CA
San Diego County
High/Very High Fire Hazard Severity Zones per 2025 CWPP. 50-ft Zone 1 clearance (SD County). AB-38 fire inspections for real estate. CBC Ch. 7A standards.
View full Escondido rules →Key Facts Comparison
| Fact | Bostonia | Escondido |
|---|---|---|
| Designation | CAL FIRE Very High Fire Hazard Severity Zone | - |
| Building Code | CBC Chapter 7A — exterior wildfire exposure | - |
| Materials | Fire-resistant roofing, walls, windows, decking | - |
| Defensible Space | 100 ft required (Zones 0/1/2) | - |
| Authority | County Fire Authority reviews permits | - |
| CWPP | - | 2025 |
| Zone 1 | - | 50 ft (SD County) |
| AB-38 | - | Real estate inspections |
| Construction | - | CBC Ch. 7A |
| Fire | - | 760-839-5400 |
Highlighted rows indicate differences between cities.
Bostonia FAQ
Is my property in a wildfire zone in San Diego County?
Many properties in unincorporated San Diego County are in Very High Fire Hazard Severity Zones. Check the CAL FIRE Fire Hazard Severity Zone map or contact County Planning & Development Services with your property address.
What building materials are required in wildfire zones?
Properties in VHFHSZ must use fire-resistant roofing (Class A), ignition-resistant exterior walls, tempered or multi-pane windows, and non-combustible decking materials per California Building Code Chapter 7A.
Do wildfire zone requirements apply to existing homes?
Existing homes are generally grandfathered but must comply with defensible space requirements. Major remodels, additions, or roof replacements trigger compliance with current fire-resistant building standards.
Escondido FAQ
In a fire zone?
Check escondido.gov/528/Fire-Severity-Zone.
Defensible space?
50 ft clearance Zone 1, reduced density to 100 ft.
Need inspection to sell?
Yes in High/Very High zones per AB-38.
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