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AB-38 · San Diego County (unincorporated)

AB-38 defensible space inspection in San Diego County (unincorporated).

AB-38 defensible space inspections in unincorporated San Diego County — the State Responsibility Area backcountry and who to contact.

By FireReadyHome Editorial Team · Updated June 14, 2026 · 5–8 minute read

Does AB-38 apply when selling in San Diego County (unincorporated)?

Under Assembly Bill 38 (AB-38), selling a home in a California High or Very High Fire Hazard Severity Zone requires documentation of a compliant defensible space inspection before close of escrow. Unincorporated San Diego County is largely State Responsibility Area, where CAL FIRE’s San Diego Unit and San Diego County Fire share wildfire responsibility and the county maps Very High, High, and Moderate zones. In the SRA, AB-38 applies in both High and Very High zones, and the responsible inspector depends on which fire agency or district covers the parcel.

The 2007 Witch Creek and Harris fires burned roughly 288,000 acres across the county with about 1,650 structures lost; the 2003 Cedar Fire burned 280,278 acres countywide.

Whether AB-38 applies to a specific San Diego County (unincorporated) property depends on that parcel's Fire Hazard Severity Zone designation. The fastest way to confirm is to look up the address on the official Fire Hazard Severity Zone map — and our free readiness check flags it from your address as well.

Important: confirm your agency first

Many unincorporated communities are served by independent local fire protection districts (for example Lakeside and Rancho Santa Fe), each with its own inspection process and fee — confirm which agency covers your specific parcel. Getting this wrong is the most common way a San Diego County (unincorporated)-area sale stalls — confirm the responsible agency before you request anything.

Who runs the inspection in San Diego County (unincorporated)

San Diego County (unincorporated)'s defensible space inspections are run by the San Diego County Fire / CAL FIRE San Diego Unit. As State Responsibility Area land, AB-38 applies here in both High and Very High Fire Hazard Severity Zones. Note that San Diego County (unincorporated) publishes an annual/area inspection program rather than a separate seller-requested point-of-sale product, so the practical step is to contact the agency directly and confirm how to obtain the AB-38 compliance documentation your sale needs.

How to request an AB-38 inspection in San Diego County (unincorporated)

To contact San Diego County Fire Prevention or your local fire protection district to arrange a defensible space inspection.

Programs, fees, and contacts change — always confirm the current process on the official agency page before scheduling.

What it costs in San Diego County (unincorporated)

The AB-38 inspection fee for San Diego County (unincorporated) is not separately published — confirm the current fee directly with the San Diego County Fire. Confirm the fee and process with San Diego County Fire or your local fire protection district before scheduling.

What's specific to San Diego County (unincorporated)

  • In the SRA, AB-38 applies in both High AND Very High Fire Hazard Severity Zones.
  • There is no single county-wide point-of-sale portal — the right contact depends on your fire protection district, so confirm before listing.

The timeline that trips sellers up

Under AB-38, the compliance documentation must come from an inspection completed within six months of the sales contract, and the seller delivers it to the buyer before close of escrow. If a passing document can't be obtained in time, AB-38 lets the buyer and seller sign a written agreement in which the buyer takes on obtaining compliance documentation within one year of closing — but that shifts the cost to the buyer and usually shows up in the negotiated price. The clean path is to request the inspection at listing, not in escrow.

How to pass the first time in San Diego County (unincorporated)

  1. Run the free 12-item Zone 0 check before the inspector visits — it covers the items inspectors flag first. Start the check →
  2. Clear the first 5 feet: combustible mulch, woodpiles, attached wood fencing, and dead container plants against the wall are the most-cited deficiencies.
  3. Clean roof and gutters — the most visible item on any inspection.
  4. Handle dead vegetation across the whole property — PRC §4291 covers the full 100 feet, not just Zone 0.
  5. Request the San Diego County Fire inspection early so a deficiency list still leaves time to remediate and re-inspect inside the six-month window.

Related guides


Sources: AB 38 (Wood, 2019); California Civil Code §1102.6f and §1102.19; California Public Resources Code §4291; Office of the State Fire Marshal Fire Hazard Severity Zone maps; sandiegocounty.gov; fire.ca.gov. Verify the current process with the agency before scheduling.

Frequently asked questions

Who performs AB-38 defensible space inspections in San Diego County (unincorporated)?
Defensible space inspections in San Diego County (unincorporated) are run by the San Diego County Fire / CAL FIRE San Diego Unit. San Diego County (unincorporated) does not publish a separate seller-requested AB-38 product, so contact the agency to confirm how to obtain compliance documentation for a sale. Unincorporated San Diego County is largely State Responsibility Area, where CAL FIRE’s San Diego Unit and San Diego County Fire share wildfire responsibility and the county maps Very High, High, and Moderate zones. In the SRA, AB-38 applies in both High and Very High zones, and the responsible inspector depends on which fire agency or district covers the parcel.
How do I request an AB-38 inspection in San Diego County (unincorporated)?
To contact San Diego County Fire Prevention or your local fire protection district to arrange a defensible space inspection. Always confirm the current process on the official agency page before scheduling, as programs and contacts change.
How long is an AB-38 inspection valid in San Diego County (unincorporated)?
Under AB-38, the compliance documentation must come from an inspection completed within six months of the sales contract; older reports do not qualify.
How much does an AB-38 inspection cost in San Diego County (unincorporated)?
The AB-38 inspection fee for San Diego County (unincorporated) is not separately published — confirm the current fee directly with the San Diego County Fire. Confirm the fee and process with San Diego County Fire or your local fire protection district before scheduling.

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