Zone Zero San Diego / San Ysidro
City of San Diego Neighborhood

Zone Zero Requirements in San Ysidro

The first question is whether this parcel is in the City of San Diego or unincorporated county. San Ysidro is a City of San Diego neighborhood, so San Diego Fire-Rescue is the local authority and the city's phased Zone 0 dates apply — not the county's 2023 rule, and not a statewide law. As of September 19, 2026 there is no statewide Zone 0 regulation in force in California. City of San Diego neighborhood, dense urban border community.
San Ysidro At A Glance

The local snapshot

San Diego Fire-Rescue Department
Authority Having Jurisdiction
City of San Diego
Governance type
City of San Diego neighborhood, dense urban border community
Community type
Very High FHSZ
San Ysidro's canyon-edge and hillside parcels carry Very High designations; the dense urban core near the border crossing generally does not
Who Enforces It Here

San Diego Fire-Rescue Department

San Ysidro, the southernmost neighborhood in the City of San Diego, sits under San Diego Fire-Rescue's Community Risk Reduction Division for Zone Zero enforcement.

Why It Matters Here

San Ysidro's own fire record

San Ysidro is one of the most urban neighborhoods on this list, but its eastern hillside edges still border canyon terrain that carries the same wildland exposure as canyon-adjacent neighborhoods elsewhere in the city. The contrast between the dense border-crossing core and the hillside edges makes address-specific confirmation especially important here.

San Diego Fire-Rescue, South Bay Coverage

San Diego Fire-Rescue's South Bay stations cover San Ysidro alongside neighboring Otay Mesa and Ocean View Hills as part of the department's southernmost coverage area within city limits.

Common Questions

Quick answers for San Ysidro homeowners

Is San Ysidro at wildfire risk despite being such an urban area?

Parts of it, yes. The dense border-crossing core carries low wildfire risk, but eastern hillside and canyon-edge parcels carry Very High Fire Hazard Severity Zone designations.

Who enforces Zone Zero in San Ysidro?

San Diego Fire-Rescue, the same department that covers the rest of the City of San Diego.

How do I know if my San Ysidro property is affected?

Check your specific address against the current CAL FIRE hazard maps to confirm whether Zone Zero applies to your parcel.

Find out what your San Ysidro property needs

Send a request and the team will follow up by email. Prevention in the first five feet is effective, practical, and something you can start now.

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Request a follow-up for your San Ysidro property

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