Zone ZeroAbout
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Zone 0 screening

A focused first pass for the five feet closest to the home.

Zone Zero helps users understand visible wildfire risks at the structure edge, then gives them a clear path to fix, rescreen, or escalate when a property needs human review. It is a documentation and screening tool, not an official inspection product.

Why it exists

Insurance renewal workflows and defensible-space expectations create demand for faster visual screening than traditional inspection schedules can support.

Zone Zero is the first pass: fast enough to use from the curb, specific enough to drive action, and clear enough to avoid implying official certification.

How it should feel

  • Simple enough for an on-site homeowner
  • Useful for repeated portfolio screening
  • Direct about uncertainty and local review
  • Grounded in public source guidance
  • Structured like a professional report

We do

  • Screen the 0 to 5 foot perimeter around a structure
  • Return risk summary, hazards, and remediation guidance
  • Save signed-in reports and provide a printable documentation view
  • Help users prepare for cleanup, rescreening, or insurer conversations
  • Keep every report within first-pass screening scope

We do not

  • Replace a certified inspection for complex properties
  • Certify legal compliance
  • Offer generic home safety commentary
  • Hide uncertainty when a photo set is incomplete

Scoped accuracy

The app stays focused on Zone 0 wildfire screening and avoids official clearance claims.

Practical users

Homeowners, property managers, and insurance partners get plain-language next steps.

Fast review

The workflow is designed for a quick first pass from phone camera to usable report.

Visible limits

Complex or uncertain parcels are routed toward local authority or inspector review.

Compliance source posture

The app uses public guidance to frame findings and citations, then routes uncertain or jurisdiction-specific cases toward local fire authority review. Local amendments and insurance-provider requirements may be stricter.

Defensible Space Zones 0, 1, and 2California Board of Forestry and Fire ProtectionAssembly Bill 3074 signing messageOffice of the Governor, State of CaliforniaDefensible Space for Property OwnersCity of San Diego Fire-Rescue DepartmentZone 0 Requirements for New Structures, Standard D-2City of San Diego Fire-Rescue DepartmentZone 0 Guidelines for Existing StructuresCity of San Diego Fire-Rescue DepartmentCalifornia Consumer Privacy Act guidanceCalifornia Department of JusticeApp Privacy DetailsApple DeveloperGoogle Play User Data and Sensitive Permissions PoliciesGoogle PlayDefensible SpaceCAL FIREChapter 7A Materials and Construction MethodsCalifornia Department of General Services, Building Standards CommissionCedar Shingles and ShakesInsurance Institute for Business & Home Safety

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