ZIP code 92602

Orange County, including Irvine

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Report created October 27, 2026 at www.firezones.info/zip/92602

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    74% Very High

    Most of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    80% has burned

    Most recently the 2020 Silverado Fire, which burned 6,469 acres here, one of 12 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    50% Extreme

    Utilities may shut off power in the CPUC High Fire-Threat District in fire weather, and homes outside it can lose power when their lines run through it.

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Land by hazard class

  1. Very High 7,174 acres · 3,992 state, 3,182 local 74%
  2. High 257 acres · Local Responsibility Area 3%
  3. Moderate 194 acres · Local Responsibility Area 2%
  4. Non-wildland 2,100 acres · Local Responsibility Area 22%
  5. Not mapped by CAL FIRE 2 acres · Mostly federal land <1%

9,728 acres of land in all, 3,992 in the State Responsibility Area and 5,733 in the Local. State zones are the ones the State Fire Marshal designated, in effect since 1 April 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones

Largest fires

  1. 2007 Santiago Fire Of 28,430 acres in all · Cause: Miscellaneous 7,471 acres
  2. 2020 Silverado Fire Of 12,469 acres in all 6,469 acres
  3. 1948 Green River Fire Of 53,080 acres in all 6,153 acres
  4. 1967 Paseo Grande Fire Of 51,077 acres in all 6,002 acres
  5. 1931 Unnamed fire Of 7,760 acres in all 2,613 acres
  6. 1984 Loma Ridge Fire Of 1,435 acres in all 1,108 acres
  7. 1926 Unnamed fire Of 9,935 acres in all 807 acres
  8. 1914 Unnamed fire Of 18,755 acres in all 259 acres
  9. 2007 261 Incident Fire Of 90 acres in all · Cause: Vehicle 67 acres
  10. 1982 Gypsum Fire Of 20,142 acres in all · Cause: Miscellaneous 53 acres

And 2 smaller fires. In all, 7,738 acres of ZIP code 92602 have burned. Acres are the land each fire burned here, and fires that crossed less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published 27 June 2025, local map 2 February 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Power line fire risk
California Public Utilities Commission
Published 23 February 2026

This site is independent and not affiliated with CAL FIRE or the CPUC, so for an official determination, check with the agency or your city or county. How we read the data

Nearby areas

Communities in ZIP code 92602

Neighboring ZIP codes

  1. 92602 74% Very High · this area
  2. 92604 No hazard zones
  3. 92606 No hazard zones
  4. 92610 73% Very High
  5. 92618 28% Very High
  6. 92620 2% Very High
  7. 92630 6% Very High
  8. 92676 52% Very High
  9. 92705 8% Very High
  10. 92780 No hazard zones
  11. 92782 13% Very High