ZIP code 92618

Orange County, including Irvine

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Report created October 31, 2026 at www.firezones.org/zip/92618

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 3,683 acres · 115 state, 3,568 local 28%
    2. High 574 acres · Local Responsibility Area 4%
    3. Moderate 509 acres · Local Responsibility Area 4%
    4. Non-wildland 8,477 acres · Local Responsibility Area 64%

    13,243 acres of land in all, 115 in the State Responsibility Area and 13,128 in the Local. State zones are the ones the State Fire Marshal designated, in effect since April 1, 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

  • Fire history

    Fires CAL FIRE has recorded here

    1. 2007 Santiago Fire 28,430 acres in total · Cause: Miscellaneous 1,885 acres here
    2. 2020 Silverado Fire 12,469 acres in total 1,543 acres here
    3. 1948 Green River Fire 53,080 acres in total 646 acres here
    4. 1931 Unnamed fire 7,760 acres in total 376 acres here
    5. 1967 Paseo Grande Fire 51,077 acres in total 350 acres here
    6. 1926 Unnamed fire 9,935 acres in total 60 acres here
    7. 2021 Ridge Fire 6 acres in total · Cause: Equipment use 5 acres here
    8. 2017 Magazine Fire 5 acres here

    The most recent was the 2021 Ridge Fire, which burned 5 acres here. In all, 2,066 acres of ZIP code 92618 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

Nearby areas

Communities in ZIP code 92618

Neighboring ZIP codes

  1. 92618 28% Very High · this area
  2. 92602 74% Very High
  3. 92603 51% Very High
  4. 92604 No hazard zones
  5. 92610 73% Very High
  6. 92612 34% High · 3% Very High
  7. 92614 <1% Moderate · <1% High
  8. 92620 2% Very High
  9. 92630 6% Very High
  10. 92637 16% Very High
  11. 92651 93% Very High
  12. 92653 2% Very High

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published June 27, 2025, local map February 2, 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published July 28, 2026

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