ZIP code 92618

Orange County, including Irvine

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Report created October 27, 2026 at www.firezones.info/zip/92618

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    28% Very High

    Most of the Very High land is in the Local Responsibility Area, where each city or county adopts the zones CAL FIRE recommends.

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    16% has burned

    Most recently the 2021 Ridge Fire, which burned 5 acres here, one of 8 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    6% 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.

Land by 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 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

Fires that burned here

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

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

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 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