ZIP code 92823

Orange County, including Brea

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Report created October 27, 2026 at www.firezones.info/zip/92823

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    92% 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

    92% has burned

    Most recently the 2020 Blue Ridge Fire, which burned 5 acres here, one of 18 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    93% 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 4,402 acres · 2,474 state, 1,929 local 92%
  2. High 24 acres · Local Responsibility Area 1%
  3. Moderate 24 acres · Local Responsibility Area 1%
  4. Non-wildland 101 acres · Local Responsibility Area 2%
  5. Not mapped by CAL FIRE 208 acres · Mostly federal land 4%

4,760 acres of land in all, 2,474 in the State Responsibility Area and 2,078 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. 2008 Freeway Fire Of 30,305 acres in all · Cause: Vehicle 4,166 acres
  2. 1978 Soquel Fire Of 3,934 acres in all 2,638 acres
  3. 1990 Yorba Fire Of 7,884 acres in all 1,593 acres
  4. 1985 Telegraph Fire Of 1,635 acres in all 1,255 acres
  5. 1980 Carbon Fire Of 6,955 acres in all 1,097 acres
  6. 1990 Carbon Canyon Fire Of 4,978 acres in all 711 acres
  7. 1959 La Vida Fire Of 611 acres in all 601 acres
  8. 2005 Yorba Linda Fire Of 1,079 acres in all · Cause: Playing with fire 589 acres
  9. 1994 Carbon Fire Of 757 acres in all 166 acres
  10. 1994 Wagon Fire Of 570 acres in all 134 acres

And 8 smaller fires. In all, 4,389 acres of ZIP code 92823 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 92823

Neighboring ZIP codes

  1. 92823 92% Very High · this area
  2. 91709 73% Very High
  3. 91765 55% Very High
  4. 92821 57% Very High
  5. 92835 5% Very High
  6. 92870 <1% Moderate · <1% Very High
  7. 92886 29% Very High
  8. 92887 65% Very High