Aliso Viejo

City in Orange County

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Report created October 31, 2026 at www.firezones.org/community/00947/aliso-viejo

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    Map
    1. Very High 1,210 acres · 1 state, 1,208 local 27%
    2. High 289 acres · Local Responsibility Area 7%
    3. Moderate 295 acres · 1 state, 294 local 7%
    4. Non-wildland 2,638 acres · Local Responsibility Area 60%

    4,432 acres of land in all, 2 in the State Responsibility Area and 4,430 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

    Map
    1. 2018 Aliso Fire 176 acres in total 3 acres here

    In all, 3 acres of Aliso Viejo 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

ZIP codes in Aliso Viejo

Neighboring communities

  1. Aliso Viejo 27% Very High · this area
  2. Laguna Beach 87% Very High
  3. Laguna Hills 2% Very High
  4. Laguna Niguel 34% Very High
  5. Laguna Woods 22% 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