ZIP code 91390

Los Angeles County, including Agua Dulce, Green Valley, Santa Clarita and others

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Report created October 27, 2026 at www.firezones.info/zip/91390

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    38% 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

    90% has burned

    Most recently the 2025 Hughes Fire, which burned 539 acres here, one of 239 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    100% 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 38,809 acres · 36,002 state, 2,806 local 38%
  2. High 232 acres · 26 state, 206 local <1%
  3. Moderate 112 acres · Local Responsibility Area <1%
  4. Non-wildland 18 acres · Local Responsibility Area <1%
  5. Not mapped by CAL FIRE 62,640 acres · Mostly federal land 62%

101,811 acres of land in all, 36,029 in the State Responsibility Area and 3,142 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 Buckweed Fire Of 38,348 acres in all · Cause: Playing with fire 23,185 acres
  2. 2002 Copper Fire Of 19,102 acres in all · Cause: Equipment use 16,591 acres
  3. 1964 Unnamed fire 11,300 acres
  4. 1970 Agua Dulce Fire Of 21,756 acres in all 9,258 acres
  5. 1980 Dam/Usfs Fire Of 7,848 acres in all 7,712 acres
  6. 1949 Haskell Fire 6,947 acres
  7. 2001 Stables Fire 6,401 acres
  8. 1922 Mint Cyn Fire Of 20,512 acres in all 6,178 acres
  9. 1960 Unnamed fire Of 28,393 acres in all 5,343 acres
  10. 2016 Sand Fire Of 41,383 acres in all · Cause: Equipment use 5,088 acres

And 229 smaller fires. In all, 91,830 acres of ZIP code 91390 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 91390

Neighboring ZIP codes

  1. 91390 38% Very High · this area
  2. 91350 80% Very High
  3. 91351 61% Very High
  4. 91354 62% Very High
  5. 91384 60% Very High
  6. 91387 35% Very High
  7. 93510 61% Very High
  8. 93532 32% Very High
  9. 93551 74% Very High