ZIP code 91351

Los Angeles County, including Santa Clarita

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Report created October 31, 2026 at www.firezones.org/zip/91351

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 3,355 acres · 1,353 state, 2,002 local 61%
    2. High 422 acres · Local Responsibility Area 8%
    3. Moderate 297 acres · Local Responsibility Area 5%
    4. Non-wildland 1,366 acres · Local Responsibility Area 25%
    5. Not mapped by CAL FIRE 75 acres · Mostly federal land 1%

    5,515 acres of land in all, 1,353 in the State Responsibility Area and 4,087 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

    The 10 largest of 42 fires that burned here

    1. 1970 Agua Dulce Fire 21,756 acres in total 2,338 acres here
    2. 2007 Buckweed Fire 38,348 acres in total · Cause: Playing with fire 1,668 acres here
    3. 1917 Unnamed fire 616 acres here
    4. 1957 Unnamed fire 381 acres in total 207 acres here
    5. 1955 Unnamed fire 348 acres in total 161 acres here
    6. 1958 Unnamed fire 305 acres in total 157 acres here
    7. 1970 Honby Fire 352 acres in total 126 acres here
    8. 1922 Unnamed fire 1,659 acres in total 101 acres here
    9. 1938 Adam No. 204 Fire 226 acres in total 96 acres here
    10. 2005 Quinn Fire 136 acres in total · Cause: Equipment use 94 acres here

    And 32 smaller fires. The most recent was the 2019 Tick Fire, which burned 43 acres here. In all, 3,865 acres of ZIP code 91351 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 91351

Neighboring ZIP codes

  1. 91351 61% Very High · this area
  2. 91321 66% Very High
  3. 91350 80% Very High
  4. 91387 35% Very High
  5. 91390 38% 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