ZIP code 93550

Los Angeles County, including Palmdale and Acton

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Report created October 31, 2026 at www.firezones.org/zip/93550

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 13,883 acres · 10,471 state, 3,413 local 8%
    2. High 1,512 acres · 68 state, 1,444 local 1%
    3. Moderate 5,483 acres · 56 state, 5,427 local 3%
    4. Non-wildland 7,210 acres · Local Responsibility Area 4%
    5. Not mapped by CAL FIRE 138,372 acres · Mostly federal land 83%

    166,459 acres of land in all, 10,594 in the State Responsibility Area and 17,493 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 107 fires that burned here

    1. 2009 Station Fire 160,833 acres in total · Cause: Arson 84,668 acres here
    2. 2020 Bobcat Fire 115,998 acres in total 36,340 acres here
    3. 1979 Sage/Usfs Fire 28,842 acres here
    4. 1878 Unnamed fire 59,469 acres in total 27,715 acres here
    5. 1924 San Gabriel Fire 43,050 acres in total 20,825 acres here
    6. 1957 Gale Fire 24,708 acres in total 19,487 acres here
    7. 1915 Unnamed fire 15,096 acres in total 14,524 acres here
    8. 2004 Crown Fire 11,754 acres in total · Cause: Equipment use 9,016 acres here
    9. 1975 Mill/Usfs Fire 51,220 acres in total 8,027 acres here
    10. 1900 Big Fire 16,961 acres in total 7,305 acres here

    And 97 smaller fires. The most recent was the 2022 Cheseboro Fire, which burned 1 acre here. In all, 138,796 acres of ZIP code 93550 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 93550

Neighboring ZIP codes

  1. 93550 8% Very High · this area
  2. 91042 11% Very High
  3. 91387 35% Very High
  4. 91702 7% Very High
  5. 92397 16% Very High
  6. 93510 61% Very High
  7. 93534 44% Moderate
  8. 93535 79% Moderate · 5% High
  9. 93543 35% Very High
  10. 93551 74% Very High
  11. 93552 14% Very High
  12. 93553 42% Very High
  13. 93563 9% 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