ZIP code 95306

Mariposa County, including Catheys Valley

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Report created October 31, 2026 at www.firezones.org/zip/95306

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 28,137 acres · State Responsibility Area 26%
    2. High 62,198 acres · State Responsibility Area 58%
    3. Moderate 16,963 acres · State Responsibility Area 16%
    4. Not mapped by CAL FIRE 128 acres · Mostly federal land <1%

    107,425 acres of land in all, 107,297 of it in the State Responsibility Area. 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 24 fires that burned here

    1. 1968 Engineers Road Fire 8,074 acres in total 4,964 acres here
    2. 2017 Detwiler Fire 81,826 acres in total · Cause: Miscellaneous 3,990 acres here
    3. 2025 1-4 Fire 4,451 acres in total · Cause: Lightning 3,208 acres here
    4. 2008 Hwy 140 Fire 1,566 acres in total · Cause: Lightning 1,482 acres here
    5. 1959 Cow And Calf Fire 1,273 acres here
    6. 1950 Chase Ranch Fire 1,107 acres here
    7. 1974 Lightning #2 Fire 813 acres here
    8. 1974 Baker Fire 717 acres here
    9. 1992 Hornitos Fire 654 acres here
    10. 1952 Cathay Valley Mt. Fire 808 acres in total 639 acres here

    And 14 smaller fires. The most recent was the 2025 1-4 Fire, which burned 3,208 acres here. In all, 19,945 acres of ZIP code 95306 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 95306

Neighboring ZIP codes

  1. 95306 26% Very High · this area
  2. 93653 25% Very High
  3. 95325 96% High · 3% Very High
  4. 95333 14% High
  5. 95338 51% 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