ZIP code 95306

Mariposa County, including Catheys Valley

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Report created October 27, 2026 at www.firezones.info/zip/95306

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    26% Very High

    All 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

    19% has burned

    Most recently the 2025 1-4 Fire, which burned 3,208 acres here, one of 24 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    12% Elevated

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

And 14 smaller fires. 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

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 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