ZIP code 95637

Yolo County, including Guinda

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Report created October 31, 2026 at www.firezones.org/zip/95637

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 12,958 acres · State Responsibility Area 48%
    2. High 455 acres · State Responsibility Area 2%
    3. Moderate 2,183 acres · State Responsibility Area 8%
    4. Not mapped by CAL FIRE 11,461 acres · Mostly federal land 42%

    27,058 acres of land in all, 15,597 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 21 fires that burned here

    1. 2020 Hennessey Fire 305,352 acres in total · Cause: Lightning 22,387 acres here
    2. 1972 Pocket Gulch Fire 10,431 acres in total 9,859 acres here
    3. 2004 Rumsey Fire 38,763 acres in total · Cause: Arson 5,119 acres here
    4. 2018 County Fire 89,831 acres in total 5,029 acres here
    5. 1999 Sixteen Fire 37,893 acres in total · Cause: Arson 3,332 acres here
    6. 1999 Rumsey Fire 2,995 acres in total 2,635 acres here
    7. 2002 Sixteen Fire 1,514 acres in total · Cause: Arson 1,385 acres here
    8. 2015 Jerusalem Fire 25,118 acres in total 1,309 acres here
    9. 1951 R.haswell Fire 1,196 acres in total 1,161 acres here
    10. 2019 Sand Fire 2,422 acres in total · Cause: Lightning 722 acres here

    And 11 smaller fires. The most recent was the 2020 Hennessey Fire, which burned 22,387 acres here. In all, 23,644 acres of ZIP code 95637 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 95637

Neighboring ZIP codes

  1. 95637 48% Very High · this area
  2. 94558 56% Very High
  3. 95457 67% Very High
  4. 95606 67% Very High
  5. 95607 71% Very High
  6. 95679 73% 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