Sugar Fire

Wildfire in Plumas and Lassen counties, July 2021

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Printed October 28, 2026 from www.firezones.info/fire/8239/sugar-fire-2021

Key facts

Started July 2, 2021
Contained October 28, 2021, after 118 days
Burned 105,004 acres
7th largest fire of 2021 and 47th largest in California's records
Cause Not recorded
Buildings 148 destroyed, 23 damaged
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Where it burned

Counties

  1. Plumas County 67,789 acres
  2. Lassen County 37,217 acres

Communities

  1. Doyle 2,313 acres
  2. Chilcoot-Vinton 147 acres

Acres are the land the fire burned in each county and community, and places where it burned less than an acre are not listed. Communities are cities, towns and the unincorporated places the Census Bureau names, so land outside any of them is counted only in its county.

Buildings damaged

  1. Destroyed Over 50% damaged 148
  2. Major damage 25 to 50% damaged 4
  3. Minor damage 10 to 25% damaged 8
  4. Affected Up to 10% damaged 11

Buildings CAL FIRE inspected after the fire, by how badly each was damaged. Inspectors record homes, businesses and outbuildings within 100 meters of the fire, and cannot always reach every one, so the counts can differ slightly from other reports.

The same land, other fires

Burned before

  1. 1929 Unnamed fire 301 acres in total 220 acres shared
  2. 1931 Unnamed fire 22,631 acres in total 16,564 acres shared
  3. 1936 Unnamed fire 30,586 acres in total 13,073 acres shared
  4. 1940 Unnamed fire 407 acres in total 346 acres shared
  5. 1942 Unnamed fire 7,422 acres shared
  6. 1943 Unnamed fire 1,244 acres in total 1,190 acres shared
  7. 1947 Unnamed fire Cause: Miscellaneous 1,300 acres shared
  8. 1950 Unnamed fire Cause: Lightning 2,601 acres shared
  9. 1952 Hay Fire Cause: Miscellaneous 401 acres shared
  10. 1959 Unnamed fire 6,762 acres in total · Cause: Miscellaneous 262 acres shared
  11. 1966 Unnamed fire 2,692 acres in total · Cause: Miscellaneous 869 acres shared
  12. 1979 Unnamed fire Cause: Miscellaneous 297 acres shared
  13. 1984 Second Fire 1,130 acres in total · Cause: Lightning 856 acres shared
  14. 1987 Plumas Nf #531 (Clark) Fire 39,921 acres in total · Cause: Miscellaneous 2,779 acres shared
  15. 1992 Unnamed fire 466 acres shared
  16. 1994 Doyle Fire Cause: Debris burning 1,694 acres shared
  17. 1996 Maddalena Fire 3,975 acres in total · Cause: Equipment use 2,279 acres shared
  18. 1999 Horton 2 Fire 4,941 acres in total · Cause: Equipment use 543 acres shared
  19. 2010 Constantia Fire 1,453 acres in total · Cause: Lightning 1,159 acres shared
  20. 2017 Poslin Fire 855 acres in total · Cause: Lightning 758 acres shared

And 25 more fires that burned less of the same land. Acres are the land each fire shares with the Sugar Fire, and fires that shared 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 history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Building damage
CAL FIRE Damage Inspection
Updated 19 October 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