Glass Fire

Wildfire in Napa and Sonoma counties, September 2020

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Printed October 28, 2026 from www.firezones.info/fire/8169/glass-fire-2020

Key facts

Started September 27, 2020
Contained October 20, 2020, after 23 days
Burned 67,484 acres
14th largest fire of 2020 and 88th largest in California's records
Cause Not recorded
Buildings 1,528 destroyed, 281 damaged
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Where it burned

Counties

  1. Napa County 40,605 acres
  2. Sonoma County 26,876 acres

Communities

  1. Deer Park 3,386 acres
  2. Santa Rosa 986 acres
  3. Angwin 614 acres
  4. St. Helena 454 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 1,528
  2. Major damage 25 to 50% damaged 13
  3. Minor damage 10 to 25% damaged 40
  4. Affected Up to 10% damaged 228

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. 1946 Unnamed fire 782 acres in total 765 acres shared
  2. 1952 Oat Hill Mine Fire 2,667 acres in total 526 acres shared
  3. 1957 C. Scott Fire 274 acres in total 154 acres shared
  4. 1959 C. Saviez Fire 205 acres shared
  5. 1959 G. Heibel Fire 1,412 acres in total 1,245 acres shared
  6. 1964 Roadside #14 Fire 230 acres shared
  7. 1964 C. Hanly Fire 55,961 acres in total 15,636 acres shared
  8. 1964 Nuns Canyon Fire 9,808 acres in total 42 acres shared
  9. 1983 Howell Mtn. Fire 2,354 acres in total 60 acres shared
  10. 1994 Pg&E #24 Fire 1,273 acres shared
  11. 2003 Lofty Fire Cause: Playing with fire 42 acres shared
  12. 2003 Silverado Fire Cause: Power lines 69 acres shared
  13. 2008 Tar Fire 57 acres in total · Cause: Power lines 56 acres shared
  14. 2008 Deer Fire Cause: Vehicle 232 acres shared
  15. 2016 Hillcrest Fire 17 acres shared
  16. 2017 Clover Fire 14 acres shared
  17. 2017 Nuns Fire 55,798 acres in total 6,011 acres shared
  18. 2017 Tubbs Fire 36,702 acres in total 10 acres shared

Burned again

  1. 2024 Toll Fire 41 acres in total · Cause: Equipment use 40 acres shared
  2. 2025 Pickett Fire 6,822 acres in total 5,748 acres shared

And 2 more fires that burned less of the same land. Acres are the land each fire shares with the Glass 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