San Antonio Heights

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 988 acres · 619 state, 369 local 59%
  2. High 182 acres · Local Responsibility Area 11%
  3. Moderate 117 acres · Local Responsibility Area 7%
  4. Non-wildland 156 acres · Local Responsibility Area 9%
  5. Not mapped by CAL FIRE 224 acres · Mostly federal land 13%

  1,669 acres of land in all, 619 in the State Responsibility Area and 825 in the Local. 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 17 fires that burned here

  Map
  1. 2003 Grand Prix Fire 50,618 acres in total · Cause: Arson 767 acres here
  2. 1970 Unnamed fire 37,472 acres in total · Cause: Miscellaneous 629 acres here
  3. 1935 San Antonio Canyon Fire 586 acres in total 258 acres here
  4. 2003 Padua Fire 10,458 acres in total · Cause: Arson 244 acres here
  5. 1960 Armstrong Fire 807 acres in total 242 acres here
  6. 1911 Unnamed fire 349 acres in total 206 acres here
  7. 1958 Dam Fire 147 acres here
  8. 1914 Unnamed fire 293 acres in total 133 acres here
  9. 1988 Unnamed fire 143 acres in total · Cause: Arson 128 acres here
  10. 1910 Unnamed fire 1,646 acres in total 90 acres here

  And 7 smaller fires. The most recent was the 2008 San Antonio Fire, which burned 54 acres here. In all, 1,077 acres of San Antonio Heights 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