ZIP code 91016

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 2,324 acres · Local Responsibility Area 43%
  2. High 172 acres · Local Responsibility Area 3%
  3. Moderate 165 acres · Local Responsibility Area 3%
  4. Non-wildland 2,774 acres · Local Responsibility Area 51%
  5. Not mapped by CAL FIRE 23 acres · Mostly federal land <1%

  5,457 acres of land in all, 5,434 of it in the Local 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 17 fires that burned here

  Map
  1. 2020 Bobcat Fire 115,998 acres in total 806 acres here
  2. 1953 Monrovia Peak Fire 14,061 acres in total 674 acres here
  3. 1958 Unnamed fire 13,944 acres in total 612 acres here
  4. 1954 Monrovia Peak Fire 13,870 acres in total 612 acres here
  5. 1980 Stable Fire 6,049 acres in total 445 acres here
  6. 1917 Hastings Ranch Fire 350 acres in total 247 acres here
  7. 1900 Big Fire 16,961 acres in total 169 acres here
  8. 1953 Unnamed fire 95 acres in total 94 acres here
  9. 1909 Unnamed fire 104 acres in total 85 acres here
  10. 1910 Unnamed fire 81 acres here

  And 7 smaller fires. The most recent was the 2020 Bobcat Fire, which burned 806 acres here. In all, 1,475 acres of ZIP code 91016 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