ZIP code 91745

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. Very High 3,131 acres · 2,109 state, 1,022 local 38%
  2. High 484 acres · 117 state, 367 local 6%
  3. Moderate 404 acres · 58 state, 346 local 5%
  4. Non-wildland 4,284 acres · Local Responsibility Area 52%

  8,303 acres of land in all, 2,284 in the State Responsibility Area and 6,020 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 37 fires that burned here

  Map
  1. 1939 La Habra No. 33 Fire 1,521 acres in total 991 acres here
  2. 1989 Turnbull Fire 1,229 acres in total 985 acres here
  3. 1955 Hacienda Fire 1,148 acres in total 607 acres here
  4. 1949 Savage Cyn Fire 1,681 acres in total 457 acres here
  5. 1945 Hacienda No. 162 Fire 856 acres in total 409 acres here
  6. 1979 Catalina Fire 886 acres in total 337 acres here
  7. 1949 Clark No. 81 Fire 446 acres in total 283 acres here
  8. 1976 Puente Hills Fire 311 acres in total 278 acres here
  9. 1970 Hacienda Fire 176 acres here
  10. 1930 Unnamed fire 243 acres in total 170 acres here

  And 27 smaller fires. The most recent was the 2020 Palm Fire, which burned 8 acres here. In all, 3,001 acres of ZIP code 91745 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