46 Fire

Wildfire in Riverside County, October 2019

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Printed October 28, 2026 from www.firezones.info/fire/8000/46-fire-2019

Key facts

Started October 21, 2019
Contained October 31, 2019, after 10 days
Burned 329 acres
55th largest fire of 2019
Cause Vehicle
Buildings 7 destroyed, 7 damaged
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Where it burned

County

  1. Riverside County 328 acres

Communities

  1. Jurupa Valley 287 acres
  2. Riverside 12 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 7
  2. Major damage 25 to 50% damaged 1
  3. Minor damage 10 to 25% damaged 2
  4. Affected Up to 10% damaged 4

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. 1979 Unnamed fire 96 acres in total 5 acres shared
  2. 1981 Unnamed fire 83 acres in total 67 acres shared
  3. 2013 Jurupa Fire 362 acres in total 44 acres shared

Burned again

  1. 2022 Union Fire 145 acres in total · Cause: Debris burning 5 acres shared

Acres are the land each fire shares with the 46 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