Update: Border 4 Fire burns 1.5 acres in San Diego County

Published May 17, 2026 #Border 4 fire

Updated: 2:27 p.m. May 17

First discovered: 1:11 p.m. May 17

Initial location: San Diego County, Calif.

Fire type: Wildfire

Fire name: Border 4

Border 4 Fire initially started today at 1:11 p.m. in in San Diego County, California.

It has burned 1.5 acres of private land, an increase of one acre since the last update. Currently, there is no data on the containment status of the fire and the cause has yet to be determined.

Source: National Interagency Fire Center