Breaking: New wildfire reported in Contra Costa County on July 12

Published Jul 12, 2025 #Hwy 4 / san marco bl fire

First discovered: 1:12 p.m. July 12

Initial location: Contra Costa County, Calif.

Fire type: Wildfire

Fire name: Hwy 4 / San Marco Bl

A new wildfire was reported today at 1:12 p.m. in Contra Costa County, California.

The wildfire has been burning on private land. There is currently no information about the containment efforts for the fire and its cause remains unknown.

Source: National Interagency Fire Center