Date/Time: 8/12/23, 12:07 AM
Location: Highland Ave / Mango Ave Fontana
Incident: Commercial Structure Fire (BDC# 23-198160)
Summary:

Just after midnight this morning, San Bernardino County Fire responded to a residential structure fire at the intersection of Highland Avenue and Mango Avenue in the city of Fontana. 911 callers advised that a newly built home was burning.
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Units arrived to find a property comprised of multiple two-story apartment buildings under construction with heavy fire involving the eastern side of one building. All buildings were still in the wood frame stage of development. Firefighters mounted a defensive attack with the goal of containing the fire to the building of origin.

Due to the degree of fire involvement and building type, the incident was upgraded to a commercial response and reinforced with a second alarm. Radiant heat from the blaze led to the failure of an exposed water main on the site which presented an additional challenge to suppression efforts.

The fire was brought under control in just over one hour. San Bernardino County firefighters limited the spread of the fire to 25% of the original unit. Firefighters were instrumental in saving the three additional residential buildings located on the property.

Eight engines, two truck companies, three squads, two chief officers, two investigators, an Air/Light unit and an excavator totaling 46 personnel were assigned to the response. No injuries to civilians or firefighters were reported.

The cause of the fire remains under investigation through San Bernardino County Fire’s Office of the Fire Marshal.