The LAFD said the fire, located in the area of 1019 N. San Fernando Road, started as an outside trash fire and extended into the attic of a nearby unoccupied church. The fire was threatening a nearby two-story apartment building, which had been evacuated.
More than 70 LAFD firefighters were on scene.
A nearby two-story residential motel was not damaged.
Officials said no homes were destroyed.
No injuries have been reported, according to authorities.
The cause remains under investigation.