PITTSBURG -- A single-family home was damaged in a one-alarm fire early Friday morning, authorities said.

No one was injured.

The fire was reported about 4:50 a.m. at a home on the 4200 block of Hillview Drive, according to a Contra Costa Consolidated Fire dispatcher. It was declared under control at 5:24 a.m.

Investigators were still trying to determine the cause of the fire. A damage estimate was not available.

Check back for updates.