A single-alarm fire damaged an apartment in San Francisco’s Pacific Heights neighborhood Friday morning, a fire dispatcher said.

The fire was reported at 6:55 a.m. on the second floor of an apartment building at 2861 California St., the dispatcher said.

Firefighters responded and extinguished the blaze by 7:14 a.m., he said.

No injuries were reported due to the fire.

A damage estimate and the cause of the fire have yet to be determined, he said.