Firefighters responded to a fire at a four-unit apartment building on Park Street, near 34th Street, in Paso Robles about 4:30 p.m. Thursday.
No one was hurt. But the damage to the outside of two apartment buildings was extensive, the Paso Robles Fire Department said.
The blaze extended into two second-story apartments, and two ground-floor apartments had moderate fire damage. No monetary damage estimate was available.