A structure fire near Lake Nacimiento on Monday evening destroyed two homes and damaged a third home, according to Cal Fire.

Shortly before 7:30 p.m., a resident at a home in the 4200 block of Allen Road escaped unharmed after discovering his home was on fire. The fire spread to two neighboring homes.

Other buildings nearby were threatened but not burned by the blaze.

Firefighters from several agencies assisted Cal Fire in extinguishing the blaze. Officials did not report any injuries.

The cause of the fire remains unclear.