Pasadena fire crews responded to an attached garage fire on the 300 block of Linda Rosa Avenue and found 3 motorcycles, a truck, and a vehicle on fire.
Crews quickly put out the blaze, which was reported at 4:50 a.m.
All residents evacuated the home and no injuries were reported.
Two adjacent homes sustained minor damage.
A family of three and an adult from a second home have been temporarily displaced with help from the Red Cross.
The fire is estimated to cost $100,000 in damages, authorities said.
The cause of the fire was under investigation.