Vacaville police officers responded to Valley Drive near Garden Circle after receiving reports of shots fired around 4:40 a.m.
Two houses and vehicles were hit by bullets, and police found about 15 casings on the street, police said.
Police searched the neighborhood but did not find anyone who was injured in the shooting, and no victims called police.
Anyone with information about the shooting is asked to call Vacaville police at (707) 449-5200.
