It happened around 8 p.m. near Alyssum Place and Copperstone Drive when deputies discovered a chihuahua on top of an electrical box, according to the Los Angeles County Sheriff's Department.
It's the second time a dog's head has been found in the area in just the past few weeks.
The sheriff's department is investigating.
Deputies find thousands of cockfighting roosters in raid on Chatsworth property
Deputies find thousands of cockfighting roosters in raid on Chatsworth property