There is no specific fine for killing a dog in California. The penalty for this crime will depend on the severity of the actions that led to the dog's death (e.g., whether the dog was aggressive or simply defending itself). In general, penalties for killing a dog can range from a Class C misdemeanor (up to $1,000 in fines and up to 6 months in jail) to a felony punishable by up to four years in prison.