Sacramento, California

• All dogs and cats over the age of 4 months must be spay/neutered
• Licensing charges are $15 a year for altered animals and $150 a year for unaltered animals

8.24.030 b. No owner shall possess or harbor within the county any dog or cat over the age of four (4) moths that has not been sterilized, unless such person holds an unaltered license, unaltered license with reduced fee, or is otherwise exempted as set forth in Section 8.08.030 or 8.24.030(m). Upon written certification of a veterinarian that a dog or cat has been surgically sterilized, the amount of license fee shall be one-half or less than the fee established for intact dogs or cats.