Contra Costa County, California Not your city or county?

Licensing Information

License Fees

Licensing Fees

1 Year

2 Year

3 Year

Unaltered Pet

$40.00

$74.00

$110.00

Spayed/Neutered Pet

$20.00

$37.00

$55.00

Seniors Age 65 and Over
(limit one discounted license per household)

Senior with Unaltered Pet

$20.00

$37.00

$55.00

Senior with Altered Pet

$10.00

$18.00

$27.00

Other Fees

Late Fee

$40.00

Replacement Tag

$7.00

*Spayed or neutered pets receive a fifty percent discount on licensing fees. This policy is in place to promote sterilization and reduce pet overpopulation.

Required Paperwork

  1. A current rabies vaccination certificate is required if the rabies vaccination on file has expired. Please check your certificate for correct address and pet information.
  2. Separate proof of spay/neuter, such as a signed statement from a veterinarian or a paid invoice for services is required if the pet has been altered since the last licensing period and you are applying for the lower spayed/neutered license fee.
  3. A copy of the owner’s ID card is required to receive the discounted fee for senior citizens age 65 and over.

Your paperwork will not be returned to you, so please retain a copy of your documents for your records.

Mailing Address

To license by mail:

  1. Enclose copies of all required paperwork. The license application below may be downloaded and included, but it is not required.
  2. Determine the correct license fee for each of your pets.
  3. Make your check or money order payable to “Contra Costa Animal Services” Please do not send cash.
  4. Mail your paperwork and payment to:

    Contra Costa Animal Licensing
    c/o PetData
    PO Box 141929
    Irving, TX 75014-1929

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