Contra Costa County, California Not your city or county?

Common Questions

Questions About Notices

Questions About Current Licenses

Questions About Lost and Found Animals

Questions About Pet Licensing

Questions About PetData

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Why did I receive this notice?

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Why am I being billed when I have a current license?

There may be several reasons why you received a bill when you have a current license. We're happy to help with your account information - please fill out this form to begin the process.

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When will I get my license tag?

The metal license tag is permanently assigned to your pet, and you will not receive a new tag during the renewal process unless requested. If you have lost your tag or it has become unreadable, please pay the replacement tag fee when you mail your renewal, and a new tag will be mailed with your license registration. Otherwise, a receipt only will be mailed.

We will mail your tag and license receipt within 10 business days from the day we receive your completed license application and payment. Please allow an additional 3-5 business days to receive your tag or receipt in the mail. If we have not received correct payment or proper documentation you will be notified via mail and the processing of your license will be delayed.

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How do I get a replacement tag?

You may obtain a replacement tag by sending a check or money order payable to “Contra Costa Animal Services" in the amount of $7.00 to the mailing address below. Please do not send cash. You may include either a copy of your prior license receipt or a note to designate the pet for which you are purchasing a replacement tag. If you need assistance, you may call customer service toll-free at 1-833-259-2136.

If you are renewing your pet's license, please indicate that a replacement tag is needed on the renewal form and include the replacement tag fee.

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

Only one license tag can be active at one time. Requests for multiple tags for the same animal cannot be fulfilled.

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Can I transfer a license?

A current license may be transferred from one owner to the new owner of the same pet or from another jurisdiction to Contra Costa County for a fee of $7.

Payment and evidence of change of ownership, such as letter from the prior owner and proof of current license should be mailed to:

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

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Can I obtain a refund?

A refund may be available for the following reasons:

  1. If a duplicate payment was made for the same pet and the same license term. Be sure to include the pet’s current license tag number if it is available, and as much information as possible regarding your payments.
  2. If a previously spayed or neutered pet was licensed at the unaltered rate. Be sure to include proof of alteration dated prior to the licensing date.
  3. If the pet owner lived outside the county limits at the time of licensing.

While a refund may be available for the reasons stated above, a refund may also be used as a donation to help support the Animal Shelter. To request a refund or to request that a refund be applied as a donation, please send your request in writing or via email to Customer Service.

Refunds are not available for unused time or if the animal is altered during the licensing period and you paid at the higher rate.

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How long is this license valid?

Licenses are valid for 1, 2 or 3 years from the date of purchase and will not be valid beyond the expiration of the rabies vaccination.
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Where is the local animal shelter?

Martinez Shelter
4800 Imhoff Place
Martinez, CA 94553

Pinole Shelter
910 San Pablo Avenue
Pinole, CA 94564

For more information about shelter services and hours, visit the Animal Services website.

To report stray animals or for questions unrelated to licensing, please call Animal Services at 1-925-608-8400.

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I have found a pet: what should I do?

If the pet that you have found is wearing a Contra Costa County license tag, please enter the tag number in the tag search box on the left side of the page. If you need assistance, you may call our office at 1-833-259-2136.

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I have lost a pet: what should I do?

If an Animal Services Officer finds your pet, and your pet is wearing a current license tag on its collar, Animal Control will contact you. If another citizen finds your pet with its license tag, they may call the phone number on the tag, or lookup the tag number through our online tag search.

If your pet has been lost, Animal Services recommends that you visit the shelter to look for your pet at least every other day. Sheltering of strays for Contra Costa County is provided by the Martinez Shelter and Pinole Shelter. You may also contact Animal Services at 1-925-608-8400 regarding your lost pet.

Additionally, Contra Costa Animal Services partners with Finding Rover to help reunite lost pets with their owners. Finding Rover is a facial recognition software that allows owners to search for their lost pets using photos of their pet. To begin your search with Finding Rover, visit www.ccasd.org

Other ways to find your lost pet:

  • Post flyers around your neighborhood
  • Post your lost pet’s info and photo on social media (NextDoor, Facebook, etc.)
  • Visit your local shelters
  • Ensure your current contact information is linked to your pet’s microchip
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Why should I license?

Licensing helps Animal Services identify family pets, should an animal become lost. The fees from licensing are used to care for animals and investigate complaints about stray animals, among other services. Other goals of animal licensing are to promote responsible pet ownership and to reduce the tragedies associated with lost pets and pet overpopulation.

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What are the licensing requirements?

Licensing Ordinance

State law, as well as County ordinance, requires all dogs over 4 months of age to be vaccinated against rabies. All dogs over 3 months of age are required to be licensed by 5 months of age or within 30 days of entering the county.

View the complete Contra Costa County ordinance

If you live within the city limits of Antioch, an Antioch dog license is required instead.

Due Date

Payment for your license is due within 30 days of the expiration of your current license. If you are licensing for the first time, you must purchase a license within 30 days of obtaining a pet over the age of 3 months or within 30 days of moving into Contra Costa County.

A late fee is added to the license fee if your license is not purchased by the due date. The late fee is $40.

License Term

Licenses are valid for 1, 2 or 3 years from the date of purchase and will not be valid beyond the expiration of the rabies vaccination.
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Why was licensing privatized?

Contra Costa County chose to privatize animal licensing beginning in 2018 to promote animal licensing, to increase the cost-effectiveness of the program, and to provide additional services to its citizens.

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Who is PetData?

PetData, Inc., headquartered in Dallas, Texas, provides animal licensing services for municipalities and animal welfare agencies throughout the United States. The company, a member of the National Animal Control Association, has been in business since 1993. PetData’s goals are to increase animal licensing, to reduce animal euthanasia, to educate the community, and to help solve animal control problems.
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Does PetData sell information?

We at PetData consider the privacy of our clients to be of paramount importance. PetData has never sold information or data to any third-party. PetData does not use any personally identifiable data collected for any purpose other than those as determined by client contracts.

We do not respond to requests for information from non-client individuals or corporations, nor do we release information without the express written consent of our client agencies. Groups or individuals requesting licensing data should contact the individual client's animal services agency director as we release data only to our contracted client.

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