San Mateo County, California Not your city or county?

Friday, January 10th: Customer Service is closed today due to inclement weather in our area. PetData.com and online pet licensing are available for your convenience.

License Transfer

If a pet with a current license passes away, the license may be transferred to another pet belonging to the same owner. There is no fee, however a current rabies certificate for the new pet must be submitted, if it is not already on file. Please mail your transfer request to:

San Mateo County Animal Licensing
c/o PetData
PO Box 141929
Irving, TX 75014-1929

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