- Call Customer Service:
1-866-925-5906
Licensing Information
License Fees Effective 4/1/24
| Dog License Fees | 1-Year | 3-Year | |
| Unaltered Dog | $55.00 | $160.00 | |
| Spayed/Neutered Dog | $25.00 | $70.00 | |
| Senior Discount (60+) | 1-Year | 3-Year | |
| Unaltered Dog | $23.00 | $64.00 | |
| Spayed/Neutered Dog | $10.00 | $25.00 | |
| Other Fees | |||
| Late Fee (30 days past lic. expire) | $20.00 | ||
| Replacement Tag | $10.00 | ||
| A license is required for all dogs in the County. | |||
| Cat License Fees | 1-Year | 3-Year | |
| Unaltered Cat | $20.00 | $55.00 | |
| Spayed/Neutered Cat | $8.00 | $19.00 | |
| Senior Discount (60+) | 1-Year | 3-Year | |
| Unaltered Cat | $12.00 | $31.00 | |
| Spayed/Neutered Cat | $5.00 | $12.00 | |
| Other Fees | |||
| Late Fee (30 days past lic. expire) | $7.00 | ||
| Replacement Tag | $5.00 | ||
| Cats in all cities as well as unincorporated County are required to be licensed. | |||
In an effort to reduce pet overpopulation and starvation, licensing unaltered pets is higher. In addition, the County includes a $1 surcharge in all licensing fees. This surcharge is placed in the Animal Population Trust Fund used to assist pet owners with their pet’s sterilization fees.
*To use as an electronic fillable form, open in Adobe Reader.
*To use as an electronic fillable form, open in Adobe Reader.
Your license is due on the first of the month in which your license expires. There is a grace period of 30 days in which to make payment for your pet’s license.
By ordinance, a late fee is added if payment is not made within 30 days of the due date.
You may license by mail and pay for your license with a check or money order made payable to "San Mateo County Animal Licensing."
You may license online and pay for your license with a major credit card. A Cost Recovery Processing Fee will apply per transaction.
- A current rabies vaccination certificate is required if the rabies vaccination on file has expired. Please check your certificate to make sure that your address is correct and your pet’s description is correct and complete. A primary breed should always be included, even if the animal is a mixed breed.
- Proof of spay/neuter, such as a signed statement from a veterinarian or an 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.
- Proof of age, such as a copy of any document listing the owner’s name and date of birth. Please feel free to mark out any sensitive information, such as ID numbers, on the copy before submission.
Note: Please send legible copies of your paperwork and maintain a copy for your records.
Please mail all required paperwork, along with your check or money order payable to "San Mateo County Animal Licensing" to the address below. Please do not send cash.
San Mateo County Animal Licensing
c/o PetData
PO Box 141929
Irving, TX 75014-1929
*To use as an electronic fillable form, open in Adobe Reader.
*To use as an electronic fillable form, open in Adobe Reader.
You may purchase your license or pick up/drop off your paperwork in person at Peninsula Humane Society:
12 Airport Boulevard
San Mateo, CA
You may also pick up or drop off your paperwork for processing at the Health Department located at 1600 W Hillsdale Blvd, Suite 203, San Mateo 94402.