A Snohomish County pet license is required for all dogs and cats that are six months or older residing in unincorporated Snohomish County. A pet license is required regardless of whether they are kept indoors or outdoors. Licensing your pet is the best assurance for the safe return of a lost pet.
How to Determine if You Live in Unincorporated Snohomish County
Use our tool to discover if you live in our service area.
If you live inside city limits, please contact your city directly for pet license requirements.