Contact the King County Data Team

Please contact us with questions or concerns about datasets appearing on data.kingcounty.gov. To request data from agencies, please refer to the County's public disclosure request process. For a comprehensive listing of data sources provided by King County, please refer to the data page on kingcounty.gov.

Note: All inquiries about assessor, tax, and parcel data that appears on data.kingcounty.gov should be referred directly to the King County Assessor at assessor.info@kingcounty.gov.