skip to main content
DEPT. OF ASSESSMENTS
500 Fourth Ave.,
#ADM-AS-0708
Seattle, WA 98104

DIRECTIONS

HOURS
Mon., Tue., Wed., Fri:
8:30 a.m. to 4:30 p.m.
Thu: 9:30 a.m. to 4:30 p.m.

PHONE
Tel: 206-296-7300
Fax: 206-296-5107
TTY: 206-296-7888

E-MAIL US

DID YOU KNOW?

The Assessor's Office is also available to speak to your organizations, service clubs, and community groups about the assessment process.

Please call 206-296-5141 or email us at assessor.info@kingcounty.gov to schedule a presentation on the assessment process.

Customer Service Survey
Assessor's Office staff are available via e-mail, phone, and in person.

CONTACT US

If you have questions or need assistance, please call us at the numbers listed below or dial toll free 1-800-325-6165, ext. 67300.

General Information


E-mail Address: Assessor.Info@KingCounty.Gov 206-296-7300
TTY Relay 711 or 800-833-6388
FAX 206-296-0107

Taxpayer Assistance


Real Property Information (property values, comparable sales, legal descriptions, appraisal help) 206-296-7300
Property Tax Advisor (Help with property values and appeals) 206-205-6330

Tax Relief


Senior & Disability Exemptions 206-296-3920
Senior & Disability Deferrals 206-205-5759
Home Improvement Exemptions 206-205-0656
Destroyed Property Exemptions 206-205-9212
Farm, Agriculture & Forest Land 206-296-3969
Open Space (PBRS) & Timber Land 206-205-5170
Historic Property Exemptions 206-296-5145
Non-profit organizations 206-296-5151

Personal Property


Business equipment/supplies lists 206-296-5126
Floating & mobile homes 206-296-5126

Tax Bill and Collection Information (King Co. Treasury)


Customer Service 206-296-3850
Manager's Office 206-296-7326
Real Property Tax Information 206-296-0923
Property Tax Refunds 206-296-3413
Property Tax Foreclosures 206-296-4184
Personal Property Tax Information 206-296-4290
Local Improvement District Records 206-296-3913

King County Recorder's Office


Real Estate Excise Tax 206-296-1570