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For questions about the appeal process, contact the Board of Equalization

516 3rd Avenue, Room 1222
Seattle, WA 98104-2306
call: 206-477-3400
web: Board of Equalization
email: boe@kingcounty.gov On the subject line, please enter: your appeal number and/ or your parcel number (Example: Appeal# 2201234, Parcel #1234560000)
 
For assistance with residential (1-3 dwelling units) appeals and finding comparable sales, contact the Property Tax Advisor:
call: 206-477-1060
web: Property Tax Advisor
email: taxadvisor@kingcounty.gov On the subject line, please enter: your parcel number (Example: Parcel # 1234560000)
 
For all other questions about the assessment of real property, including how your property was valued, contact the Department of Assessments:
call: 206-296-7300
web: Department of Assessments
email: assessor.info@kingcounty.gov On the subject line, please enter: your parcel number (Example: Parcel # 1234560000)
 
For technical questions regarding online appeals, contact eAppeals Tech Support:
email: eappeal.techsupport@kingcounty.gov (you can expect an email reply within two business days).  On the subject line, please enter: eAppeals Help & your parcel number
(Example: eAppeals Help & Parcel # 1234560000)
 
For public records requests, contact:
Clerk of the Council’s Office
516 3rd Avenue, Room 1200
Seattle, WA 98104
call: 206-477-1023
web: Clerk of the Council
email: clerk.council@kingcounty.gov