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Appealing a valuation

Get info on appealing your assessed home value. File your petition online or by mail.

You can appeal assessed property values after you receive your valuation notice. The King County Board of Appeals and Equalization handles all appeals. They're an independent agency and not affiliated with the assessor.

Ready to get started?

How to appeal your valuation

Learn more about appeal deadlines, what to include in your appeal, and what to expect at your hearing. 

File your appeal online

It's quick and easy using eAppeals.

File your appeal by mail

Get info on mailing your petition and download the necessary forms.