Snohomish County, Washington
Filing deadline: July 1 (earliest possible)
You must file a completed petition with the Board of Equalization within 60 days of when the change of value notice was mailed, or by July 1st, whichever is later.
What to file
appeal
Approximate effective tax rate
0.77% (published estimate, 2025)
Look up your current assessed value on the county assessor's site →