Tax relief and valuation review
A homestead exemption, senior-relief program, or valuation protest can change the amount a homeowner owes—but only if the filing reaches the right local office in the correct window. Use the verified county guidance below as your working checklist, then confirm the current form and deadline with Snohomish County Assessor; Snohomish County Treasurer collects property taxes.
Relief programs
The filing guidance for this county is: December 31, 2025 for a 2026 assessment-year Senior/Disabled exemption under the Washington application schedule; the county's 2026 application requires 2025 income documentation and is filed with the Assessor Exemption Division. Use the official form or application channel, provide the residence and ownership documentation requested, and keep a copy of the submission.
Review county contact informationSnohomish County's 2026 Senior Citizen/Disabled Persons application covers qualifying homeowners age 61+ or persons retired because of disability, with income and ownership/occupancy requirements. The 2026 packet uses 2025 income records; contact Exemptions at 425-388-3540. Official packet: https://snohomishcountywa.gov/DocumentCenter/View/113022/2026-SCE-Application
Washington has no individual parcel assessed-value cap. County assessors value property at 100% of true and fair market value; regular taxing-district levy revenue is generally limited to a 1% annual increase plus new construction under RCW 84.55, subject to voter-approved lid lifts and other statutory rules. The 1% constitutional levy limit constrains aggregate regular levies, not an individual parcel's value.
Appealing an assessment
Use the valuation notice and the county’s published protest guidance to determine the last day to file. Do not assume the payment deadline controls the appeal.
Gather comparable sales, photographs, repair records, appraisal evidence, property characteristics, and any documentation that explains why the assessed value is incorrect.
Submit through the official channel, save the confirmation, and attend the board or review hearing if one is scheduled. An appraiser or attorney can help evaluate evidence when the value or stakes are substantial.
The verified protest guidance for this county is: August 25, 2026 at 4:00 p.m. for taxes payable in 2027, because the Assessor mailed 2026 notices on June 26, 2026; Snohomish County states the deadline is 60 days after mailing or July 1, whichever is later. If the language is not a specific calendar date, contact the office promptly for the current notice and board-review schedule.