Washington State Senior/Disabled Property Tax Exemption

Snohomish County Assessor's Office

Available Property Tax Relief

About This Program

Washington State Senior/Disabled Property Tax Exemption is available to homeowners in Mountlake Terrace, WA.

State property tax exemption for senior citizens age 61+ or disabled persons with limited income. Exemption amount varies based on income level and assessed home value. Must reapply annually.

Exemption amount varies based on income and home value

Official program page checked live on 2026-06-22.

Data last verified 2026-06-09. How we verify our data.

In Mountlake Terrace, WA, you can combine this program with other local help to cut your cost:

Key Details

  • Property tax exemption for seniors 61+ or disabled
  • Income limits apply based on household size
  • Reduces property tax by up to 100%
  • Must be owner-occupied primary residence
  • Apply by December 31 each year

How to Apply

Get free help applying Visit Official Program Page Track this program

(425) 388-3540

A grant-savvy contractor in Mountlake Terrace, WA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

Your application paperwork

Documents you will likely need

  • Your federal tax return for the year of the work (this benefit is claimed on your taxes, not through a separate application).
  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • Household income proof (recent pay stubs, last year's tax return, or benefit award letters for everyone in the home).
  • Proof of age (driver's license or birth certificate) if the program is age-based.
  • Documentation of disability (award letter or a physician's statement) if the program is disability-based.
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Apply by December 31 annually

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Frequently asked questions

How much can Washington State Senior/Disabled Property Tax Exemption provide in Mountlake Terrace, WA?

Reduces property taxes by up to 100%.

Who qualifies for Washington State Senior/Disabled Property Tax Exemption in Mountlake Terrace?

Washington State Senior/Disabled Property Tax Exemption is open to homeowners in Mountlake Terrace, WA. It prioritizes low-income households. It serves seniors.

How do I apply for Washington State Senior/Disabled Property Tax Exemption in Mountlake Terrace, WA?

Apply directly with Snohomish County Assessor's Office using the official program link on this page or call (425) 388-3540. There is no middleman and no fee. Deadline: Apply by December 31 annually.

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