Assessor's Office

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Assessor's Office

Assessor: David M. Thomas

Mission Statement
Our mission is to serve the citizens of Skagit County by striving for the highest level in equity of assessment, efficiency of operation, and professionalism of our staff.


Senior Citizen and Disabled Persons property tax exemption

The Senior Citizen and Disabled Persons property tax exemption helps reduce your property tax liability. The qualifying criteria for the program is based on your age and/or disability, residency and income.

The 2019 state legislature passed ESSB 5160, which changed the income thresholds specific to each county based on percentage of the median household income of the county. The residency requirement has also changed to a minimum of nine months out of the year. As a result, Skagit County’s new income limits are as shown below:

Levels of Reduction for 2020 Taxes* Percentage of Median Household Income
A    Income=0-$30,000 Exempt from regular property taxes on $60,000 or 60% of the valuation, whichever is greater, plus exemption from 100% of excess levies. 45%
based on $65,216*)
B    Income=$30,001-$35,869 Exempt from regular property taxes on $50,000 or 35% of the valuation, whichever is greater, not to exceed $70,000, plus exemption from 100% of excess levies. 55%
based on $65,216*)
C    Income=$35,870-$42,390 Exempt from 100% of excess levies. 65%
based on $65,216*)
*Median household income reported by the Office of Financial Management

These new thresholds apply to 2019 income for tax relief in 2020. The new law provides adjustment to the income limits every five years. The Senior Citizen and Disabled property tax deferral program also has a new qualifying threshold of $48,912 (75% of median household income). For information on these tax relief programs, please see links to DOR publications on this site or call the Assessor’s Office at (360) 416-1780.


Information On Property Tax Procedures: 2019

About the Assessor's Office

The assessor acts as an agent for the Washington State Department of Revenue and is responsible for administering the property tax system for the county. This process involves establishing real and personal property values for distributing taxes for each tax district, as well as reviewing each tax district’s budget request to assure all legal requirements and limitations are met. The assessor also administers and monitors compliance for recipients of tax benefit programs, such as the Senior Citizen and Disabled Exemption program and the various Current Use programs for properties used for agriculture, timber and open space.

imapThis web site has been prepared to answer questions you might have about the property tax system in Skagit County. There are no unique rules or R.C.W.'s in Skagit County.

The property tax system is designed to treat all taxpayers equally across the State of Washington. My office works hard to treat everyone fairly and promptly. In these pages you will find a group of commonly asked questions about revaluations, the Board of Equalization, values, levies, and an assortment of useful information.

I welcome any comments or suggestions you may offer for improving this website to better serve the needs of the users and citizens of Skagit County.


David M. Thomas

Skagit County Assessor

Assessor Sales Data.
This tool will enable you to search valid sales dating back three years and is illustrated by a colored legend to associate the year of the sale. This tool is built into Imap and you can select other layers or views if you prefer. The details for a selected parcel will appear in a new window.
You can view the Sales Data iMap layer here.

Assessor: Dave Thomas

Office Hours: 8:30 to 4:30 Mon - Fri
700 South 2nd Street, Room 204
Mount Vernon, WA 98273

Phone: (360) 416-1780
FAX: (360) 416-1790

Dave Thomas
Assessor: Dave Thomas