Property Tax 101

Island County, Washington - Assessor's Office

The Island County Assessor is responsible for appraising real estate and assessing a property tax on properties located in Island County, Washington. You can contact the Island County Assessor for:

• Information on your property's tax assessment
• Checking the Island County property tax due date
• Appealing your property tax appraisal
• Paying your property tax
• Reporting upgrades or improvements
• Your property tax bill

PO BOX 5000The Island County Assessor's Office is located in Coupeville, Washington. Coupeville is the county seat of Island County, where most local government offices are located.

Island County Assessor Contact Information

Additional Island County Information

Island County Assessor's Office Services

There are three major roles involved in administering property taxes - Tax Assessor, Property Appraiser, and Tax Collector. Note that in some counties, one or more of these roles may be held by the same individual or office. For example, the Island County Tax Assessor may also serve as the Island County Tax Appraiser.

1. The Island County Tax Assessor is responsible for setting property tax rates and collecting owed property tax on real estate located in Island County.
2. The Island County Property Appraiser is responsible for determining the taxable value of each piece of real estate, which the Tax Assessor will use to determine the owed property tax.
3. The Island County Tax Collector is responsible for collecting property tax from property owners. They issue yearly tax bills to all property owners in Island County, and work with the sheriff's office to foreclose on properties with delinquent taxes.

When contacting Island County about your property taxes, make sure that you are contacting the correct office. You can call the Island County Tax Assessor's Office for assistance at 360-679-7303. Remember to have your property's Tax ID Number or Parcel Number available when you call!

If you have documents to send, you can fax them to the Island County assessor's office at 360-240-5565. Please call the assessor's office in Coupeville before you send documents or if you need to schedule a meeting. If you have general questions, you can call the Island County Courthouse at 360-679-7354.

Learn More

Find the tax assessor for a different Washington county

Find property records for Island County

The median property tax in Island County, Washington is $2,159.00

All of the Island County information on this page has been verified and checked for accuracy.
If any of the links or phone numbers provided no longer work, please let us know and we will update this page.