FAQs,
Forms,
And Files

First-half taxes are due postmarked by April 30 and second-half taxes are due postmarked by October 31. If your tax for any one account is less than $50, your entire tax is due by April 30.

Tax payments postmarked on or before the due date will be considered timely. Tax payments placed into the Swinomish Tax Authority's dropbox by midnight on the tax due date will be considered timely.

Checks should be made out to:
Swinomish Tax Authority

Mail your payment to:
Swinomish Tax Authority
PO Box 679
La Conner, WA 98257
... or deposit them in the dropbox labeled “GENERAL” located outside 11367 Moorage Way.

Late payments that do not include the appropriate amount of interest and/or penalties may be returned, so please contact the Tax Authority at (360) 542-7622 or tax@swinomish.nsn.us to ensure you are remitting the correct amount.

No. Partial payments, including those which do not include applicable interest and penalties, may be returned to you. If your payment is late, please contact us at (360) 542-7622 or tax@swinomish.nsn.us to get the total payment necessary, including any interest or penalties, to bring your account current.

Yes. Overdue taxes are assessed 1% interest per month on the annual amount due, a 30-day late payment penalty of 3% of the annual tax amount due, and a 180-day late payment penalty of 8% of the annual tax amount due. It is important to include applicable interest and penalties with your tax payment or your check may be returned to you. If your tax is being paid late, please contact us at (360) 542-7622 or tax@swinomish.nsn.us to get the total payment necessary to bring your account current.

If your total household income is $35,000 or less, and you are 61 years of age, disabled, or a disabled veteran of the armed services, then you may be eligible to receive a reduction in your assessed taxes. Contact our office to request an Exemption Claim Form to apply. Exemption Claim Forms need to be submitted prior to December 31 for taxes owed the following year. If you qualify, you will not need to reapply for 5 years unless your circumstances change, although you will be asked to verify your income annually.

If your total household income is more than $35,000, then you are not eligible for an exemption.

Previously, property taxes collected by Skagit County were distributed by the County to various taxing districts for government services. Trust Improvement Use and Occupancy taxes collected by the Swinomish Tax Authority also go toward essential governmental services, including, but not limited to

• Fire District 13
• La Conner School District
• La Conner Library

See our Home page for more detail

STC 17-11.200 allows for the establishment of this formal forum in which taxpayer representatives may share questions, suggestions and concerns with, and engage in dialogue with, the Senate Tax Committee, Chief Financial Officer, and/or Tax Administrator concerning the administration of the taxes established by STC 17-11.

The selection of representatives shall provide an opportunity for participation by persons with permanent improvements on Swinomish trust land in Shelter Bay, the Pull & Be Damned area, and on trust lands utilized for commercial purposes.

The Tribal-Taxpayer Consultation Council may meet at least annually, but may meet more frequently as is agreed to be necessary by the Tribal and Taxpayer participants.

The Tribal-Taxpayer Consultation Council may make recommendations for consideration by the Senate concerning the administration of the taxes established by this Chapter.