Pay Property Tax Online in the County of Island, Washington using this service!
Property taxes are due April 30. However, if a first half tax payment is made (pay or postmark) by April 30, the second half taxes may be paid (or postmarked) by October 31 without interest or penalty. If the due date falls on a Saturday, Sunday, or holiday, the payment shall be considered timely if postmarked on the next business day (RCW 1.12.070).
Yes. You may pay your property taxes online with a VISA, VISA Debit, MasterCard, or Discover. A convenience fee will be charged by electronic payment vendor. See Paying Your Taxes.
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