Intends that the Washington state association of county treasurers and Washington state association of county assessors convene a work group to develop a method to provide all property owners with detailed information about the property owner's property tax bill and should present its findings and recommendations to the fiscal committees of the legislature by December 1, 2009.

Requires that assessments regarding diking and/or drainage systems shall become due in two equal installments, on April 30th and October 31st.

Allows a county treasurer to use a verification of payment instead of a stamp to show evidence of payment for purposes of the real estate excise tax.

Requires a claim for a property tax refund to be filed within three years of the due date of the payment.