Understand key disclosure requirements for sellers in Washington state and learn how to comply effectively. You can use our web site to look up your taxes for the current tax year for your real property and personal property taxes.By law, most sellers of real property must provide a completed Seller Disclosure Statement (aka Form 17) to any buyer. Fill out all of this form and other papers you are attaching before you sign this form in front of a notary. The Department recognizes three categories of property tax exemption: General. Restricted, and Individual. The notice shall include a statement that is substantially in the following form: This property is undergoing foreclosure. (7) A transfer in which the buyer has expressly waived the receipt of the seller disclosure statement. You may fill out the application form in private. Property in the General category is totally exempted from property taxation. 1.