Applicants proposing to purchase property or to complete work on private property must include the Landowner Acknowledgement Form with their application. This document is an acknowledgment receipt for the sale of real property, listing the seller, buyer, amount paid, and property details including location andPlease complete the following form. Do not leave any spaces blank. Utilize our Real Estate Purchase Agreement to delineate a proposal for purchasing real estate and define the terms of the sale. A Washington notary acknowledgment form is used to officially authenticate a signature on a legal document. 3. Property. Fill out the street (physical) address of the property the buyer is purchasing. Include any unit or apartment number, if applicable. A Washington land contract is a formal sale agreement between two parties transferring ownership of vacant real estate. All you have to do is fill out our easy-to-understand questionnaire.