An Offer to Purchase Real Estate sets out the terms of a proposed real estate deal. Create yours now with our free form.Want to Stand Out From The Competition? A Washington residential purchase agreement is used when making an offer to purchase real estate. The agreement initiates the negotiation process. The first step is the details. Scroll down to the bottom of this section to define the purchase price, offer date, expiration date, and closing date. Learn how to craft a standout property offer letter with essential tips and a free template. Increase your chances of success in the competitive This form notes the utility sources for the property.