A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. GCAAR MEMBERS ONLY – Download all the contracts, disclosures, and forms you will need for a real estate transaction in Washington, DC.Learn everything you need to know about wholesaling contracts at Real Estate Skills. A commercial purchase agreement is a legal real estate contract that transfers commercial property ownership from a seller to a buyer. Need a real estate contract to sell your property? Use and customize a FREE real estate purchase agreement in minutes. A sales contract is an important agreement between the seller and buyer, outlining the terms of the sales agreement. Seller agrees to sell to Buyer and Buyer agrees to purchase from Seller the following described real estate in. Real estate forms and contracts for Washington, DC and Montgomery County, MD. Sales contracts, buyer's agreement, rental forms, leasing agreements. Many REALTORS® contact the National Association looking for real estate forms.