If you are obtaining the forms for possible use in a real estate transaction, you should contact a real estate license holder or an attorney for assistance. In this article, we'll cover everything you need to know about Texas real estate purchase agreement templates.A unique application of customizable commercial real estate contract templates, including Purchase and Sale, Lease, and Listing agreements. A commercial real estate purchase agreement is a legal document between a buyer seeking to purchase commercial property from a seller for an agreed-upon price. How to fill out the Texas Commercial Real Estate Purchase Agreement? An attorney's explanation of an Office Purchase and Sales Agreement and its free template for commercial real estate. Seller will sell and convey the Property together with: (1) all buildings, improvements, and fixtures;. Before filling in the details of your real estate purchase agreement, identify the state where you will execute the contract.