A Texas commercial real estate purchase and sale agreement documents terms for the transfer of ownership of property used for business purposes. 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.Seller will sell and convey the Property together with: (1) all buildings, improvements, and fixtures;. An attorney's explanation of an Office Purchase and Sales Agreement and its free template for commercial real estate. In this article, we'll cover everything you need to know about Texas real estate purchase agreement templates. 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. A unique application of customizable commercial real estate contract templates, including Purchase and Sale, Lease, and Listing agreements.