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. A Texas commercial real estate purchase and sale agreement documents terms for the transfer of ownership of property used for business purposes.Seller will sell and convey the Property together with: (1) all buildings, improvements, and fixtures;. A commercial real estate purchase agreement is a legal contract between the buyer and seller of a commercial property. A skilled Houston sales and purchase attorney will help you to make prudent decisions. We have decades of experience advising business owners and entrepreneurs. A Texas residential purchase agreement outlines the terms and conditions of an offer to purchase real estate. A purchase contract in real estate is a legally binding agreement between a buyer and a seller regarding the sale of a property. A commercial purchase agreement is a legal real estate contract that transfers commercial property ownership from a seller to a buyer.