Commercial Real Estate Single Tenant Office or Retail use building for Sale. The Commercial Real Estate Buidling offers you as a business to buy your own building using the SBA 7A loan program with as little as 0% down. This is a perfect opportunity for a business owner to go from renting to owning while taking advantage of all of the legal tax write offs in which take your total taxable income down therefore, paying less taxes. Inquire today about the 0% down loan program!