Built for “the best-known real estate operator in the city [Boston]”, this stunning townhouse, while narrow, packs a punch among the gorgeous homes on Marlborough Street in the Back Bay. This home was designed by the architectural firm of Winslow & Bigelow and built for Alexander Sylvanus Porter, Jr., and his wife Henrietta Goddard Wigglesworth. Mr. Porter was a partner of J.K. Porter & Co., auctioneers and real estate brokers. He was crucial for the development of many iconic buildings in Boston and New York, including the Touraine Hotel, the Boston Stock Exchange, the Brazer Building, and more. The townhome can be classified as Classical Revival with the symmetrical facade with central door, use of classical pilasters at the central bay, and decorative stone ornamentation on every floor.