[3][4] Built in 1853,[5] it was designated as a National Historic Landmark in 1976 as one of the American South's finest and most lavish examples of Gothic Revival architecture.

[6][7][failed verification] The house is owned by the adjacent St. John's Episcopal Church, which offers tours and uses it as a meeting and reception space.

The main entrance has an iron portico believed to be unique in the United States, with octagonal posts supported a pair of arches.

[12] It was in this house in December 1864 that Sherman composed his famous telegram to President Lincoln, in which he communicated his desire to present to the President "as a Christmas Gift the City of Savannah, with one hundred and fifty heavy guns and plenty of ammunition, and also about twenty-five thousand bales of cotton"; the cotton belonged to Charles Green, the owner of the House.

[13][14] On January 12, 1865 Sherman and Secretary of War Edwin Stanton met with 20 Black Baptist and Methodist ministers—including Garrison Frazier, Ulysses L. Houston, and William Gaines—in what would later be called the "Savannah Colloquy" at the house.