723 - 725 North Duke Street Lancaster, PA
Townhouses faced with green serpentine stone line this unusual, green-tinted block. They were built ca. 1886. There are six of these green-stone double houses here (12 units), creating the largest display of green serpentine houses in Lancaster.
The houses are in the Second Empire style, with mansard roofs, quoined corners, bracketed cornices, and brick sides. Some of the windows have their original Queen Anne style sash with colored glass. These two houses, of 12 total on this block, are 723 and 725 North Duke Street, Lancaster, PA.