This Chestnut Hill townhouse was built ca. 1874 for watch maker / developer Godfried M. Zahm and wife Sarah (Hensel) Zahm. Mr. Zahm was very influential in the development of Lancaster’s West End. He built numerous houses in this neighborhood.
The house was remodelled in the Colonial Revival style in the early 20th century. It features a central entry with pilasters and arched pediment, keystoned lintels, a dentilled cornice. and a brick water table. There is a long wing to the rear.