Callahan House, National Park Service photo
|Location||U.S. 29, south of Milford, Dingman Township, Pennsylvania|
|Area||2 acres (0.81 ha)|
|Built||c. 1800, c. 1820|
|NRHP reference #||79000244|
|Added to NRHP||July 23, 1979|
The Callahan House, also known as the Jacob Helm House, is a historic home located in the Delaware Water Gap National Recreation Area south of Milford, in Dingman Township, Pike County, Pennsylvania. It was built in two sections, with the older dated to about 1800 and the later to about 1820. It is a long, 1 1/2-story, clapboard-clad frame dwelling with a steep gable roof. It features exposed chimney backs at the first floor exterior in the Dutch style, and a porch along the newer wing.
- "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
- "National Historic Landmarks & National Register of Historic Places in Pennsylvania" (Searchable database). CRGIS: Cultural Resources Geographic Information System. Note: This includes Wayne K. Bodle (April 1977). "National Register of Historic Places Inventory Nomination Form: Callahan House" (PDF). Retrieved 2012-05-30.
- Jacob Helm House, U.S. Route 209 (Dingman Township), Milford, Pike County, PA: 9 photos, 9 data pages, and 1 photo caption page, at Historic American Buildings Survey