National Register of Historic Places
Langdon, Gov. John, Mansion
Also designated a National Historic Landmark.
Portsmouth, Rockingham County, New Hampshire
The record
- Listed
- December 2, 1974
- Type
- Building
- Address
- 143 Pleasant St., Portsmouth
- County
- Rockingham
- State
- New Hampshire
- Period of significance
- 1750 to 1824
- Contributing resources
- 1 building
- Coordinates
- 43.07554, -70.75574
- Reference number
- 74000197
Digital Commonwealth, Boston Public LibraryDavid Rumsey Map Collection, Stanford Libraries