| Tammany | |
| Location: | Northeast of Williamsport off U.S. Route 11, Williamsport, Maryland |
| Coordinates: | 39.6108°N -77.7956°W |
| Architecture: | Georgian |
| Added: | September 24, 1979 |
| Refnum: | 79003262 |
Tammany, or Mount Tammany, is a historic home located at Williamsport, Washington County, Maryland, United States. It is a two-part brick structure resting on low fieldstone foundations. The main block is a two-story, three-bay structure with a side hall entrance. Attached to its north gable wall is a two-story five-bay structure also of brick. The house features a one-story porch with a low-hipped roof, supported by round Doric columns. It is believed to have been built in the 1780s by Matthew Van Lear, a prominent early resident of Washington County.[1]
It was listed on the National Register of Historic Places in 1979.