Jonathan Barnes House
U.S. National Register of Historic Places
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Location	North Rd., Hillsborough Center, New Hampshire
Coordinates	43°8′51″N 71°56′2″W / 43.14750°N 71.93389°W / 43.14750; -71.93389
Area	2.5 acres (1.0 ha)
Built	1773 (1773)
Built by	Baldwin, Capt. Isaac
Architectural style	Georgian
NRHP reference No.	82001680[1]
Added to NRHP	March 1, 1982

The Jonathan Barnes House is a historic house on North Street in Hillsborough, New Hampshire. Built about 1775, it is locally distinctive as one of only a few colonial-era houses, and is a well-preserved example of Georgian styling. It has also seen a number of socially significant uses, serving at times as a tavern, library, music school, and fraternal lodge. Surviving interior architectural details provide a significant view into the history of tavern architecture.^[2] The house was listed on the National Register of Historic Places in 1982.^[1]

The Jonathan Barnes House stands in the rural village of Hillsborough Center, on the east side of the triangular junction of Center and North streets. It is a 2+1⁄2-story wood-frame structure, with a gabled roof, two interior chimneys, and a clapboarded exterior, and is oriented facing south. The main facade is five bays wide, with a center entrance flanked by Tuscan pilasters and topped by a transom window and gabled pediment. Windows are rectangular sash with corniced caps; that above the entrance is smaller than the others. Two additions project from the east side of the main building, one of which is also of early construction. An 18th-century barn is located on the property to the north of the house.^[2]

The interior of the house follows a typical center hall plan, with two rooms on either side of the main hall. The rooms on the west side of the hall have fixtures consistent with their use as a tavern, and the second-floor chambers above them have configurable partition walls, enabling the space to be turned into a single large ballroom.^[2]

The house was built c. 1773-75 for the Rev. Jonathan Barnes, the first settled minister of the town. Local lore says that it was built by Isaac Baldwin, a local master carpenter who lost is life in the Battle of Bunker Hill, early in the American Revolutionary War. The house has seen a wide array of uses, including as a library (founded in 1797), music school, marching band facility (1825), and Masonic lodge. The tavern-related features of the interior are among the best-preserved of their type in the region.^[2]

• National Register of Historic Places listings in Hillsborough County, New Hampshire
• New Hampshire historical marker no. 107: Colonial Grant