Moffatt-Ladd House

The Simeon P. Smith House is a historic house at 154 High Street in Portsmouth, New Hampshire. Built in 1810–11, it is a fine example of a Federal-style duplex, built for a local craftsman, and one of a modest number of such houses to survive a devastating fire in 1813. It was listed on the National Register of Historic Places on November 14, 1972.

The Portsmouth Parade Historic District is an area in Portsmouth, New Hampshire, which was formerly listed in the National Register of Historic Places (NRHP). The district is known locally as "The Hill", a cluster of closely spaced historic houses bounded on the north by Deer Street and the east by High Street at the northern edge of downtown Portsmouth. The grouping was created by a road widening project, from houses originally located on or near Deer Street.

The Jeremiah Hart House is a historic house at The Hill in Portsmouth, New Hampshire. Probably built in the late 18th century, it is a well-preserved example of a late Georgian urban residential structure. It was originally located on Deer Street, and was moved as part of a road widening project. It was listed on the National Register of Historic Places in 1972.

The Hart-Rice House is a historic house at 408 The Hill in Portsmouth, New Hampshire. It is located on The Hill, a cluster of closely spaced historic buildings southeast of Deer Street, some of which were moved to the site as part of a road widening project. Built sometime between 1749 and 1756, it is a little-altered example of Georgian architecture with only modest Federal period alterations. It was listed on the National Register of Historic Places in 1972.

The Phoebe Hart House is a historic house at The Hill in Portsmouth, New Hampshire, USA. Built about 1808–10, it is a well-preserved example of a middle-class urban Federal style house. It was listed on the National Register of Historic Places in 1973. It now houses professional offices.

The Nutter-Rymes House is a historic house at 409 The Hill in Portsmouth, New Hampshire. Built in 1809, it is an unusual double house with an arched carriageway in the middle, and an important surviving early example of urban residential design in the city. The house was listed on the National Register of Historic Places in 1972. Currently it is occupied by the apart-hotel THE INN Downtown.

The Samuel Beck House is a historic house at 407 The Hill in Portsmouth, New Hampshire. Built about 1761, it is a well-preserved example of late colonial architecture with an early Federal period door surround. The building was moved to its present location as part of a project to widen nearby Deer Street. The house was listed on the National Register of Historic Places in 1973.

The John Hart House is a historic house at 403 The Hill in Portsmouth, New Hampshire. Built in the late 18th century, this comparatively modest house exhibits stylistic changes reflective of architectural trends up to the mid 19th century. It was moved to its present location in the 1970s as part of a road widening project. It was listed on the National Register of Historic Places in 1972.

The Daniel Pinkham House is a historic house at 400 The Hill in Portsmouth, New Hampshire. Built c. 1813–15, it is one of the finest Federal period houses surviving on the city's north side. It was listed on the National Register of Historic Places in 1972.

The Joshua Wentworth House is an historic building in Portsmouth, New Hampshire, which was formerly individually listed in the National Register of Historic Places. The building was again listed in 1975 as a contributing resource to the Strawbery Banke Historic District and is a contributing resource to the Portsmouth Downtown Historic District placed on the National Register of Historic Places in 2017.

The North Church of Portsmouth, New Hampshire, United States, is a historic Congregational church located in Market Square. Sited directly across from the Portsmouth Athenæum, it features an Italianate edifice and a steeple visible from most of the city, the Piscataqua River, and communities on its western bank in Maine. Its spire has been referred to as Portsmouth's "landmark of record". The church is home to Portsmouth's United Church of Christ congregation.

The Portsmouth Athenæum is an independent membership library, gallery, and museum in Portsmouth, New Hampshire, United States. It preserves and provides access to an extensive collection of manuscripts, rare books, photographs, artworks and artifacts, and digital collections related to local history and genealogy, in addition to a circulating library for its membership. As an intellectual center of the community, it sponsors exhibitions, concerts, lectures, and other educational and cultural programs. The building, dating to 1805, has been listed on the National Register of Historic Places since 1973.