The Middletown Alms House is a historic building at 53 Warwick Street in Middletown, Connecticut, constructed in 1813–1814. It was originally used as a poorhouse and is the oldest surviving building built for housing the poor in Connecticut, as well as one of the oldest such in the United States. One of the largest structures of the Federal period in Middletown, it was listed on the National Register of Historic Places in 1982.
The Eells-Stow House is operated as a historic house museum at 34 High Street in Milford, Connecticut. Built as a private residence and with a construction history dating to c. 1700, it is believed to be Milford's oldest surviving building. It has a complex history of later additions and alterations. It was listed on the National Register of Historic Places in 1977. It is now owned by the Milford Historical Society.
The John Tyler House is a historic house at 242–250 East Main Street in Branford, Connecticut. Built about 1710, it is one of the town's few surviving 18th-century residences, and good example of late First Period architecture. The house was listed on the National Register of Historic Places in 1988.
The Benjamin Colton House is a historic house at 25 Sedgwick Road in West Hartford, Connecticut. Probably built about 1770, it is one of the town's few surviving 18th-century houses. It was listed on the National Register of Historic Places on September 10, 1986.
The Daniel Hosmer House is a historic house at 253 North Main Street in West Hartford, Connecticut. Built about 1774, it is one of the town's small number of surviving 18th-century buildings, and is a well-preserved example of a Georgian farmhouse. The house was listed on the National Register of Historic Places on September 10, 1986.
The Samuel Farnsworth House is a historic house at 537 Mountain Road in West Hartford, Connecticut, United States. Probably built about 1797, it is one of West Hartford's few surviving 18th-century buildings, and a particularly rare example of a small vernacular single-story cottage. The house was listed on the National Register of Historic Places on September 10, 1986.
The Clark Homestead is a historic house on Madley Road in Lebanon, Connecticut. Built c. 1708, it is believed to be Lebanon's oldest building. It was owned in the late 18th century by James Clark, a veteran of the American Revolutionary War. The house was listed on the National Register of Historic Places on December 1, 1978.
The Jedidiah Dudley House, is a historic house on Springbrook Road in Old Saybrook, Connecticut. Built in the second half of the 18th century, it is a good example of period architecture, and is notable for its association with a family of ferry operators on the nearby Connecticut River. It was listed on the National Register of Historic Places in 1982.
The John Whittlesey Jr. House is a historic house at 40 Ferry Road in Old Saybrook, Connecticut. With a construction history estimated to date to the 1690s, it includes in its structure one of Connecticut's oldest surviving buildings. It was listed on the National Register of Historic Places in 1984.
The Pelatiah Leete House is a historic house at 575 Leete's Island Road in Guilford, Connecticut, United States. Built in 1710 by Pelatiah Leete, it is the oldest surviving house associated with the locally prominent Leete family, who were among the founders of the New Haven Colony. The house was listed on the National Register of Historic Places in 1974.
The John Adams Homestead/Wellscroft is a historic farmstead off West Sunset Hill Road in Harrisville, New Hampshire. The oldest portion of the farm's main house is a 1+1⁄2-story wood-frame structure built in the 1770s. It is one of the least-altered examples of early Cape style architecture in Harrisville, lacking typical alterations such as the additions of dormers and changes to the window sizes, locations, and shapes. The farmstead, including outbuildings and an area of roughly 2 acres (0.81 ha) distinct from the larger farm property, was listed on the National Register of Historic Places.
The Moses Eaton Jr. House is a historic house on Hancock Road in Harrisville, New Hampshire. Built about 1782, it is one of the oldest houses in the eastern part of Harrisville, and was home for fifty years to the itinerant folk stenciler Moses Eaton Jr. The house was listed on the National Register of Historic Places in 1988.
The McClure-Hilton House is a historic house at 16 Tinker Road in Merrimack, New Hampshire. The oldest portion of this 1+1⁄2-story Cape style house was built c. 1741, and is one of the oldest surviving houses in the area. It was owned by the same family for over 200 years, and its interior includes stencilwork that may have been made by Moses Eaton Jr., an itinerant artist of the 19th century. The property also includes a barn, located on the other side of Tinker Road, which is of great antiquity. The property was listed on the National Register of Historic Places in 1989.
The Captain Jonathan Currier House is a historic house on Hillside Avenue in South Hampton, New Hampshire. Built about 1742, it is the oldest surviving house in Currierville, one of the early settlement areas in South Hampton. It was listed on the National Register of Historic Places in 1983.
The Elijah Locke House is a historic house at 5 Grove Road in Rye, New Hampshire. Traditionally ascribed a construction date of 1739, it is one of the oldest surviving buildings in New Hampshire's Seacoast region. It was listed on the National Register of Historic Places in 1979.
590 West Street is a historic house in Southington, Connecticut. Built about 1790, it is one of the town's small number of surviving 18th-century houses, and a well-preserved example of Georgian colonial architecture. It was listed on the National Register in 1989.
The William Harvey House is a historic house at 1173 Windor Avenue in Windsor, Connecticut. Built in 1868, it is a good local example of Italianate architecture, executed in brick. It was listed on the National Register of Historic Places in 1988.
The John Hollister House is a historic house at 14 Tryon Street in the South Glastonbury village of Glastonbury, Connecticut. Built about 1675, it is the town's oldest surviving colonial structure, built by one of its early settlers. It was listed on the National Register of Historic Places in 1972.
The William Jerome I House is a historic house at 367 Jerome Avenue in Bristol, Connecticut. Probably built in 1742 by one of Bristol's early colonial settlers, it is one of the city's oldest surviving buildings. It was listed on the National Register of Historic Places in 1987.
The Kensington Soldiers' Monument is a historic war memorial located at 312 Percival Road, on the grounds of the Kensington Congregational Church in Berlin, Connecticut. Erected in 1863, it is one of the oldest memorials to the American Civil War in the United States, and the first to be erected in Connecticut. It is a modest brownstone obelisk, with an accompanying cannon. It was listed on the National Register of Historic Places in 2013.
