Levi B. Frost House

The Barnes-Frost House is a historic house at 1177 Marion Avenue in the Marion section of Southington, Connecticut. Built about 1795, it is a high quality local example of late Colonial architecture, with a history of ownership by members of prominent local families. It was listed on the National Register of Historic Places in 1989.

Marion is a neighborhood in the town of Southington, Connecticut. It is generally the area in the vicinity of the intersection of Route 322 and Marion Avenue just north of the Cheshire town line.The neighborhood includes the Marion Historic District which is listed on the National Register of Historic Places.

Mount Southington Ski Area is located in Plantsville, Connecticut, United States, on Mount Vernon Road.

The Clark Brothers Factory No. 2, also known as Clark Brothers Bolt Company, is an industrial complex at 409 Canal Street in Southington, Connecticut. Built between 1911 and 1918, the complex is a good example of vernacular industrial architecture of the early 20th century, and was home to one of the community's major industrial employers. The complex was listed on the National Register of Historic Places in 1988.

The Josiah Cowles House is a historic house at 184 Marion Avenue, in the Plantsville section of Southington, Connecticut. Built in the mid-18th century, it is a well-preserved local example of Georgian architecture. It was listed on the National Register of Historic Places in 1989. It presently houses a bed and breakfast inn.

The Atwater Manufacturing Company is a historic industrial property at 335 Atwater Street in Southington, Connecticut. The company, founded in 1867 and now known as Rex Forge, has long been one of Southington's major industrial employers. The ten extant buildings of the complex date as far back as 1912, and are an important element of the town's industrial past. The property was listed on the National Register of Historic Places in 1988.

The Clark Brothers Factory No. 1 was a historic industrial complex at 1331 South Main Street in the Milldale area of Southington, Connecticut. Developed beginning in the 1850s, it was one of the nation's largest sources of carriage bolts. The complex listed on the National Register of Historic Places in 1988 consisted of a group of brick buildings dating to 1893 and later. It has since been entirely demolished, and the land stands vacant and overgrown.

Rev. John Wightman House is a historic American colonial house at 1024 Mount Vernon Road in Southington, Connecticut. It was built about 1770 for the town's second Baptist minister, and is a good local example of Georgian architecture. It was added to the National Register of Historic Places in 1989.

Milldale is a neighborhood in the incorporated town of Southington, Hartford County, Connecticut.

The H. D. Smith Company Building (also known as the American Standard Company Building) is a historic industrial building at 24 West Street in Plantsville, Connecticut. With a construction history dating to 1882, it is one of the more architecturally interesting examples of Southington's industrial architecture, and was home to H. D. Smith & Co. from construction to the 1920s. It was listed on the National Register of Historic Places in 1977.

The Valentine Wightman House was a historic house at 1112 Mount Vernon Road in Southington, Connecticut. It was built around 1800 and was added to the National Register of Historic Places in 1989. It has apparently been demolished.

The Selah Barnes House is a historic house at 282 Prospect Street Southington, Connecticut. Built about 1778 for a local merchant, it is a good local example of vernacular Georgian architecture. It was listed on the National Register of Historic Places in 1989.