Download coordinates as: This is a list of properties and historic districts in Middletown, Connecticut that are listed on the National Register of Historic Places.
There are 35 in the city, which is a large portion of all NRHP listings in Middlesex County.
There are 89 others in the county, listed here.
The Middletown listings are:
Fairfield (city of Bridgeport) (town of Greenwich) (city of Stamford) | Hartford (city of Hartford) (town of Southington) (town of West Hartford) (town of Windsor) | Litchfield | Middlesex (city of Middletown) | New Haven (city of New Haven) | New London | Tolland | Windham This National Park Service list is complete through NPS recent listings posted February 14, 2025.