Danielson Main Street Historic District is a 20 acres (8.1 ha) historic district

Historic district (United States)

In the United States, a historic district is a group of buildings, properties, or sites that have been designated by one of several entities on different levels as historically or architecturally significant. Buildings, structures, objects and sites within a historic district are normally divided...

 representing the commercial business district of the borough of Danielson

Danielson, Connecticut

Danielson is a borough in the town of Killingly in Windham County, Connecticut. The population was 4,265 at the 2000 census.-Geography:According to the United States Census Bureau, the borough has a total area of , of which is land and is water....

 in the town of Killingly, Connecticut

Killingly, Connecticut

Killingly is a town in Windham County, Connecticut, United States. The population was 16,472 at the 2000 census. It consists of the borough of Danielson and the villages of Attawaugan, Ballouville, Dayville, East Killingly, Rogers, and South Killingly....

.

It was listed on the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

in 1992. At the time, the district included 49 contributing buildings.

The district focusses upon commerce. It consists primarily of commercial buildings, and is drawn to exclude nearby residential areas and industrial areas, even historic ones. The district runs along Main Street from Water Street to Spring Street.

Significant properties in the district include:

• Cyr Building (photo 9)
• Evans Block (photo 10)
• Attawaugan Hotel
• Diamond Building