The Unionville Historic District runs laterally along the north side of Farmington Avenue, encompassing small enclaves that represent 19th and early 20th century housing, recreational facilities, a cemetery and a firehouse. The district is located north of Route 4 (Farmington Avenue), between the junctions with Route 167 (West Avon Road) and Route 177 (Lovely Street). It lies in the heart of what was once a vibrant manufacturing community, beginning in the early 19th century with a sawmill, gristmill and woolen mill on Roaring Brook, a waterway which runs south through Lion's Park, along Cottage Street and into the Farmington River. The original Tunxis Hose Firehouse, a Queen Anne brick structure, is listed on the National Register of Historic Places (NRIS 83001266). [2]

The Unionville Historic District is important as a microcosm of the town's vitality as a 19th and early 20th century manufacturing center. During this period, Unionville businesses thrived, using the power of the Farmington River to run mill and operate a canal network. The house on Cottage Street are remnants of the optimistic residential building that grew out of this economic vitality, and the parks, cemetery and firehouses are vestiges of the recreation and services that manufacturers and private associations provided for the workers. All buildings possess integrity and the parks, now owned by the town, are maintained carefully. [2]

[1] District information retrieved from the town website http://www.farmington-ct.org/.
[2] Unionville Historic District Study Report, 2007, SHPO Library, Hartford.
[3] Assessors information and Parcel IDs retrieved from the website http://www.farmington-ct.org/landrecords/search.php.

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