The construction of Brass Mill Center essentially replaced the older Naugatuck Valley Mall, built in 1969 and located on the city's northeast suburban side.

[6] Numerous former tenants include Shaw’s Supermarket, Steve & Barry's, Hometown Buffet and OfficeMax, which closed in 2007, 2009, 2011, and 2014 respectively.

[11] On January 6, 2021, Macy's announced after a strategy had been implemented by them to solely focus on their highest achieving outposts that they had selected against staying on at the shopping center.

[12] On April 19, 2022, Kohan Retail Investment Group acquired Brass Mill Center for $44.9 million.

[13] On September 26, 2022, it was announced that Regal Cinemas would be ending its lease as a result of restructuring its established long-term debt due to the COVID-19 outbreak.