Mississauga's Largest Collection of Historical Buildings

21. Montreal House (1821)

210 Queen Street South

John Barnhart’s “Montreal House” is the oldest remaining structure in Streetsville and the oldest store in Mississauga. It was home to Barnhart’s trading post and general store which was one of the earliest businesses in operation after Street began construction on his mill complex. John’s son, Jabez, started a newspaper upstairs in 1843, which became the Streetsville Review when Solomon J. Barnhart, Jabez’s brother, took over publication in 1846. The two-storey clapboard structure with medium pitched gabled roof is typical of commercial architecture in the early 19th century. The Barnhart family also operated a grist mill on the Credit River, where Reid Milling is still operating.