[1] The building was designed by architects Thomas W. Fuller and James Henry Craig and originally served as Toronto's federal customs clearing house for the former Department of National Revenue.

[2] By March 23, 2017, Larco Investments, owner of Ottawa's Chateau Laurier, had bought the Dominion Public Building.

In 2015, Public Works and Government Services Canada requested that the City of Toronto's Heritage Preservation Services assess the property to determine whether it was worthy of designation as an individual property under Part IV, Section 29 of the Ontario Heritage Act.

[10] The Modern Classicism Dominion Public Building at 138 Wyndham Street North in Guelph, Ontario was built to house RCMP, Department of Agriculture, and post offices, and its construction contributed to the later demolition of the city's earlier post office and customs house.

The Dominion Public Building at 45 Main Street East in Hamilton, Ontario, opened in 1935 as a post office replacing an 1880s structure.