The current church, prominently located at 140 Laurier Avenue West, at the corner of Elgin Street and Laurier Avenue West in Downtown Ottawa, was designed by architect James Mather and constructed 1877-8.

[1] The cornerstone was laid by then-Prime Minister, Alexander Mackenzie.

As a Baptist, Mackenzie worshiped at the church when he was in Ottawa after services began in 1878.

The First Baptist Church Ottawa erected memorial plaques which are dedicated to the members of the Congregation who served and to those who gave their lives during the Great War.

The First Baptist Church Ottawa erected a memorial plaque which is dedicated to the members of the Congregation who gave their lives and those who served during the Second World War (1939-1945).