The Old Custom House is a building in what is now Old Montreal, which served as Montreal's first custom house. The building was completed in 1836, designed by Montreal architect John Ostell in the Palladian revival style. It is a National Historic Site of Canada. It now houses the fr:Fondation J. Armand Bombardier Pavilion of the Pointe-à-Callière Museum. The permanent exhibition Come Aboard! Pirates or Privateers? and a lunchroom recreating the look of a New France inn are in the building.