Doors Open Ontario

The Doors Open Ontario 2018 season was a great success. Over 482,000 people visited sites in communities across the province. Thanks to our sponsors, partners and volunteers for their support, and to all who participated.

BYTOWN MUSEUM: Commissariat Building Doors Open Ottawa

BYTOWN MUSEUM: Commissariat Building

Discover the secrets hidden within Ottawa’s oldest stone building – the Commissariat, home of the BYTOWN MUSEUM – in this special behind-the-scenes tour! Learn about this spectacular heritage building from the foundation to the rafters – including the vault and stories of its former uses and inhabitants. One hundred and ninety-one years later, this building still has much to tell.

Tell us your story about this site

  • Partial wheelchair access
  • Washrooms
  • French services available
  • Kid-friendly
  • Guided tours available

Contact info

1 Canal Lane
Ottawa, Ontario
Telephone: 613-234-4570


Year built: 1827
Building type: Museum

Dates/hours open

Saturday June 2 – Sunday June 3, 2018
Saturday and Sunday: 10 a.m. to 4 p.m.

BYTOWN MUSEUM: Commissariat Building 1 Canal Lane