Canterra Tower

{{Short description|Skyscraper in Calgary, Alberta, Canada}}

{{Infobox building

|name = 400 Third

|status = Complete

|image = Canterra 1.jpg

|image_size = 150px

|caption = 400 Third (Formerly Devon Tower, Canterra Tower)

|location = Calgary, Alberta, Canada

|coordinates = {{coord|51|03|04.1|N|114|04|14.6|W|region:CA_scale:5000|display=inline,title}}

|start_date =

|completion_date = 1988

|architect = WZMH Architects

|owner = Oxford Properties

|cost =

|floor_area =

|top_floor =

|floor_count = 45

|building_type = Office

|antenna_spire =

|roof = {{convert|177|m|ft|abbr=on}}

|elevator_count =

|structural_engineer=

|main_contractor = PCL Construction

|opening =

|developer =

|management = Oxford Properties

}}

400 Third{{Cite web |title=400 Third {{!}} Oxford Properties |url=https://www.oxfordproperties.com/lease/office/devon-tower |access-date=2023-05-15 |website=www.oxfordproperties.com}} (formerly known as Devon Tower from 2011 - 2023, and Canterra Tower from opening until 2011) is a skyscraper in Calgary, Alberta, Canada.

Located at 400 3rd Avenue SW, it stands at {{convert|177|m|ft}} or 45 storeys tall.{{Cite web| url= http://skyscraperpage.com/cities/?buildingID=5477 | title= 400 Third| author= Skyscraper Pages| accessdate= 2007-06-17}} The building was completed in 1988 and was designed by WZMH Architects in the postmodern style.{{Cite web| url= http://www.emporis.com/en/wm/bu/?id=112478| archive-url= https://web.archive.org/web/20040517005808/http://www.emporis.com/en/wm/bu/?id=112478| url-status= usurped| archive-date= May 17, 2004| title= 400 Third| author= Emporis| authorlink=Emporis| accessdate= 2007-06-17}} It was built with glass curtain walls on all sides.

The building is owned and managed by global real estate investor, developer and owner Oxford Properties, and major tenants in the building include Norton Rose Fulbright LLP, one of Canada's largest law firms.