An Update - Properties that the Federal Government of Canada wanted to sell in 2007.

1.) Constitution Building - 305 Rideau Street Ottawa.

2.) Major General G.R. Pearkes Building, 101 Colonel By Drive, Ottawa.

3.) The Sir Charles Tupper Building, Sir Leonard Tilley Building and the Taxation Data Centre may be flattened prior to the redevelopment of the 257-acre Confederation Heights campus. The CBC Headquarters may be spared; however, once a federal building is privatized, it loses all heritage designation and protection. The Taxation Data Centre encompasses 150 acres of land.
 Should private real estate companies own federal buildings.
The Sir Leonard Tilley Building and the CBC Building at 1500 Bronson are vacant.

4.) RCMP National Headquarters, 1200 Vanier Parkway Ottawa - RCMP staff are moving to a rented space at JDS Uniphase. Public Works Canada is "currently reviewing options for the future use of the asset and, as such, a new tenant has not been identified." (From: "Thousands of buildings owned by Ottawa are crumbling and need repair database shows" by Diana Zlomislic, thestar.com; April 21, 2012.)
1200 Vanier Parkway, the RCMP Headquarters, were named in honour of L.H. Nicholson, the first Commissioner of the RCMP. It is a Parks Canada heritage property.

RCMP National Headquarters - 1983.

5..) Thomas d'Arcy McGee Building - 90 Sparks Street Ottawa. 

 6.) Lester B. Pearson Building - 125 Sussex Drive Ottawa.

7.) Sir William Logan Building, 580 Booth Street Ottawa.

8.) Place du Portage - Phase 1 and 2 - 50 Victoria Street, Hull sector of Gatineau, Quebec.

9.) Place du Portage - Phase 111 - 11 Laurier Street Hull.

10.) Place du Portage - Phase 1V - Promenade du Portage Hull.

11.) Gatineau Preservation Centre - 625 Boulevard du Carrefour, Gatineau.

12.) National Printing Bureau - 45 Sacre-Coeur Boulevard, Gatineau.

13.) Asticou Centre - 241 Boulevard de la Cite-des-Jeunes. - A public service training centre in Hull, Quebec, built on a 64-acre parcel.

14.) West Memorial Building, Ottawa and East Memorial Building - Wellington Street in Ottawa.

15.) The 111 Sussex Complex - Also known as "Green Island".

(All 2007 information is from a February 21, 2007 Ottawa Citizen article.).