45°25′12″N 75°42′08″W / 45.42000°N 75.70222°W
| C.D. Howe Building | |
|---|---|
 C.D. Howe Building | |
 | |
| General information | |
| Type | office tower with retail space |
| Architectural style | Postmodern |
| Location | Ottawa, Ontario, Canada |
| Address | 240 Sparks Street / 235 Queen Street |
| Named for | C.D. Howe |
| Completed | 1977-1978 |
| Opening | 1978 |
| Technical details | |
| Floor count | 11 (excluding 3 for retail below grade and parking garage) |
| Design and construction | |
| Architect(s) | Adamson Associates |
| Developer | Olympia and York |
| Other information | |
| Number of stores | 50 |
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The C.D. Howe Building (French: Édifice C.D.-Howe) is an office tower in Ottawa, Ontario, Canada, that is the home of Innovation, Science and Economic Development Canada, the Office of the Auditor General and other smaller tenants. It was built by Olympia and York. The federal government sold the land to O&Y for a dollar and signed an agreement to lease the final building for a set rate until 2012. The eleven-story building was opened in 1978. The building site was once The Embassy Restaurant from 1953 to 1974.[1]