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Reason One has been a tenant at 317 Adelaide St. W. for over 20 years. The buildings are well maintained and the entire Capitol Buildings staff are professional and responsible. Highly recommended.
Space that's
Inviting
Inspiring
Comfortable
Premium office space for discerning companies
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About Capitol Buildings
60+ Years of Experience
Building long-term relationships with tenants and communities.
Historic Character
Preserving and restoring architecturally significant Toronto buildings.
Modern Workspaces
Combining heritage features with today's workplace needs.
Tenant-Focused Approach
Creating spaces designed around tenant success.
Quality Ownership & Management
Providing dedicated service and maintaining exceptional properties.
Our Portfolio
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Our Properties
Available Now
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Current Availabilities
Immediate
400
12,375
sq ft
October 1, 2026
700
6,287
sq ft
Fall 2026
800
11,567
sq ft
Tenant Testimonials