Gemstone Corporation

3.7(23 reviews on Google)

Custom Home Builder listing in Ottawa, ON

About Gemstone Corporation

Gemstone builds made-to-measure luxury homes in Ottawa, handling every part of the build whether on a client's own property or in one of its custom developments. It also renovates, including heritage homes in historic urban neighbourhoods, takes on commercial work and manages rental properties. Builder and vendor certificates are posted under HCRA regulations. The office is at 190 O'Connor Street in downtown Ottawa. Work is organized into custom build, renovation and commercial divisions, and a rentals side offers properties to lease. Project stories include a 2022 full home renovation that turned a cookie-cutter house into an elegant residence. Online estimates and onsite services are offered. Rated 3.7 from 23 Google reviews, 15 of them five stars and 7 one star.

What reviewers mention: management (3), communication (2), company (2)

Services and details

  • Builds custom homes

    Yes

  • Builds on your lot

    Yes

  • Luxury and estate homes

    Yes

  • Also renovates and builds additions

    Yes

  • States Tarion registration or an HCRA licence

    Yes

No information yet on design and build under one roof, sells homes in its own communities, teardown and infill rebuilds, cottages and waterfront homes, energy-efficient or Net Zero builds, timber frame or log homes, modular or prefab homes, handles permits and approvals, home builders' association member. The website did not say; call and ask.

Contact

Hours

Monday
8:30AM-5PM
Tuesday
8:30AM-5PM
Wednesday
8:30AM-5PM
Thursday
8:30AM-5PM
Friday
8:30AM-5PM
Saturday
Closed
Sunday
Closed

Listing compiled from public sources on 2026-10-19. Report a correction or request removal. Back to custom home builders in Ottawa.