Opal Building Co.

5.0(20 reviews on Google)

Custom Home Builder listing in London, ON

About Opal Building Co.

Opal Building Co. is an award-winning design and build company serving London, Ontario and the surrounding area. Its services cover custom homes, home renovations, home additions and large loss rebuilds, plus commercial work. Design and construction come as one package, with drawings, engineering through licensed firms and permits handled before building starts. The custom home offer extends to teardown and rebuild projects and recovery from significant damage, and its new construction is described as energy-efficient. Rated 5.0 from 20 Google reviews, all five stars. Large loss rebuilds are a separate service line, and a discovery call can be booked online or by phone at (226) 680-0603. It offers transparent pricing and a step by step process meant to guide clients through each phase of a building project, from first concept to final walkthrough of the finished work.

What reviewers mention: designing (7), on budget (5), responsiveness (4), main floor renovation (2), client portal (2), reliable team (2), on schedule (2), timely work (2), thoroughness (2), workmanship (2)

Services and details

  • Builds custom homes

    Yes
  • Design and build under one roof

    Yes
  • Teardown and infill rebuilds

    Yes
  • Energy-efficient or Net Zero builds

    Yes
  • Also renovates and builds additions

    Yes
  • Handles permits and approvals

    Yes

No information yet on builds on your lot, sells homes in its own communities, luxury and estate homes, cottages and waterfront homes, timber frame or log homes, modular or prefab homes, states Tarion registration or an HCRA licence, home builders' association member. The website did not say; call and ask.

Contact

Hours

Monday
8AM-5PM
Tuesday
8AM-5PM
Wednesday
8AM-5PM
Thursday
8AM-5PM
Friday
8AM-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 London.