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in Ontario

Connect with Ontario's finest custom home builders. Browse verified contractors by region, explore completed projects, and find your perfect match — completely free.

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Featured Builders

A selection of Ontario's top-rated custom home builders, known for quality craftsmanship and client satisfaction.

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City, ON· Est. Year
Company Name

Short description — specialty, service area, and what sets this builder apart from others in the region.

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Tell us about your project and we'll connect you with the best custom home builders in your region — plus check if you qualify for an Ontario HST rebate.

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Our Story in Motion

A cinematic look at what OntarioCustomBuilders.ca is all about — connecting dream homes with the builders who bring them to life.

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How It Works

Whether you're a homeowner searching for the perfect builder, or a contractor looking for new clients — we make the connection effortless.

1
Browse by Region
Search Ontario's top custom builders by city or region. Filter by specialty, project type, or years of experience to find your ideal match.
2
Explore Profiles & Projects
View detailed builder profiles, completed project galleries, and client reviews. Get a real sense of their craftsmanship before making contact.
3
Connect & Build
Reach out directly to your chosen builder. And don't forget your HST Rebate — you could recover tens of thousands after project completion.
Explore Ontario

Browse by Region

Custom builders serving every corner of Ontario — from cottage country to the GTA.

Greater Toronto Area
Greater Toronto Area
92 builders
Muskoka & Cottage Country
Muskoka & Cottage Country
44 builders
Ottawa & Eastern Ontario
Ottawa & Eastern Ontario
58 builders
Barrie & Simcoe
Barrie & Simcoe
36 builders
Niagara Region
Niagara Region
28 builders
London & Southwestern
London & Southwestern
42 builders
Georgian Bay
Georgian Bay
20 builders
Don't Leave Money on the Table

You May Be Owed an HST Rebate

When you build or substantially renovate a home in Ontario, you may qualify for a significant HST rebate — potentially worth $30,000 or more. Most homeowners don't even know they qualify.

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Happy Homeowners

What Families Are Saying

★★★★★

"We found our builder through OntarioCustomBuilders.ca within a week. The profiles gave us everything we needed to compare. Our home was delivered on budget and it's absolutely stunning."

JM
Jennifer & Mark T.
Barrie, ON · Custom build 2025
★★★★★

"As a builder, getting listed here has been invaluable. We've received genuine leads from qualified buyers in our area. And it didn't cost us a cent to join."

RS
Rob S. — Ridgeline Constructors
Hamilton, ON · Builder Member
★★★★★

"Used the HST Rebate Calculator on this site and couldn't believe we qualified for over $27,000 back. Contacted HST Rebate Pros and the process was seamless. Life-changing."

LP
Laura & Paul D.
Muskoka, ON · New build 2025
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