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Custom Home Builders in Ontario

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Quality and Experience

Expert Home Builders

O’Reilly Custom Homes & Construction has been building high-quality homes for eight years. We specialize in custom home builds, additions, renovations, and ICF construction. Our focus is on durability, attention to detail, and using the best materials. We never cut corners and ensure every project is built to last.
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Home Construction Services in Ontario

Our SErvices

O’Reilly Custom Homes & Construction is proud to serve Buckhorn, Peterborough, Warsaw, Keene, Bailieboro, Millbrook, Omemee, and Kawartha Lakes with expert home building and renovation services.

Custom Home Builds in Ontario

Complete Home Construction

We build custom homes from the ground up, handling everything from design to final landscaping.
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Home Additions in Ontario

Seamless Expansions

We create well-integrated home additions that match the style and structure of the original build.
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Home Renovations in Ontario

Transform Your Space

We update and improve homes with high-quality renovations designed to enhance function and style.
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Wall Removals in Ontario

Open Concept Living

We safely remove walls to create open, modern living spaces while maintaining structural integrity.
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ICF Construction in Ontario

Durable and Efficient

We build energy-efficient homes and structures using ICF for superior insulation and strength.
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Home Builder in Ontario

Explore Our Portfolio

Transform your space with expert craftsmanship—check out our portfolio to see our stunning renovations in action!
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Trusted Home Builders in Ontario

Our Happy Clients

Homeowners trust O’Reilly Custom Homes & Construction for quality craftsmanship, expert planning, and long-lasting results.

Over the years we have had several projects completed by OReilly Custom Homes and Construction. Each project has been timely, treated with care and within our budget. The team is easy to work with and professional. I would highly recommend this contractor to anyone, you will be happy with the results.
- Jen M.
We had Jon at O'Reilly Custom Homes work on a large Fire claim. They completed some framing at this home and the quality of work was very good.
- David S.
Had Jon and his workers come out and do a build for us and we’re very impressed with all of his attention to detail and quality products that he suggested... He was happy to explain why he was doing what he was doing whenever we had a question or concern... If anyone has any concerns feel free to contact me directly and I would be happy to elaborate on our amazing experience with O’reilly Custom Homes
- Ben
Jon and his crew completed a custom build for us in 2022. Jon is excellent at communicating with his clients and is very knowledgeable. It was a pleasure to work with him and his team.
- Sara
Jon has worked on two projects for my home in Millbrook. He built a fence in our backyard within a day and a half, and also built a deck/patio combo for us which is the nicest in the neighbourhood, very spacious. Highly recommend him!
-Thorne
Fantastic workers, very professional and friendly. Amazing work!!
- Kendra
Done right the first time
- Randy
Very talented, you won’t be disappointed!
- Kelly
Completed a roof framing job for me. Professional, timely and fair service.
- Brodie
Trusted Home Builders in Ontario​
Lovely exterior of a large country home in Ontario.

Contact O'Reilly Custom Homes

For expert home building, renovations, and ICF construction, call O’Reilly Custom Homes & Construction today. Our team is ready to bring your vision to life.

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