
ABOUT US
Providing high-quality carpentry and renovation services throughout Bracebridge and the Muskoka region.
With over 40 years of hands-on experience, John Rennie specializes in traditional Muskoka-style construction and detailed finish work that stands the test of time.
John works directly on every project – ensuring consistent quality, clear communication, and craftsmanship you can trust. His work reflects traditional Muskoka building styles that are becoming increasingly rare, with a focus on detail, durability, and pride in the finished product

40+
Year of Experience
256
Homes Renovated
35
Valued Partners
OUR WORK
Quality Carpentry, Done Right
Browse examples of finished projects showcasing traditional Muskoka craftsmanship, custom finishes, and attention to detail built over decades of experience.
OUR SERVICES
Hands-on carpentry focused on quality and traditional Muskoka craftsmanship.
Custom Carpentry & Finish Work
Specializing in detailed interior and exterior trim, wood siding, and custom finishes. Focused on quality craftsmanship and clean, long-lasting results.
Renovations & Cottage Improvements
Thoughtful renovations for homes and cottages, completed with care and attention to detail. Ideal for clients looking to update or improve existing spaces without cutting corners.
Traditional Muskoka-Style Building
Experienced in classic Muskoka construction techniques, including open rafter tails and traditional wood details. Preserving the character and craftsmanship that define Muskoka homes.
TESTIMONIALS
Hear What Our Clients Say
"John Rennie is an outstanding general contractor. His work is consistently excellent, and he always adheres to our timelines. On one project, he suggested upgrading some materials, explaining how the improved quality would benefit both longevity and appearance. His expertise and attention to detail truly make him a trusted partner in any project."
Jim & Cheryl H.
Bracebridge
"In 2005 my wife and put trust in Rennie Custom building to design / build our family home.
We are still in that home and have had John back several times to do minor and major projects. We couldn't be happier with his attention to detail. His expectations of the finished product surpassed our on many occasions. John's knowledge and experience is an invaluable asset."
Dino & Tammi T.
Muskoka
"We’ve worked with John Rennie on multiple projects and have always been impressed by his professionalism, reliability, and attention to detail. He communicates clearly, offers smart suggestions to improve both quality and longevity, and consistently delivers high-quality work. You can trust him to take pride in the job and stand behind the final result."
Paul W.
Bracebridge












