
Home Renovations

Top general contractor in St. Thomas, ON
For over 35 years, MD Construction has delivered expert craftsmanship and reliable service. Whether you’re renovating your home or upgrading a commercial space, we bring your vision to life—on time and on budget.
Project Visualizer
Upload a photo of your space, explore design directions in MD Construction's style, and bring a clearer vision into the next conversation.
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A+
Rating
4.8
Rating
Our Services
From renovations and exteriors to full additions and commercial build-outs, we bring expert craftsmanship and dependable service to every project.
Project Visualizer
Upload a photo of your space, explore design directions, and bring visual context into your consultation with MD Construction.
Upload a photo of your room or project area
Explore renovation directions in MD Construction’s style
Bring your favourite concept into the next conversation

Tom Baines & Jocelyn McTaggart
Trusted Since 1987
With over 35 years of roots in St. Thomas and Elgin County, MD Construction has built a reputation for quality, reliability, and care. Originally founded in 1987, the company is now proudly led by Tom Baines and Jocelyn McTaggart, long-time partners in life and business continuing the tradition of craftsmanship while bringing a fresh, personalized approach to every project.
Learn more about our storyRecent Projects
Every renovation and build tells a story. Browse our portfolio to see how MD Construction has transformed homes and businesses across St. Thomas and the surrounding area with craftsmanship you can trust.

Home Renovations

Home Renovations

New Construction
What Our Clients Say
Our reputation has been built one project, one family, and one business at a time. Explore client reviews and see why MD Construction is a trusted name in home and commercial construction across St. Thomas and surrounding areas.
“MD replaced a window that I'd been wanting done for a while. The service was great, the installers were fantastic, and the clean up was perfect. Shelby kept me informed and everyone was professional in every way.”
Vicki Whaley Erskine
Window Replacement
“We hired MD to build a 4 season sunroom and were very happy with the result. Tom and Jocelyn were easy to work with, the crew was friendly and knowledgeable, and the whole process moved smoothly.”
J Young
Four-Season Sunroom
“MD renovated our kitchen, living room, and entryway. Tom and his team did flawless work, and Jocelyn was amazing with materials, fixtures, and colours. We'd recommend them for any project.”
Glen Somerville
Kitchen and Living Renovation
Proven Process
Our streamlined process keeps your project on time, on budget, and stress-free. From permits to final finishes, we handle every detail—so you can feel confident every step of the way.
visualize your spaceStep one
We begin by understanding your goals, budget, and vision. You’ll receive a clear, detailed estimate—no surprises, just a solid foundation for your project.
Step two
Our team works with you to finalize layouts, select materials, and coordinate any permits or approvals, ensuring everything is ready to go.
Step three
We manage the construction from start to finish, coordinating trades, keeping you informed, and ensuring every detail meets our high standards.
step four
Once the work is complete, we’ll walk through it together to make sure everything exceeds your expectations. Your satisfaction is our final step.
Service Area
MD Construction is proud to call Port Stanley home—serving clients across St. Thomas, London, and the surrounding region. With local roots and a commitment to quality, we deliver dependable craftsmanship wherever your project takes us.
If you're nearby but don't see your town listed, reach out —we likely serve your area too.
Frequently Asked Questions
Still have questions? Get in touch.
We’re a full-service general contractor specializing in home renovations, additions & extensions, exterior improvements, commercial construction, and maintenance/repairs. From kitchen remodels and basement finishes to storefront upgrades, we deliver quality craftsmanship from start to finish.
Timelines vary based on project size and complexity. Small renovations may take 1–2 weeks, while larger builds or additions can span several months. We’ll walk you through a clear schedule before work begins.
Just schedule a consultation or give us a call. We’ll learn about your goals, take measurements if needed, and provide a detailed estimate outlining the scope and costs, no pressure.
Yes, we are fully licensed and insured. You can have peace of mind knowing your home or business is in the hands of certified professionals who meet all local building regulations.
Absolutely. We handle permits for you and offer design support to ensure your project aligns with your vision, local bylaws, and budget.
We stand behind our work. Most services include a workmanship warranty, and materials may be covered by manufacturer warranties too.
MD Journal
