MD Construction
Modern kitchen interior completed by general contractor MD Construction as part of their home renovations services.

Top general contractor in St. Thomas, ON

Home Renovations and Commercial Construction Since 1987

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

See your renovation ideas before construction starts.

Upload a photo of your space, explore design directions in MD Construction's style, and bring a clearer vision into the next conversation.

Upload a photo of the room you want to improve
Explore renovation directions before you build
Bring your favourite concept into the estimate conversation

A+

Rating

4.8

Rating

Our Services

Our Services

From renovations and exteriors to full additions and commercial build-outs, we bring expert craftsmanship and dependable service to every project.

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Project Visualizer

See renovation ideas before you build.

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 and Jocelyn, owners of MD Construction, standing in a new kitchen in Port Stanley, Ontario

Tom Baines & Jocelyn McTaggart

Trusted Since 1987

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 story

Recent Projects

Projects that inspire. Results that last.

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.

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Barb

Home Renovations

Barb

Hill

Home Renovations

Hill

East

New Construction

East

What Our Clients Say

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.

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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

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.

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Step one

Discovery & Estimate

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

Design & Planning

Our team works with you to finalize layouts, select materials, and coordinate any permits or approvals, ensuring everything is ready to go.

Step three

Build & Execute

We manage the construction from start to finish, coordinating trades, keeping you informed, and ensuring every detail meets our high standards.

step four

Project Completion

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

Proudly Serving St. Thomas, ON and Surrounding Areas

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.

St. ThomasPort StanleyAylmerGlencoeSheddenIonaDuttonRodneyWest Lorne

If you're nearby but don't see your town listed, reach out —we likely serve your area too.

Frequently Asked Questions

Frequently Asked Questions

Still have questions? Get in touch.

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What services does MD Construction offer?

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.

How long does a typical project take?

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.

How do I get an estimate for my project?

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.

Are you licensed and insured?

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.

Do you help with permits or design?

Absolutely. We handle permits for you and offer design support to ensure your project aligns with your vision, local bylaws, and budget.

Do you offer warranties?

We stand behind our work. Most services include a workmanship warranty, and materials may be covered by manufacturer warranties too.

MD Journal

Tom and Jocelyn from MD Construction standing together inside a finished project.