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residential and commercial construction services

Home Renovations, Builds, & Commercial Projects — since 1987

From detailed home renovations to full-scale commercial projects, MD Construction is the trusted general contractor for homeowners and businesses alike. We combine decades of experience with honest pricing, expert coordination, and results that last.

Modern kitchen remodel completed by MD Construction.

Home Renovations

Bring your vision to life with full-service home renovation and upgrades that blend quality craftsmanship and functional design.

MD Construction crew working on a home addition project.

Additions & Extensions

Expand your home with seamless additions—sunrooms, garages, and full-room extensions—built to match your space and growing needs.

Upgraded home exterior with new siding and front porch by MD Construction.

Exterior Upgrades

Boost curb appeal with expertly built decks, fences, siding, and more. We take care of every detail—no matter the season.

MD Construction team performing roof repair

Maintenance/Repairs

Keep your home in top shape with reliable maintenance and repairs. From small fixes to larger projects, we deliver lasting results.

GTs On The Beach patio renovation completed by MD Construction.

Commercial Construction

Refresh your business space with expert commercial renovations designed to enhance function, minimize disruption, and elevate your customer experience.

Your Local Contractor for Homes & Businesses

Let’s Build Something Great Together

From home renovations to commercial builds, MD Construction brings craftsmanship, clarity, and care to every job.

35+ years serving St. Thomas, ON & area
Family-owned and operated
Expert craftsmanship
Transparent estimates

Built on Experience, 

Backed by Integrity

Because great construction starts with the right people.

Our team is the foundation of every successful build. With decades of hands-on experience and a deep commitment to doing things the right way, we bring clarity, communication, and craftsmanship to every project — start to finish.

MD Construction working on a home renovation project with precision craftsmanship.
Tom Baines and Jocelyn McTaggart of MD Construction, trusted local contractors serving St. Thomas ON.

Tailored Construction,
Built Around You

At MD Construction, we know every project is unique—whether it’s a kitchen remodel, a home addition, or a commercial renovation. That’s why we start by listening. We take the time to understand your goals, timeline, and preferences before crafting a tailored plan that brings your vision to life—without surprises.

With over 35 years of experience, our team combines skilled craftsmanship with thoughtful planning to deliver results that are beautiful, functional, and built to last.

What Our Clients Say

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. Thomas
Port stanley
aylmer
glencoe
Shedden
iona
dutton
rodney
west lorne

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