MD Construction

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.

Our 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.

Home Renovations

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

Details

Kitchen renovations

Bathroom remodels

Basement finishing (rec rooms, home offices, guest suites, etc)

Interior upgrades (drywall installation, flooring installation, trim, doors, etc)

Accessibility upgrades

Whole-home renovations

Additions & Extensions

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

Details

Seamless home extensions and second-storey builds

Custom garages and workshops

Sunrooms and three-season rooms

In-law suites and private living spaces

Kitchen and dining room expansions

Exterior Upgrades

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

Details

Roofing repairs & full replacements

Siding installation & upgrades

Decks & fencing

Soffits, fascia, and eavestroughs

Windows & doors

Chimney Repair

Maintenance/Repairs

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

Details

Shed and outbuilding repairs

Deck, fence, and exterior woodwork fixes

Door and window replacements

Drywall, flooring, and trim repairs

Commercial Construction

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

Details

Retail store and showroom buildouts

Office renovations and expansions

Restaurant and hospitality construction

Accessibility upgrades and code compliance

Custom commercial spaces

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
visualize your space

Built on Experience

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.

meet our team
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

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.

request an estimate

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

Recent Projects

Recent Projects

view all projects
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.

view customer reviews

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

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.

view all FAQs
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.