Top General Contractor in St. Thomas, ON
MD Construction transforms homes in Port Stanley, ON with quality craftsmanship and modern building techniques. Taking care of our clients is what we do best.
What We Do
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.
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.

Our Mission
Since 1987, MD Construction has served homeowners across St. Thomas and Elgin County with quality craftsmanship, reliable service, and a genuine commitment to bringing every client's vision to life — on time and on budget.
Certifications & Memberships
Minimum 2-Year Warranty
All RenoMark members guarantee a minimum 2-year warranty on workmanship
$2M Liability Insurance
Full $2 million liability insurance coverage for your peace of mind
Code of Conduct
Strict adherence to RenoMark's professional Code of Conduct
Written Contracts
Detailed written contracts required on every project — no surprises
2-Day Response
RenoMark commitment to respond within 2 business days
Meet the Team
The team dedicated to your project's success.
Tom Baines and Jocelyn McTaggart
Principals
Service Area
We proudly serve homeowners and businesses throughout St. Thomas and surrounding areas including Port Stanley, London, Aylmer, Glencoe, Shedden, Iona, Dutton, Rodney, West Lorne.
Let's Build Something Together
Ready to start your renovation journey? We'd love to hear about your project and show you what's possible.