MJ Ontario Constructions

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MJ Ontario Constructions Licensed construction & renovation company serving Windsor & Essex County. Commercial renovations, new custom homes & ADUs. Fully licensed by HCRA.

Transparent estimates. Quality guaranteed. Call 1-519-300-5381 Welcome to MJ Ontario Constructions Inc. — Windsor &
Essex County's trusted construction and renovation company. We specialize in:
🏢 Commercial Renovations — offices, retail stores,
restaurants & industrial spaces
🏠 Residential Renovations — kitchens, basements,
bathrooms & full home renovations
🏗️ New Custom Home Builds — designed and built to
your vision across Windsor & Essex County
🏡 ADUs & Secondary Suites — garage conversions,
in-law suites & basement apartments
➕ Home Additions — room additions, second storeys
& extensions

Why choose MJ Ontario Constructions?

✅ Fully Licensed by HCRA
✅ Skilled In-House Trades — no subcontractor surprises
✅ Transparent Estimates — no hidden costs
✅ Quality Assurance & Warranty on every project
✅ Serving Windsor, LaSalle, Tecumseh, Lakeshore
& all of Essex County

Honest business is difficult — but at MJ Ontario
Constructions, we prove it's possible. Every project
is delivered on time, on budget, and built to last.

📍 Windsor, Ontario
🌐 www.mjoc.ca
📧 [email protected]
📞 1-519-300-5381

Ready to start your project? Contact us today for a FREE no-obligation estimate.

We are Hiring!
10/02/2026

We are Hiring!

MJ Ontario Constructions

07/08/2026

From tired to timeless ✨

Doors, windows, trim — every surface refreshed with a clean, professional finish. Watch the whole house come alive, one brushstroke at a time.

The before speaks for itself. The after? See for yourself 👀

📍 Windsor & Essex County
📞 519-300-5381 | mjoc.ca

🏡 Transform Your Outdoor Space with a Custom Deck!A professionally built deck doesn’t just add beauty to your home—it cr...
07/03/2026

🏡 Transform Your Outdoor Space with a Custom Deck!

A professionally built deck doesn’t just add beauty to your home—it creates the perfect place to relax, entertain, and increase your property’s value.

✨ Project Highlight
✔️ Strong & Durable Construction
✔️ Premium Quality Materials
✔️ Expert Craftsmanship
✔️ Built to Last

Whether you’re planning a brand-new deck or upgrading your existing one, MJ Ontario Construction delivers quality you can trust.

📞 Get Your FREE Quote Today!
🌐 www.mjoc.ca
📧 [email protected]
📱 519-300-5381

Serving Windsor, Essex County & surrounding areas.

🇨🇦 **Happy Canada Day from MJ Ontario Construction!** 🍁Today, we celebrate the strength, diversity, and unity that make ...
07/01/2026

🇨🇦 **Happy Canada Day from MJ Ontario Construction!** 🍁

Today, we celebrate the strength, diversity, and unity that make Canada such an incredible place to call home.

At **MJ Ontario Construction**, we’re proud to build not just homes and spaces—but lasting relationships within the Windsor community. Thank you to our clients, partners, and everyone who continues to support local businesses.

Wishing you and your family a safe, joyful, and memorable Canada Day filled with celebration and pride!

❤️ Proud to Build. Proud to Be Canadian.

06/30/2026

Out with the old 🧱

This Windsor bathroom is getting a full renovation — and it all starts with demo day. Every tile pulled, every fixture removed gets us one step closer to the finished space.

Follow along as we bring this project to life 🛠️

📍 Serving Windsor, LaSalle & Tecumseh
📞 519-300-5381 | mjoc.ca

06/26/2026

From raw concrete to ready to learn. 🏗️✏️

We took an empty shell and transformed it into a fully finished commercial space for Educan Tutoring — right here in Windsor, Ontario.

This is what we do at MJ Ontario Constructions. Whether it’s framing, flooring, HVAC, or a complete commercial build-out — we handle it all from ground up.

🔨 Full commercial renovation
🪵 Custom flooring & feature walls
💡 Electrical, HVAC & finishing
✅ On time. Built to code. Built to last.

Have a commercial space that needs a transformation? Let’s talk.

📞 1-519-300-5381
📧 [email protected]
🌐 www.mjoc.ca

🏡 Turn Your Basement Into a Legal Income Suite!Looking to maximize your home’s potential? A professionally finished lega...
06/24/2026

🏡 Turn Your Basement Into a Legal Income Suite!

Looking to maximize your home’s potential? A professionally finished legal basement apartment can generate rental income, increase property value, and create comfortable living space for family members or tenants.

At MJ Ontario Constructions, we specialize in high-quality basement renovations that are functional, stylish, and built to meet local requirements.

✅ Generate Secondary Income
✅ Increase Property Value
✅ Maximize Unused Space
✅ Create Multi-Generational Living Areas
✅ Professional Craftsmanship & Quality Finishes

Ready to transform your basement?

📞 519-300-5381
🌐 mjoc.ca
📧 [[email protected]](mailto:[email protected])

Contact us today for a free consultation and let’s bring your vision to life!


WindsorOntario

🏡 Turn Your Basement Into a Legal Income Suite!Looking to maximize your home’s potential? A professionally finished lega...
06/24/2026

🏡 Turn Your Basement Into a Legal Income Suite!

Looking to maximize your home’s potential? A professionally finished legal basement apartment can generate rental income, increase property value, and create comfortable living space for family members or tenants.

At MJ Ontario Constructions, we specialize in high-quality basement renovations that are functional, stylish, and built to meet local requirements.

✅ Generate Secondary Income
✅ Increase Property Value
✅ Maximize Unused Space
✅ Create Multi-Generational Living Areas
✅ Professional Craftsmanship & Quality Finishes

Ready to transform your basement?

📞 519-300-5381
🌐 mjoc.ca
📧 [email protected]

Contact us today for a free consultation and let’s bring your vision to life!


WindsorOntario

Your basement doesn’t have to stay a storage dump. 🏠✨At MJ Ontario Constructions, we transform unused basements in Winds...
06/20/2026

Your basement doesn’t have to stay a storage dump. 🏠✨

At MJ Ontario Constructions, we transform unused basements in Windsor, LaSalle, Tecumseh & Essex County into functional living spaces — whether that’s a secondary suite, a family rec room, or a home office.

✅ Increase your property value
✅ Built to code, quality workmanship
✅ Create extra living space or rental income potential

Ready to upgrade your basement? Let’s bring your vision to life.

📞 Call us: 1-519-300-5381
📧 [email protected]
🌐 www.mjoc.ca

Address

4585 Essex County Road 46 Unit 201
Tecumseh, ON
N0R1K0

Opening Hours

Monday 8:30am - 6:30pm
Tuesday 8:30am - 6:30pm
Wednesday 8:30am - 6:30pm
Thursday 8:30am - 6:30pm
Friday 8:30am - 6:30pm

Telephone

+15193005381

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