Residential New Builds
Crafting custom homes built to last generations — with Tarion Warranty protection, OBC compliance, and unmatched craftsmanship.
Building Homes That Reflect Your Vision
At MJ Ontario Constructions, we provide complete new-build solutions for custom homes across Ontario. Every home we build is covered under the Tarion Warranty, constructed to meet or exceed the Ontario Building Code (OBC), and delivered under the regulatory standards set by the Home Construction Regulatory Authority (HCRA). Our goal is simple — to build homes that combine timeless design, energy efficiency, and long-term structural integrity.
Our Homebuilding Process
1) Excavation & Site Preparation
We begin with grading, trenching, and site leveling, ensuring a solid foundation for your home with proper drainage and soil compaction.
2) Foundation & Footings
Concrete forming, waterproofing, and structural reinforcement — built to OBC standards for stability and longevity.
3) Framing
Precision framing for floors, walls, and roofing systems to ensure structural accuracy and a perfect fit for every design element.
4) Mechanical Rough-Ins
Installation of plumbing, HVAC, and electrical systems — all inspected and approved per OBC and HCRA standards.
5) Insulation & Drywall
Energy-efficient insulation, drywall installation, and air-sealing techniques to ensure comfort and energy savings year-round.
6) Interior Finishing
Cabinetry, flooring, painting, and trim — all crafted with attention to detail and personalized to your style and preferences.
7) Exterior Finishes
Roofing, siding, masonry, and landscaping that elevate your home’s curb appeal and long-term durability.
8) Final Inspection & Handover
We conduct detailed inspections and Tarion-certified walkthroughs before your keys are handed over.
Custom Homes, Thoughtfully Designed
We collaborate closely with architects, engineers, and interior designers to bring your ideas to life. From modern open-concept layouts to timeless estates, every detail is designed for elegance and comfort.
- Luxury Custom Homes & Multi-Unit Developments
- Architectural & Engineering Coordination
- Smart Home & Energy-Efficient Integration
- Comprehensive Project Management
- Landscaping & Exterior Finishing
Why Build with MJ Ontario Constructions
Ready to Build Your Dream Home?
From the initial design consultation to the final installation, their professionalism and attention to detail were exceptional. Manjeet is extremely humble and approachable, and he offered creative suggestions while always keeping our budget in mind. The quality of workmanship is excellent, and everything looks amazing.
I highly recommend MJ Ontario Constructions Inc to anyone looking for a seamless and high-quality construction and renovation work.
What stood out the most was his ability to listen to our needs, keep our budget in mind and suggest only what was absolutely required without cutting any corners. This honesty and reliability made the entire process stress-free. Manjeet also has a strong knowledge of the Ontario Building Code, which proved invaluable. His expertise helped us save a significant amount of money by demonstrating relevant OBC guidelines to the city's building official, which avoided the need to remove bathroom walls.
We had pulled a permit for the basement ADU, and Manjeet took charge of scheduling inspections and worked seamlessly with the City of Windsor inspectors, ensuring that all inspections were passed without any issues. He interacted with the city several times regarding the permit, making sure that only the necessary work was done and that it was done correctly. He remained committed and focused until the very end, accommodating city inspection comments patiently until we received our occupancy permit.
Moreover, I have referred Manjeet to three of my friends, and each one of them has been just as happy with his work as I am. This consistency in delivering exceptional service speaks volumes about his professionalism and dedication. He also made sure to engage the right licensed trades for electrical, plumbing, and other critical work, ensuring everything was done to the highest standard.
A big shoutout to his crew as well, who were professional, skilled, and hardworking. They showed up on time, were respectful of our home, and contributed significantly to the success of the project.
Overall, I highly recommend Manjeet and his team at MJ Ontario Constructions for any construction project. Their professionalism, expertise, and dedication are unmatched. Thank you for making our basement ADU project a success!
I cannot speak highly enough of the exceptional service and craftsmanship provided by this construction company. From start to finish, their team exhibited professionalism, expertise, and attention to detail that surpassed all expectations. Our project was completed on time, within budget, and the results are simply outstanding. I wholeheartedly recommend them to anyone seeking top-notch construction services.
Thanks again from Amanda and Bradley🙏🏼
Frequently Asked Questions
Do all new homes come with a Tarion Warranty?
Yes. Every new build completed by MJ Ontario Constructions is registered with Tarion and comes with a full warranty, ensuring that your investment is protected under Ontario’s official homeowner protection program.
Are your homes built according to the Ontario Building Code?
Absolutely. All our residential projects meet or exceed the Ontario Building Code (OBC) standards, following strict structural, mechanical, and safety requirements. We also comply with all HCRA and municipal regulations.
Can I customize my home design?
Yes. We offer full customization options, including architectural design, layout adjustments, materials, finishes, and smart home integrations to reflect your lifestyle and preferences.
How long does a typical new build take to complete?
The average project duration ranges from 4 to 6 months depending on the size, design complexity, and municipal permitting timelines. We provide detailed schedules during the planning phase to maintain transparency.
What is included in your new build services?
Our turnkey service includes everything from excavation and foundation to final finishes and inspections — site prep, structure, mechanicals, interiors, and landscaping. Each stage is handled by our in-house experts and overseen by project managers.
Do you assist with permits and approvals?
Yes. We handle all aspects of municipal permitting, zoning, and code compliance. Our team ensures a smooth process so you can focus on the design and planning of your new home.
Do you offer energy-efficient and smart home features?
Yes. We integrate energy-efficient materials, smart home automation, and eco-friendly construction practices into our builds, ensuring long-term sustainability and reduced operating costs.
Can MJ Ontario Constructions work with my architect or designer?
Absolutely. We frequently collaborate with client-appointed architects, designers, and engineers to maintain seamless communication and bring your exact vision to life.
How do you ensure quality control?
Our in-house team conducts routine inspections throughout each project. We only work with trusted trades and suppliers who meet our standards for safety, performance, and finish quality.
Do you provide post-construction support or maintenance?
Yes. After completion, our team offers post-construction support and guidance under Tarion Warranty coverage to address any questions or adjustments needed once you move in.