

Expand your living space with expert design-build services tailored to your family's needs.



Proud to serve communities throughout Richmond Hill, ON
We handle the entire application process with the Richmond Hill building department, including architectural drawings and grading plans. This ensures your project complies with the Ontario Building Code and avoids potential stop-work orders or legal complications. We manage all city inspections so you can focus on the design aspects of your new home extension.
Our design-build approach ensures your addition looks like it was part of the original structure, matching brickwork, roofing, and trim precisely. We focus on internal flow to ensure the new square footage connects logically with existing rooms, preventing the 'tacked-on' look common in amateur renovations. This adds significant curb appeal and resale value to your Richmond Hill property.
As RenoMark members, we adhere to a strict Code of Conduct and provide a comprehensive warranty on our structural work and finishes. This certification offers peace of mind that your investment is protected by a licensed, insured, and reputable GTA contractor. We carry full WSIB and liability insurance, ensuring total protection for your family and home during the build.
We begin by visiting your Richmond Hill property to analyze the lot coverage, setbacks, and existing structural health. Our designers work with you to create a conceptual plan that achieves your goals while staying within the city's zoning bylaws. This step is crucial for identifying potential challenges like the Oak Ridges Moraine restrictions early in the process.
Once the design is finalized, our engineers create the necessary structural drawings and we submit the full permit package to the City of Richmond Hill. We handle all back-and-forth communication with city planners, including addressing any grading or site alteration requirements. This ensures your project starts on a firm legal and structural foundation without bureaucratic delays.
Construction begins with the careful removal of existing debris and the pouring of a new foundation or reinforcement of the current one. Our site supervisors ensure that all structural framing meets the high standards of the Ontario Building Code and pass all city inspections. We take special care to protect your existing home and landscaping during this heavy-duty phase of the addition.
After the addition is watertight, we proceed with plumbing, electrical, insulation, and high-end finishes like custom cabinetry and flooring. We perform a final walkthrough with you to address any minor deficiencies and ensure every detail meets our 'Built By Pros' standard of excellence. We then hand over all warranties and city-signed permits for your permanent records.
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Learn MoreWe hired Built By Pros for a complex 600 sq ft rear addition in the Oak Ridges area. Ricardo's team managed the difficult grading issues perfectly, and the project was completed in just under 6 months despite a very wet spring. The new open-concept kitchen and family room have completely changed how we use our home. Their communication was top-notch, and there were no surprises on the final bill.
Suzanne and her design team helped us plan a second-storey addition for our bungalow in Richvale North. They managed the entire permit process with the City of Richmond Hill, which was a huge relief given the zoning restrictions in our neighborhood. The craftsmanship on the new master suite is stunning, and the hardwood floor matching between the old and new sections is invisible. We couldn't be happier.
Fantastic experience with our garage conversion and side addition in Westbrook. The Built By Pros team was professional, kept a clean site every day, and finished the project two weeks ahead of schedule. They even handled the CCTV pipe inspections required by the city without us having to lift a finger. Highly recommend them for anyone looking for a stress-free home expansion in the GTA.

Ricardo Lora

Suzanne Morgan

Petra Tobias

Stronger Together

Bastian Zuniga

Marco Lopez
Contact us for unmatched expertise in home renovations. With experience since 2008, we deliver top-quality materials and superior workmanship—trusted by clients and built on referrals.