
Expand your footprint with custom designed additions tailored to your family's modern lifestyle.


Every addition is designed specifically for your Richmond Hill property, ensuring a perfect architectural match with your existing home. We handle everything from the initial architectural drawings to the final finish, including selecting materials that withstand Ontario's freeze-thaw cycles.
We navigate the complex City of Richmond Hill and York Region permit processes on your behalf, managing site alteration permits and grading plans. This eliminates the stress of bureaucratic delays and ensures your project remains 100% compliant with local bylaws and safety standards.
Strategic additions in high-value areas like Bayview Hill or Oak Ridges consistently provide a strong return on investment. By adding functional living or workspace, we help you capitalize on Richmond Hill's robust real estate market without the high costs of land transfer taxes.
We conduct an on-site walkthrough of your property to evaluate lot setbacks and structural viability. We discuss your specific needs for either residential expansion or commercial workspace to provide a realistic project scope and budget.
Our designers create CAD drawings that comply with Richmond Hill's zoning bylaws. We handle the submission of grading plans and permit applications, ensuring all municipal requirements are met before construction begins to avoid work-stop orders.
Construction begins with foundation work and framing, where we reinforce the existing structure to support the new additions. Our supervisors oversee every trade, ensuring that the transition between the old and new sections is seamless and structurally sound.
We coordinate all municipal inspections throughout the build, including electrical and plumbing sign-offs. Once the final walkthrough is complete, we provide all warranties and permit documentations, leaving your home clean and ready for immediate use.
Yes, almost all structural additions in Richmond Hill require a building permit. This includes enlarging windows, adding rooms, or building any structure over a certain size. Specifically, additions over 400 square feet often require a site alteration permit and a professional grading plan to ensure proper drainage and compliance with municipal standards.
Costs vary significantly based on the scope, but typically range from $250 to $450 per square foot for a high-quality build. Factors influencing Richmond Hill pricing include local soil conditions, the need for foundation reinforcement, and the quality of finishes selected. We provide a transparent, itemized quote after an initial consultation to ensure there are no surprises.
A typical home addition can take anywhere from 4 to 8 months depending on complexity and weather conditions. The timeline includes several phases: design and permit approval (1-3 months), structural framing (1 month), and interior finishing (2-4 months). We provide a week-by-week schedule during our project kick-off to help you plan your life during the renovation.
In many cases, yes, you can remain in your home, especially for rear or garage additions where the primary living areas are not disturbed. However, for second-story additions or major open-concept reconfigurations, we may recommend temporary relocation during the most intensive construction phases. We use dust barriers and maintain strict site cleanliness to make staying in your home as comfortable as possible.
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Learn MoreBuilt By Pros transformed our cramped 1980s bungalow in Richmond Hill with a stunning 400 square foot rear addition and kitchen expansion. The project took roughly five months, and the team was incredibly professional, managing all the site grading permits required by the city. We now have a beautiful open-concept living area that connects perfectly to our back deck. Their attention to detail in matching our existing heritage brickwork was truly impressive.
We hired Ricardo and his team for a second-story addition on our home near Yonge and Major Mackenzie. The challenge was adding two bedrooms and a master ensuite without disturbing our recently landscaped backyard. They finished the structural work in record time, and the quality of the interior woodworking is top-notch. Suzanne’s help with the design phase ensured the new floor didn't look like an afterthought but a natural part of the house.
After struggling to find a separate office space, we decided on a custom garage addition with Built By Pros. They turned our standard two-car garage into a high-tech home office and showroom for my hobby cars. The project was completed within our budget, and the WSIB-certified crew was on-site every day at 8 AM sharp. The new space has been a game-changer for my productivity and home organization.

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.