

Transform your Vaughan property into a high-yield multi-unit investment with expert design and construction.
We transform underused basements or garage spaces into fully permitted residential suites compliant with Vaughan's ARU bylaws. This includes handling all plumbing upgrades and fire-rating requirements to ensure your unit is safe and legally rentable. Our process guarantees that your secondary suite will pass all municipal inspections the first time.
Our designers specialize in removing load-bearing walls and restructuring layouts to create open-concept living areas within limited footprints. We focus on maximizing natural light through strategic window placement and eliminating wasted hallway space to make smaller units feel expansive. This results in higher tenant satisfaction and premium rental rates across the York Region.
We utilize professional-grade soundproofing materials and fire-resistant assemblies that exceed the standard building code requirements. This ensures total privacy between units, which is essential for long-term tenant retention and reducing noise complaints. Our team meticulously seals every penetrative point to maintain the integrity of the fire barriers and sound seals.
We start by auditing your Vaughan property against local zoning bylaws to ensure your multi-unit goals are achievable. This step prevents wasted investment on designs that the city won't approve, focusing on property size and parking capacity. We provide an initial assessment of the existing infrastructure to gauge the complexity of the conversion.
Our architects create detailed CAD drawings that prioritize space optimization while meeting all fire and safety codes. We manage the entire submission process with the Vaughan Building Standards department, handling any revisions required for approval. This ensures that the construction starts on a legally sound foundation with all structural engineering verified.
Multi-unit properties often require upgraded electrical services and enhanced plumbing to support increased occupancy. We handle the technical installation of separate meters, fire suppression systems, and soundproofing assemblies during the 'behind-the-walls' phase. This is the most critical stage for long-term safety and tenant comfort in your new units.
Once the core structure is complete, we install high-durability finishes that match the luxury expectations of the Vaughan rental market. Final inspections from city officials are coordinated by our site supervisors to ensure every unit is ready for legal occupancy. We conduct a final walk-through with you to ensure all details align with your investment goals.
To be legal in Vaughan, a secondary suite must meet Ontario Building Code standards for ceiling height, fire separation, and emergency egress. Additionally, the City of Vaughan requires a specific amount of on-site parking and separate service shut-offs may be required depending on the unit type. We handle the entire application process, ensuring your design adheres to all city-specific zoning bylaws and safety regulations.
A typical conversion project in Vaughan ranges from 4 to 8 months depending on the scope of work and the speed of city permit approvals. The design and permit phase usually takes 8-12 weeks, followed by active construction. We provide a detailed project schedule during our planning phase to ensure you can coordinate with potential tenants and manage your financing effectively.
Yes, we highly recommend sub-metering or completely separating electrical and gas services during the construction phase to simplify property management. This allows tenants to pay for their own usage directly, which often leads to higher property valuations and easier utility cost management for the landlord. Our licensed electricians and plumbers are experienced in upgrading panels and lines to support multiple independent meters.
Costs vary significantly based on whether the structural foundation is already in place or if additions are required. Generally, a high-quality basement suite conversion starts around $100,000, while more complex multi-unit reconfigurations can be higher. We provide a fixed-price contract after the design and scope of work are confirmed, so you don't have to worry about hidden costs during the build.
Transform your property into a high-value asset by navigating Toronto's specific legal requirements for basement apartments and garden suites. This comprehensive guide from Built by Pros Inc. breaks down the zoning, permits, and construction standards needed to build a compliant and profitable secondary dwelling.
Complete home or commercial rebuilds to give you a new structure, keeping only what can be re-purposed to save cost and the environment.
Learn MoreUpgrade existing spaces with quality craftsmanship to better meet the needs of your family.
Learn MoreWhether at your home or business, we provide zoning and permitting services as part of our planning process.
Learn MoreFull-service construction for commercial projects. Let our in house design team elevate your brand with custom space design.
Learn MoreCustom solutions to maximize the return on your property investment.
Learn MoreWe have the ADA design training in house to ensure your home is ready for your golden years , even when your are not.
Learn MoreBuilt By Pros converted my large detached home in Vaughan into a legal duplex over the course of five months. Ricardo and his team were incredibly knowledgeable about the local parking and permit requirements in our district. They managed to create a beautiful two-bedroom basement walk-out with massive windows that doesn't feel like a basement at all. The project stayed within 5% of the original budget even with some structural surprises. I'm now earning significantly more in rental income than I anticipated.
We hired Suzanne and the team to optimize our multi-unit investment property near the Vaughan Metropolitan Centre. They completely redesigned the interior flow of our triplex, adding modern kitchens and individual climate controls for each floor. The timeline was respected even during the peak of winter construction, and the craftsmanship on the custom cabinetry is outstanding. Their communication through the design and permit phase was refreshing and very professional.
As a real estate investor, I've worked with many contractors, but Built By Pros stands out for their attention to detail in multi-unit conversions. They helped me turn a property in Thornhill into a high-yield three-unit dwelling by maximizing every square foot of the site. They handled the complex plumbing and electrical separation perfectly, which saved me a lot of headches later. The quality of the finishings helped me find top-tier tenants within just one week of finishing the build.

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.