

Built By Pros Inc. specializes in turning underutilized properties into profitable multi unit residences in Markham, ON. Our expert team combines zoning knowledge, design efficiency, and construction excellence to maximize rental income and property value. Discover how our tailored solutions can unlock hidden potential in your real estate portfolio.
We conduct a thorough on‑site evaluation to determine structural capacity, zoning limits, and market demand. This data‑driven analysis ensures the project is financially viable before any design work begins.
Our architects create efficient floor plans that maximize unit count while preserving livability. We handle all permit applications, coordinating with Markham officials to secure approvals quickly.
Experienced tradespeople execute the build on schedule, with transparent communication and quality checks at each stage. We manage timelines, budgets, and inspections to deliver a turnkey multi‑unit property.
We meet with you to discuss goals, budget, and timeline, then perform a quick on‑site walkthrough to identify opportunities for multi‑unit conversion.
Our engineers assess structural capacity and zoning limits, while market analysts estimate potential rental income and ROI for the proposed unit mix.
Architects produce detailed floor plans and renderings. We then prepare and submit all permit applications to the City of Markham, handling any revisions required by officials.
Our construction crew builds the new units according to the approved design, with regular site inspections and progress updates. Once complete, we hand over a fully functional multi‑unit property ready for tenants.
Yes, if the property meets zoning requirements for increased density. Our feasibility study evaluates setbacks, parking, and building code compliance to determine if a conversion is possible.
From initial consultation to final occupancy, most projects take 4‑6 months, depending on permitting speed and construction scope. We provide a detailed schedule up front and keep you updated throughout.
Revenue gains vary by unit size and market demand, but owners often see a 20‑40% increase in total rent after adding extra units. Our market analysis gives a realistic projection for your specific property.
Absolutely. Our team prepares and submits all required documents to the City of Markham, coordinates with planners, and ensures compliance with building codes, so you don’t have to navigate bureaucracy yourself.
Discover the step‑by‑step process for legally adding a basement apartment or garden suite in Toronto. From zoning rules and permit paperwork to design tips and budgeting, this guide shows homeowners how to create a profitable second suite while staying compliant with the city’s regulations.
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 MoreThe team transformed our detached house into a profitable duplex in Markham. Their site analysis revealed untapped space, and the design added two modern units that rent out quickly. We’re seeing a 30% increase in monthly income.
Built By Pros handled every step—from zoning research to final inspections—without any surprises. Their communication was clear, and the construction stayed on schedule, delivering a high‑quality multi‑unit building that our tenants love.
We hired them to convert a single‑family home into a three‑unit complex. Their expertise with Markham’s bylaws saved us months of paperwork, and the finished units are stylish, energy‑efficient, and fully occupied within weeks.

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.