BDF RENOVATION & CONSTRUCTIONAli
★★★★★
Perfect job.
Markham, Unionville & Cornell
We renovate bathrooms, kitchens and basements across Markham, build second suites to code with permits handled when they're needed, and take on interior and exterior painting from Unionville to Cornell.
Markham's homes range from heritage houses in Unionville and Markham Village to large 1980s and 1990s subdivisions such as Milliken Mills and Berczy Village, and newer communities like Cornell and Cathedraltown with townhouses and lane-access homes.
If your home is in one of Markham's heritage conservation districts, such as Unionville or Markham Village, exterior changes can need heritage approval as well as a building permit. Interior bathroom and kitchen work usually isn't affected, but it's worth checking before you plan new windows, doors or exterior finishes.
The City of Markham's permit guide lists building separate rooms in a basement, roughing in a bathroom, installing a basement entrance and installing an accessory apartment among the projects that need a building permit. Replacing plumbing fixtures, installing cupboards and painting are listed as not needing one. Applications are made online through the City's ePLAN portal.
After a secondary suite is built, Markham requires the two-unit house to be registered with Markham Fire & Emergency Services. We build to the approved plans and help you gather the documents usually needed for registration.
Official sources:
General information only, checked October 2026. Rules change, so confirm with the municipality before you start.
Unionville, Markham Village, Cornell, Berczy Village, Cathedraltown, Milliken Mills, Angus Glen, Wismer, Greensborough.
Markham is within our regular York Region service area, reached from Newmarket by Highway 404.
Yes. The City of Markham lists roughing in a bathroom and building separate rooms in a basement among projects that need a building permit. Replacing an existing fixture usually doesn't. Plumbing is completed through our licensed partner contractors, and we handle permits when they're needed.
Markham requires two-unit houses to be registered with Markham Fire & Emergency Services after the permit, inspections and occupancy are complete. Registration is the owner's application, and we help you gather what's usually needed.
Yes, we take on interior renovations and painting in older homes. If exterior changes are planned in a heritage conservation district, we'll recommend checking heritage requirements with the City before work is scheduled.
Nearby: Richmond Hill · Stouffville · Aurora · Newmarket · All service areas
Client reviews
Reviews from our Google profile. See all 6 reviews
Ali
Perfect job.
Free on-site visit
Building a Better Tomorrow
Five quick steps, about a minute. We'll reply, usually the same business day, to book your visit.