KCDL delivers high-performance legal basement construction and second unit legalization throughout East York’s established neighborhoods, traditional bungalows, and historic residential pockets. With an engineering-driven approach, we handle complex apartment retrofits and multi-generational suites focused on structural integrity, efficient project coordination, and refined craftsmanship. Whether you're upgrading a property in Leaside, converting a home near Pape Village, or legalizing a unit in Woodbine-Lumsden, our owner-led project management ensures absolute compliance with City of Toronto building permits, strict structural codes, and long-lasting architectural finishes.