Since 2012, ITI Permit has helped homeowners, builders & businesses across Ontario with architecture, construction permits, builder inspection, contractor license, trade license & business licence services — faster approvals, BCIN-certified, most competitive pricing in Ontario. Specialized in converting single-unit dwellings to duplex, triplex, or Fourplex. For over a decade, ITI Permit has partnered with homeowners, builders & contractors across Ontario to deliver BCIN-certified designs, construction permits, builder inspection services, and reliable construction drawings — faster approvals, competitive pricing.