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New home construction costs in Toronto, ON typically range from 183,000 to 699,000, driven by local material availability, ON building code compliance requirements, and the complexity of site preparation on your specific lot. Labor availability in Toronto and regional supply chain logistics significantly influence both timeline and final budget, as does whether your project requires specialized foundation work or utility infrastructure extensions. The final price also reflects the interplay between design complexity, local permitting timelines specific to Toronto municipal requirements, and whether your builder operates as a high-volume production house or a smaller custom operation.
Your submission must include drawings prepared on standardized sheets, scaled appropriately, with complete dimensions, signatures, and dates. If a licensed professional engineer created the drawings, you'll need to submit a completed Assumption of Responsibility form. When a qualified designer (as defined in the Ontario Building Code) prepared them, include the designer's name, registration and qualification identification numbers, along with their signature and stamp confirming design responsibility. All documents must be converted to PDF format before filing.
You must prepare a site plan showing property boundaries, lot dimensions, existing or proposed structures with setback measurements, zoning information, parking areas, and landscaping details. A lot grading plan is required to demonstrate that construction won't cause water to pool on your property or neighboring properties. Floor plans with all dimensions, plumbing fixture locations, smoke and carbon monoxide detector placement, and structural details are necessary. Additionally, provide roof plans, exterior elevations showing all finishes and building height, cross-sections of construction assemblies, and detailed specifications for all wall, floor, and roof materials.
Yes, several forms are mandatory depending on your project scope. All applications require the Application to Construct or Demolish form. New residential construction must include an Energy Efficiency Design Summary form to demonstrate compliance with Ontario Building Code energy standards. If trees could be affected, submit a Tree Declaration Form. A Municipal Road Damage Form requires you to pay a deposit protecting against damage to curbs, sidewalks, roads, and other public areas during construction. Additional forms may be needed for overhead electrical conductors, lot grading certification, and designer information depending on your specific project details.