Building a custom home is one of the biggest financial and lifestyle decisions you’ll ever make. Naturally, the first question most homeowners ask is: “How much does it cost to build a house?” The answer depends on several factors such as size, location, design complexity, materials, and labour. Let’s break it down so you know what to expect before starting your project.
On average, the cost to build a house in Toronto in 2025 ranges from $250 to $450 per square foot.
Entry-level finishes: $250 – $300/sq. ft.
Mid-range finishes: $300 – $400/sq. ft.
Luxury or custom finishes: $400 – $450+/sq. ft.
For a 2,500 sq. ft. custom home, this could mean anywhere from $625,000 to over $1.1 million, excluding land costs.
Development charges & city fees
Utility hook-ups
Landscaping and driveways
Furniture & appliances
HST (on new builds not exempted)
Planning for at least 10–15% contingency is smart to handle surprises.
Building gives you full control over design, layout, and quality. It can cost more upfront, but you get exactly what you want.
Buying resale may be cheaper in the short term, but often comes with renovation costs to modernize.
For homeowners wanting a long-term home tailored to their lifestyle, building is often worth the investment.