Custom Homes in Thornhill
Ground-up builds designed around the way you live.
Building a custom home in Thornhill means working within local zoning, lot coverage, and angular-plane rules before a single footing is poured. Nexon Build delivers custom homes across Thornhill — from Old Thornhill, Bayview Glen, German Mills to the streets in between, with three experienced partners on site and every project tracked in Buildertrend.
Thornhill is known for established executive homes, heritage properties, and estate lots. Building a custom home in Toronto means navigating tight infill lots, the City's zoning bylaws, and a competitive trades market. Nexon Build manages the entire ground-up process across Toronto and the GTA — from feasibility and Committee of Adjustment through permits, construction, and occupancy — so your build stays compliant and on schedule from day one.
What's included
- —Feasibility and lot assessment
- —Design coordination with your architect
- —Full permit application support
- —Foundation, framing, mechanicals
- —Interior and exterior finishes
- —Final inspections and occupancy permit
Custom Homes in Thornhill: what to know
We handle the feasibility study, the Committee of Adjustment or minor-variance process where it applies, and the full permit set with the City of Vaughan or the City of Markham, depending on which side of Yonge Street the property sits on. Because we work across York Region constantly, we know how this jurisdiction reviews custom homes — which keeps your Thornhill project compliant and on schedule from day one.
How your project runs
- 01Discovery call and site visit
- 02Budget and scope alignment
- 03Design and permit phase (2–6 months)
- 04Construction (5–14 months)
- 05Inspections and handover
Custom Homes cost in Thornhill
A ground-up custom home in Toronto typically runs $350–$650 per square foot to build, so a 3,000 sq ft home lands around $1.05M–$1.95M in construction — before land, design, and soft costs. Finish level, lot conditions, and architectural complexity decide where you fall in the range. Pricing in Thornhill tracks the wider GTA market.
Get a free estimate for your Thornhill project, or see the full Toronto renovation cost guide.
Thornhill neighbourhoods we serve
We deliver custom homes throughout Thornhill, including:
Selected work
Common questions
How much does custom homes cost in Thornhill?+
A ground-up custom home in Toronto typically runs $350–$650 per square foot to build, so a 3,000 sq ft home lands around $1.05M–$1.95M in construction — before land, design, and soft costs. Finish level, lot conditions, and architectural complexity decide where you fall in the range. Pricing in Thornhill tracks the wider GTA market.
Do you handle permits for custom homes in Thornhill?+
Yes. We manage the full permit process with the City of Vaughan or the City of Markham, depending on which side of Yonge Street the property sits on, including any variance or zoning review your Thornhill project requires.
Which Thornhill neighbourhoods do you serve?+
We work throughout Thornhill, including Old Thornhill, Bayview Glen, German Mills, Royal Orchard, Thornlea. If you're nearby and don't see your street listed, get in touch — we serve the surrounding York Region as well.
How much does it cost to build a custom home in Toronto?+
Expect roughly $350–$650 per square foot in construction cost in 2026, depending on finish level and lot conditions. Land, design fees, and soft costs are on top. We give you an itemized, fixed-scope estimate before anything starts.
How long does a custom home take in Toronto?+
Most custom homes in the GTA take 9–24 months from planning to move-in, depending on complexity, permit timelines, and finish level.
Do you handle the permits?+
Yes. We manage the full City of Toronto permit application process, including zoning review, the Committee of Adjustment where a minor variance is needed, and building code compliance.
Can you build on a teardown lot?+
Yes. We handle demolition, excavation, and the ground-up rebuild. A teardown-and-rebuild is often the better value versus a deep renovation once a home needs major structural and systems work.
Do I need my own architect?+
You can bring your own architect, or we can coordinate design professionals we've worked with across the GTA. Either way we manage the gap between the drawings and the build.
Do you build custom homes across the GTA or just Toronto?+
Across the GTA — Toronto, North York, Richmond Hill, Vaughan, Markham, Oakville, King City, and the surrounding areas, including estate lots.
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