Walk into any Burlington coffee shop right now and eavesdrop long enough, and you’ll hear it: someone trying to figure out what a custom build is going to run them. The numbers online are all over the map. Three hundred dollars a square foot on one site, a million-dollar budget on another, and nothing that explains why.
We hear this every week. And because we’ve been building custom homes in Burlington for over 15 years, we can give you a real answer.
Burlington Custom Home Pricing in 2026
In Burlington right now, $400 to $550 per square foot gets you a well-built mid-range custom home. Bump up to $550 to $750 and you’re into premium territory — better finishes, more architectural detail, higher-spec mechanical systems. Full luxury sits at $750 per square foot and above, and there’s no real ceiling on that end.
Against a 3,500 sq ft home, mid-range puts you in the $1.4M to $1.93M range. Premium moves that to $1.93M to $2.63M, and luxury opens at $2.63M. None of those figures include the land — and whether you’re buying in Alton Village, Millcroft, or picking up a teardown in Tyandaga, the lot cost is a whole separate number.
One thing that trips people up: two 3,500 sq ft homes can carry completely different price tags and still both be “custom.” The framing, the foundation, the structural work — that stuff is relatively consistent. The gap lives in the selections. A $550/sqft build and a $750/sqft build may look identical from the street.
Why Custom Home Costs Vary So Much
The Land Itself
Burlington lots are not created equal. A flat, serviceable lot in a new subdivision is a different project than a sloped south-end property with mature trees, restricted access, and clay soil. Grade issues, drainage problems, rock that needs blasting — you find out about these things early, but you pay for them throughout the whole build. That cost shows up in the foundation before you’ve made a single finish selection.
Your Finish Choices
This is where budgets really move. The difference between a $90/sqft kitchen and a $200/sqft kitchen isn’t visible from across the room — it’s in the joinery, the stone selection, the appliance spec, the hardware. Same for bathrooms, flooring, millwork. We’ve seen clients get to the finish selection stage and add $200,000 to a project without changing the footprint by a single square foot.
That’s not a criticism — it’s just where the money goes. Custom homes are about getting exactly what you want, and “exactly what you want” has a price.
Architectural Choices
Complex rooflines, vaulted ceilings, extensive glazing, cantilevered volumes — all of these are achievable, all of them add cost. The labour to frame an irregular roofline versus a standard gable is meaningful. Same for large custom windows, structural beams that open up living spaces, and anything that requires engineering beyond the standard.
Mechanical Upgrades
EV charging rough-in. Solar-ready setups. Geothermal. Whole-home automation. These are increasingly common requests from Burlington buyers, and they do add to the upfront number. Worth noting: most of them also lower your long-term operating costs, and buyers have started to notice that at resale.
Where the Budget Actually Goes
People ask us all the time how the money splits up. Roughly speaking: foundation and framing takes 18 to 22%, roof, windows, and exterior another 12 to 18%, mechanical systems (HVAC, plumbing, electrical) somewhere in the 15 to 20% range. Interior finishes — flooring, trim, paint — account for 22 to 30%, and kitchens and bathrooms together are typically 15 to 22%, often overlapping with that finishes budget. Site work and landscaping is another 5 to 10%, permits and design 4 to 7%, and you want 5 to 10% sitting in contingency and project management.
The kitchen number is one that almost always catches people off guard. We’re not talking $40,000 kitchens in a house like this. Proper appliances, custom cabinetry, good stone counters — you’re looking at $80,000 to $150,000 in a well-appointed 3,500 sq ft custom home, sometimes more.
The Costs That Don’t Show Up in the Build Contract
This is the part that catches people off guard. Construction loan interest. Property taxes during the build (you’re paying them whether you’re living there or not). Builder’s insurance. Temporary housing — because a custom home build in Burlington typically runs 14 to 24 months from pre-construction to move-in. Storage for furniture. Final landscaping, which is usually over and above what’s included in the grading allowance.
Add all of that up and you’re realistically looking at another 5 to 8% on top of whatever you’ve contracted for the build itself.
On Cheap Quotes
We get calls asking us to match quotes that come in 25 or 30 percent below ours. It happens. Our honest answer is always the same: those numbers almost never hold. Builders running that thin are usually carrying too many projects, leaning on cheaper trades, or planning to make up the margin in change orders. We’ve watched the “lowest quote” scenario play out many times. It rarely ends the way clients hoped.
Building a Budget You Can Actually Work From
Start with your square footage target. Apply a per-square-foot rate that honestly reflects the finish level you want — not the most optimistic number you found online. Layer in 12 to 15 percent on top of that for contingency, fold in the soft costs we mentioned above, and if you don’t own land yet, that goes in as a separate line entirely.
The clients who have the smoothest builds are the ones who budgeted for surprises. There are always surprises. The question is whether you planned for them.
About Catlin Homebuilders
We’ve been working across Burlington, Oakville, Ancaster, Dundas, Waterdown, and Hamilton for 15 years now. Our reputation in this market is built on one thing: we don’t surprise people with the bill. Every client gets a detailed cost breakdown before a shovel goes in the ground, and we hold ourselves to it throughout the build.
If you’re in the planning stages, the smartest first step is a conversation. We can tell you pretty quickly whether your budget, your vision, and your lot are in alignment — and what it looks like if they’re not.
Reach us at 289-427-1092 or at catlin.ca.
Catlin Homebuilders | Burlington, Ontario