How much does custom home building cost in Markham?

With Zigma Group, custom home building starts from $330 per sq ft. Prices are in Canadian dollars before HST, as of October 2026, and are confirmed after a site visit. The main factors are size and complexity of the design; finish level inside and out; and site conditions, demolition and servicing.

Should I renovate or rebuild?

It depends on the condition of the existing structure, how much of the layout you want to change and what zoning allows on the lot. We assess both routes and explain the trade-offs.

What approvals does a new custom home need?

Zoning review, a demolition permit if an existing house is being removed, and a building permit. A minor variance is needed if the design exceeds a zoning limit.

Do you do custom home building projects in Markham?

Yes. We work throughout Markham, including Unionville, Thornhill, Cornell, Markham Village, Milliken and Angus Glen. Call +1 (647) 718-3913 to arrange a visit.

Who issues the permit for this work in Markham?

Where a permit is needed, it is issued by the City of Markham's building department. We prepare the drawings and handle the application and inspections.

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Custom Home Building

New homes · Markham

Custom Home Building in Markham

When renovating is not enough, we build new. One team takes the project from the lot and the first drawings to the day you get the keys. In Markham, the city mixes 1970s and 1980s subdivisions with newer communities such as Cornell and historic cores in Unionville and Markham Village.

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Completed three-storey brick house at dusk with its windows lit — From our Damavand project

Scope

What is included.

Lot assessment and feasibility
Architecture, engineering and interior design
Demolition and building permits
Foundations, structure and envelope
Mechanical, electrical and interior finishes
Final walkthrough and handover documents

Cost

What it costs.

From $330per sq ft

What moves the price

Size and complexity of the design
Finish level inside and out
Site conditions, demolition and servicing

Prices are in Canadian dollars before HST, as of October 2026. Every project is confirmed with a written quote after a site visit.

Local knowledge

Custom Home Building in Markham.

Homes like these
In established subdivisions full rebuilds are less common, and design and permit work is usually for additions and major renovations.
Housing
In Markham, the city mixes 1970s and 1980s subdivisions with newer communities such as Cornell and historic cores in Unionville and Markham Village.
Permits
Building permits in Markham are issued by the City of Markham's building department. We prepare the drawings, submit the application and book the inspections.
Areas we cover
We work throughout Markham, including Unionville, Thornhill, Cornell, Markham Village, Milliken and Angus Glen.
Heritage districts
Unionville, Markham Village and old Thornhill are heritage conservation districts. Exterior work there needs heritage approval in addition to a building permit.
Updating 1980s homes
Many Markham homes are reaching the age where kitchens, bathrooms, windows and mechanical systems all come due together.

Before you start

What to know.

Feasibility
Before design, we look at what the lot and zoning allow, what has to be demolished, and how that fits your budget.
Approvals
A new house needs zoning compliance, a demolition permit where an old house is removed, and a building permit. Some designs also need a minor variance.
One team
Design decisions and construction costs affect each other at every step. Keeping them in one team stops drawings being produced that cannot be built for the budget.

How we work

One team for every stage.

AssessWe survey the house as it stands.
Design and permitsDrawings and approvals before work starts.
Strip-outWhat is worn out comes off.
RebuildStructure, wiring, plumbing and walls.
FinishesCabinetry, tile, floors and paint.
HandoverWalkthrough and documents.

Questions

Custom Home Building in Markham: the short answers.

How much does custom home building cost in Markham?: With Zigma Group, custom home building starts from $330 per sq ft. Prices are in Canadian dollars before HST, as of October 2026, and are confirmed after a site visit. The main factors are size and complexity of the design; finish level inside and out; and site conditions, demolition and servicing.
Should I renovate or rebuild?: It depends on the condition of the existing structure, how much of the layout you want to change and what zoning allows on the lot. We assess both routes and explain the trade-offs.
What approvals does a new custom home need?: Zoning review, a demolition permit if an existing house is being removed, and a building permit. A minor variance is needed if the design exceeds a zoning limit.
Do you do custom home building projects in Markham?: Yes. We work throughout Markham, including Unionville, Thornhill, Cornell, Markham Village, Milliken and Angus Glen. Call +1 (647) 718-3913 to arrange a visit.
Who issues the permit for this work in Markham?: Where a permit is needed, it is issued by the City of Markham's building department. We prepare the drawings and handle the application and inspections.