Services & where we serve

TNS Construction is based in Newmarket, Ontario and delivers renovation trades across southern Ontario for homeowners and general contractors.

Our renovation services

Railing upgrades, concrete repair, membranes, and finishes built for Canadian weather and building code.

Boarding, taping, sanding, and patches for renovations, repairs, and general contractor trade packages.

Balconies, foundations, and wet areas — membranes and detailing that stop leaks before they spread.

Wood, metal, and composite fences installed plumb, secure, and aligned.

Interior and exterior prep, prime, and finish coats with clean lines and durable coverage.

Hardwood, tile, and laminate installs with level subfloors and tight transitions.

We are headquartered in Newmarket and regularly work across the GTA, York Region, and surrounding districts throughout southern Ontario.

Greater Toronto Area
Toronto, Mississauga, Brampton, Vaughan, Markham, and surrounding GTA municipalities.
York Region
Richmond Hill, Newmarket, Aurora, Georgina, and north-of-Toronto communities.
Halton Region
Oakville, Burlington, Milton, and Halton Hills.
Durham Region
Oshawa, Whitby, Ajax, Pickering, and east-of-Toronto lakefront towns.
Simcoe County
Barrie, Innisfil, Orillia, and cottage-country corridors north of the GTA.
Hamilton
Hamilton, Stoney Creek, Ancaster, Dundas, and the west-end Golden Horseshoe.
Niagara Region
St. Catharines, Niagara Falls, Welland, and the peninsula.
Kingston & area
Kingston and eastern Ontario projects along the 401 corridor.

Ready to start your project?

TNS Construction provides free written estimates for renovation work across southern Ontario.