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Concrete Patios in Stoney Creek
We pour concrete patios across Stoney Creek, from the newer subdivisions up on the mountain to the older backyards in the Old Town and on the lakeside streets. Both halves sit on clay, so we build each patio on a compacted granular base and slope it about 2 percent away from the house. Union-certified crews, a free written quote, and a lifetime warranty on labour.
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Reviewed June 2026
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Stoney Creek runs from the Lake Ontario shore up over the Niagara Escarpment, and the patio work splits the same way. Up on the mountain, west of Centennial Parkway, the subdivisions are newer, and the patio is often the job the builder left for the landscaping stage. Below the escarpment, in the Old Town and on the lakeside streets, the houses are older, and a new patio often replaces an old slab that has sunk or cracked.
A patio carries no cars, so the concrete has an easy life. What decides how long it lasts is the ground under it and where the water goes. The full method, the 32 MPa air-entrained mix, the 100 mm slab, the compacted Granular A base and the control joints, is on our concrete patios page. This page is about what Stoney Creek's ground and homes change.
Wet clay near the lake
Below the escarpment, the lakeshore plain runs to clay near the water, with a high water table. The low ground near the creek and the shore holds water longest. Clay that stays wet is the ground frost lifts, so a backyard patio on a thin base there tends to heave, crack and tip.
When a patio tips toward the house, it sends rain and spring melt at a foundation that may already take water. So in the Old Town we take out the old slab, build a compacted granular base on stable ground, and slope the new patio about 2 percent away from the house. We also check where the downspouts empty before the forms go in.
Clay till and karst on the mountain
Above the escarpment, the subdivisions sit on clay till over limestone. Clay heaves on a thin base, so the base gets the same care up here. In pockets near the Eramosa Karst, the limestone is fractured, and surface water can go into the rock in ways a flat lot does not show.
That is a reason to look before we pour, not a reason to worry. We check how the backyard drains at the site visit and set the base and the slope to suit, so the patio's runoff goes where we want it.
Finish, cure and older homes
Broom finish gives grip and is the most affordable. Exposed aggregate adds texture. Stamped concrete adds pattern and colour; see our stamped and decorative concrete page if you are weighing it. Whatever the finish, the slab is 32 MPa air-entrained concrete, the mix made for freeze-thaw winters.
In the old fruit-country pockets at Winona, Fruitland and Vinemount, a century farmhouse can sit beside new infill. There we match the new patio to the older house. Foot traffic can go on a new patio after 24 to 48 hours, furniture after 7 days, and we seal it at about 28 days.
Straight answers
Our old patio in the Old Town has sunk toward the house. Can you fix it?
It depends on why it sank. A patio that sinks toward the house can have a problem in the base under it, and wet clay near the lake is hard on a thin base. We look at the slab and the ground at a free site visit before we say whether it can be repaired or needs replacing. If it needs a new patio, we take out the old slab, build a compacted granular base, and pour the new patio sloped about 2 percent away from the house, so water runs away from your foundation, not toward it.
We have a new house on the Stoney Creek mountain. What patio does the backyard need?
The same thing the clay needs everywhere: a compacted granular base, a slope away from the house, and control joints planned around the patio's shape. Near the Eramosa Karst, we also look at how the lot drains, because fractured limestone can take water in ways you do not expect. We check it all at the free site visit.
Can you build the patio and a path to it at the same time?
Yes. Most patios want a path to the door. A walkway poured the same day shares the truck and the base crew. See our [walkways and steps page](/services/concrete-walkways-steps/) for how we build them.
How much does a concrete patio cost in Stoney Creek?
Size, the finish you choose, access to the backyard, and the base the ground needs all move the number. Broom finish is the most affordable, exposed aggregate is a step up, and stamped work, borders and multiple levels cost more. If an old slab has to come out first, that is part of the job too. We give you a written quote after a free site visit, and the number we give you is the number you pay.
Keep reading
- Concrete Patios across Southern OntarioThe full method: mix, base, slope, joints, finishes and cure times.
- Concrete Contractors in Stoney CreekEverything else we pour and repair in Stoney Creek, from the mountain to the Old Town.
- Concrete Driveways in Stoney CreekWhat a Stoney Creek driveway needs, on lakeside clay or mountain till.
- Basement Waterproofing in Stoney CreekIf the old patio sent water at the house, here is how we fix a wet basement near the lake.
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Free · no pressure · 1 business day