Concrete steps in Caledon
Step work in Caledon is mostly replacement, and the story is nearly always identical.
A set was poured decades ago on a base that was normal practice at the time and is not deep enough for the freeze-thaw cycle this country actually gets. Each winter the ground beneath expands and lifts the steps. The house, sitting on a proper foundation, does not move. So the assembly separates from the wall, a gap opens at the top riser, water runs into it, and every subsequent winter widens the gap and increases the tilt. By the time anyone calls, the steps are leaning away from the door.
The concrete was rarely the problem, which is why repouring onto the base that just failed produces the same failure on the same schedule. The quote worth taking is the one that prices excavating and rebuilding what is underneath, and the two versions look identical for about two years, which is exactly why the cheaper one keeps getting chosen.
Older farmhouses often have a full porch slab rather than a simple set of steps, and that is a larger version of the same job with more volume of fill to deal with. It also brings a detail specific to old buildings: stone and soft brick foundations move seasonally and need to dry, and a rigid concrete assembly tied hard into that masonry restrains the movement and traps moisture at the joint. So the steps are detailed to sit against the wall rather than be locked into it.
On rolling ground the entrances carry more rise than average, which means more risers and a Building Code guard requirement that arrives sooner than it would on a flat lot. Riser and tread consistency is mandatory throughout, because people climb by rhythm rather than by looking.
Frost depth on a rural site is a genuine design input rather than a box to tick, and the footings are sized accordingly.
Where a walkway or driveway is already being poured, folding the steps into the same visit is the sensible move: one mobilization, and the transitions get formed as a single detail. We also pour the walkways they connect to and the driveways they meet, and cover the rest of our Caledon service area.
East of here the entrances are newer estate landings that settle rather than heave, covered on concrete steps in King City. South the same settlement problem turns up on subdivision entrances, dealt with on concrete steps in Vaughan.