Concrete and asphalt work in Markham by Castellan Concrete

Markham · Ontario, Canada

Solid surfaces for Markham homes and businesses

From single driveways to commercial lots, we handle the dig-out, base, forming or paving and cleanup for properties across Markham Centre, Unionville, Cornell and Markville.

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How it works

From estimate to finished surface

Site visit

An on-site look at access, grades and what's under the surface.

Written quote

Itemized scope, finish options and timeline in writing.

Build

Removal, base, forming or paving, done by one crew.

Cleanup & care

Site cleaned and curing or sealing advice given.

FAQ

Markham paving questions

Why do driveways crack and heave?

Most cracking comes from a thin or poorly compacted base, water getting underneath, missing control joints or heavy loads. Building the base properly and managing drainage prevents most of it.

Can you replace interlock with concrete?

Yes. We remove the pavers and bedding, correct the base and pour a concrete driveway or walkway, with a decorative finish if you want one.

How long does a new driveway take in Markham?

Removal, base and paving for a typical asphalt driveway is usually one to two days. Concrete takes a similar time to pour, then needs several days of curing before cars drive on it — we give you the exact timeline in the quote.

Is concrete or asphalt better for a driveway in Markham?

Asphalt is quicker to install, flexes with frost and is easy to reseal; concrete costs more up front but lasts longer and offers more finishes. The right pick depends on budget, slope, how long you plan to stay and the look you want.

Do I need a permit for a driveway in Markham?

Replacing a driveway the same size often needs no permit, but widening it, adding a curb cut or working in the city boulevard usually does. We check your municipality's rules before the job is scheduled.

Permits & locates

Before we dig in Canada

Underground utilities are located through Ontario One Call before any excavation in Markham — it's free and required.
Widening a driveway, adding a curb cut or working in the city boulevard in Markham usually needs a municipal permit; we confirm before scheduling.
Grading must keep water moving away from foundations and neighbouring properties, so drainage is designed into every job.

Services

Concrete & asphalt services in Markham

01

Sealcoating & crack filling

Crack routing and sealing on concrete to keep water and salt out of the slab.

02

Patios, walkways & steps

Stamped, exposed aggregate or broom finishes, with slip resistance where people walk.

03

Concrete flatwork & slabs

Reinforced slabs with control joints placed so cracks happen where they're meant to.

04

Concrete & asphalt repair

Resurfacing and partial replacement when the base is still sound.

05

Commercial & municipal paving

Line painting, accessible stalls, catch basin and drainage repairs.

06

Excavation, grading & drainage

Grading and compaction of the granular base — the part that decides how long the surface lasts.

York Region

Properties in Markham

Markham CentreUnionvilleCornellMarkville

Before any digging in Markham, underground utilities are located and the layout, grades and finish are agreed in writing.

Repairs are quoted honestly: some slabs can be levelled or patched, others are cheaper to replace than to keep fixing.

Freeze-thaw cycles and road salt are hard on paving here, so we use air-entrained concrete, a deeper compacted base and recommend sealing.

Guide

Markham homeowner & property guide

Is blacktop the same as asphalt?

Mostly, yes. "Blacktop" is the everyday word for asphalt pavement. Technically both are a mix of stone aggregate and bitumen; blacktop is sometimes used for the hotter, finer surface mix used on driveways and lots, while heavier asphalt mixes go on roads. For a home driveway in Markham, the terms describe the same thing.

Asphalt vs concrete vs interlock pavers — which lasts longest?

Concrete typically lasts longest with the least upkeep when it is reinforced, jointed and built on a proper base. Asphalt is cheaper and quicker, flexes with frost and is easy to patch, but needs sealcoating every few years. Interlock pavers look great and individual stones can be replaced, yet they shift and weed over time if the base and edge restraints are poor. In Markham, the base matters more than the surface: any of the three fails early on a thin base.

How thick should a driveway be?

For a residential concrete driveway, 4 inches of concrete is the usual minimum, with 5–6 inches where heavier vehicles park, on a compacted granular base of roughly 6 inches or more. Asphalt driveways are commonly 2–3 inches of hot-mix over a similar compacted base. Soil, drainage and the vehicles you own in Markham decide the exact build-up, and we spell it out in the quote.

Do concrete contractors work on small jobs?

Yes. Small jobs — a few steps, a landing, a walkway section, a pad for a shed, AC unit or hot tub, or a short sidewalk repair — are common across Markham. They are quoted the same way as bigger work: measure, scope and a written price. Bundling small repairs together, or with a larger driveway or patio job, usually lowers the cost per square foot.

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