O'Connor Contracting

General Contractors

O'Connor ContractingGeneral Contractors

Located in Erin servicing Erin and surrounding areas

(905) 782-8924
CALL NOW
Serving Halton Hills since 2003

Landscape construction in Halton Hills, built to last.

Stone patios, retaining walls, full backyard transformations. One crew, real timelines, honest pricing. We've been building across Halton Hills, Georgetown, and the surrounding region for over twenty years.

20+Years in Halton Hills
500+Projects completed
UnilockAuthorized contractor

What we actually build

No project menu here — just real work we do every week across Halton Hills. If you don't see what you need, just ask.

D

Landscape design & construction

From the first concept sketch through the final wash of the stone. Full design and build, handled by one team.

See landscape design & build →
P

Stone patios & interlock

Patios, walkways, driveways, and pool decks. We're Unilock authorized, so the warranty is real and the install is to spec.

See interlock & flagstone →
W

Retaining walls

Engineered for the actual grade and drainage load — not just stacked stone. Built to hold up to Halton Hills winters.

See retaining walls →
A

Armour stone

Natural-stone walls and accents that look like they were always there. Great for slopes, garden borders, and water features.

See armour stone work →
~

Pools, ponds & water features

Built into the landscape, not bolted on. Pool decks, surrounds, and water features that fit the rest of the design.

See pool & water work →
G

Outdoor structures

Gazebos, cabanas, pergolas. Covered space for shade, dining, and pool-side living — built to match the rest of the build.

See gazebos & cabanas →

How a Halton Hills project actually runs

Six steps, in order. We tell you what's happening at each one so there are no surprises.

We walk the property

Free site visit. We look at the land, ask what you want the space to do, and flag anything that'll affect cost or timing.

You get a real quote

Written, itemized, no vague ranges. If 3D renderings would help you picture it, we can do those too.

Dig, drain, and base

The part nobody photographs but everything depends on. Proper excavation, drainage, and a stable base — or your patio sinks two winters in.

Hardscape goes in

Stone, interlock, walls, steps, structures. Our crew, not subs. Built to Unilock spec where it applies.

Plants & finish

Garden beds, sod, mulch, edging, lighting. The details that make the property look done the day we leave.

Walk-through & warranty

We walk the project with you. If something needs adjusting later, we come back. That's the deal.

Why neighbours in Halton Hills keep calling us back

There's plenty of competition. Here's what makes a difference when the dust settles:

  • Twenty-plus years in this regionWe know the soil, the freeze-thaw, the municipal rules, and which suppliers actually deliver on time.
  • Unilock Authorized ContractorOur crew is trained to install Unilock to spec, which is what makes the warranty real.
  • One crew, start to finishWe don't sub out the build to whoever's free that week. Same team, same standard.
  • Honest pricing and clear timelinesYou get a real number and a real start date — and we tell you the moment something changes.
  • Work that holds upOur customers come back. Read what they say on our testimonials page.
  • We do the small stuff rightEdges, drainage, lighting transitions. The boring details are what separates "okay" from "still beautiful in five years."

What people in Halton Hills say

“We hired James and his crew to do a new stone patio for us which was complicated by its location with relation to the septic bed. Fast quote, fast start, and the workmanship is outstanding. The whole thing was hassle-free.”

— Melissa S., Halton Hills

“Built a 1,000 sq ft patio out of armour stone and interlock. Every step of the way we were amazed. They handled changes along the way without drama and still finished on time.”

— Natasha T., Halton Hills

Areas we serve near Halton Hills

Halton Hills and Erin are home base. Our trucks are out across the region most weeks of the year.

Halton Hills Georgetown Acton Limehouse Glen Williams Norval Caledon Erin Guelph Brampton Mississauga

Not sure if you're in the service area? Ask us — we'll tell you straight.

Common questions, straight answers

If you don't see your question here, just call. We don't mind explaining.

How long does a typical landscape project take in Halton Hills?

Depends on the scope. A focused job — say, a 400 sq ft interlock patio — usually runs 1 to 2 weeks on-site. A full backyard build with a pool, walls, and planting is more like 4 to 8 weeks of on-site work, plus the design phase before it. You'll get a real schedule before we break ground.

When's the best time of year to start?

Halton Hills builds run from spring thaw to late fall. Earlier in the season means you get on the calendar sooner; fall builds are great too because plants establish well over winter. We book up — the earlier you reach out, the more flexibility you have.

Do you handle permits?

Yes — for anything that needs them (pool installation, certain retaining walls, structures), we file the paperwork and deal with the town so you don't have to.

How do payments work?

Most projects are paid in stages tied to milestones — nothing up front for the full amount. We'll walk you through the schedule during the quote so it's all clear before you sign anything.

Do you offer financing?

We can talk options during the consultation. For most homeowners, the stage-based payment schedule handles it without third-party financing.

What if I just need a quote, not a full design?

That's fine too. We do focused projects all the time — a wall, a patio, a walkway. No pressure to bundle anything you don't want.

Ready to talk about your project?

Free consultation, no pressure, and you'll get a real sense of what's possible on your property. Pick whichever's easier:

(905) 782-8924

Mon–Fri 8am–8pm · Sat 10am–6pm · Sun by appointment

Contact us now to schedule a consultation!

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