Red Seal Certified Logo New Custom Home & Construction Plumbing Specialists

Complete New Home Plumbing Installation in Ontario

Building a new custom home or major residential addition? HSC Plumbing delivers complete end-to-end plumbing installation—from main sewer hookups and underground ABS drainage to framing rough-ins, water supply manifolds, and luxury fixture finishing.

New Custom Home Plumbing Rough-In
New Build Construction

Custom Home Framing & Rough-In Plumbing

Complete end-to-end plumbing for new residential builds—covering underground drainage, PEX water supply manifolds, and vent stacks ready for city inspection.

Step-By-Step Process

4-Phase New Home Plumbing Workflow

We coordinate with your general contractor and home builder at every construction stage to ensure zero delays.

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1. Underground & Main Hookup

Excavation, main sewer line connection, backwater valve, sump pit setting, and underground ABS drain installation before slab pour.

02
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2. Framing & Stack Rough-In

Running vertical waste stacks, roof vent penetrations, PEX water supply trunks, shower valve drops, and kitchen/laundry lines.

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3. Pressure Test & OBC Inspection

Hydrostatic/air pressure testing of water lines and DWV stack test prior to insulation and drywall close-in. Municipal sign-off guaranteed.

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4. Final Fixture Trim & Start-Up

Mounting toilets, freestanding tubs, sinks, vanity faucets, dishwashers, water heaters, and final line commissioning.

Complete Scope of Work Included

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Full Bathroom Plumbing

Master suites, secondary bathrooms, powder rooms, freestanding tub fillers, body jets, rain heads, and concealed shower valves.

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Kitchen & Pantry Systems

Main kitchen sink, island prep sink, pot filler rough-in, refrigerator ice maker lines, and dishwasher connections.

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Water Distribution & Manifold

High-flow PEX water main, individual zone shutoffs, thermal expansion tanks, and pressure-reducing valves.

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Mechanical & Water Heating

Tankless or tank water heater installation, hot water recirculation pumps, water softener loop, and main shut-off valves.

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Basement & Flood Protection

Sub-slab ABS drainage, backwater valve, floor drains, battery-backup sump pump system, and sewage ejector pits where required.

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Exterior & Garage Utilities

Frost-free exterior hose bibbs, garage sink rough-ins, and lawn irrigation supply tie-ins.

Request a Quote for New Home Plumbing

Send us your architectural plans or project details for a comprehensive cost breakdown.

On-the-Job Video

Watch Plumbing Rough In - Piping Vents for New Build

Vent piping and waste stack rough-in for a new build home in Toronto. Behind-the-walls inspection-ready plumbing.