Custom Residential Plumbing

New builds and additions, plumbed from the ground up

Full residential plumbing for custom homes and major additions — system design, rough-in and finish, coordinated with your builder.

Our Work

Recent projects across the GTA.

Real jobs by Pete and Joseph, bathrooms, rough-ins, custom installs and finished builds. Tap any photo for a closer look.

Overview

The full scope, from underground to finish

On a custom home or addition, the plumbing has to be planned for the whole house — supply sizing, drainage, venting, and every bathroom, kitchen and laundry working together. We handle the complete scope: underground and rough-in through to fixtures and finishes, working alongside your builder and trades to keep the project on schedule.

  • Whole-home system design
  • Underground & rough-in plumbing
  • Multi-bathroom & kitchen plumbing
  • Laundry, exterior taps & mechanical
  • High-end fixture & finish installation
  • Builder & trade coordination
Seal Plumbing whole-home rough-in plumbing in a custom build
Seal Plumbing mechanical room with manifold and water treatment

Mechanical & Rough-In

Planned as one system, roughed in once

Multiple bathrooms, a gourmet kitchen, laundry, exterior taps, water treatment — we plumb it so it performs in a full house, not just on paper. Supply sizing and layout are designed for the finished home, so pressure and drainage hold up everywhere.

We coordinate with framing, HVAC and electrical so the rough-in goes in right the first time and plumbing never holds up the build.

Fixtures & Finish

High-end fixtures, set clean and tested

From rough-in to the high-end fixtures, the work is clean and inspection-ready. We install the fixtures and finishes the project calls for — set straight, sealed and tested before handover.

The same licensed plumbers who plan the system are the ones setting the finishes, so what was designed is what gets delivered.

Seal Plumbing high-end fixture and finish installation

Why Seal Plumbing

A team that owns the whole plumbing scope

Planned for the house

Sizing and layout designed for the finished home, so pressure and drainage hold up everywhere.

On schedule

We coordinate with framing, HVAC and electrical so plumbing never holds up the build.

Finished to standard

From rough-in to the high-end fixtures, the work is clean and inspection-ready.

FAQ

Common questions

Do you work directly with builders?

Yes — most of our custom work is done alongside a builder or general contractor, coordinated to the project schedule.

Can you handle the full house, not just one area?

Yes. We take on the complete residential scope: underground, rough-in, and finish across every room.

Do you install high-end fixtures?

We install the fixtures and finishes the project calls for, set clean and tested.

Building or adding on?

Bring us in early and the plumbing won’t be what slows you down.