Build It Right.
From Day One.
New construction plumbing for builders, developers, and contractors in St. Thomas and London, Ontario. From design review to final inspection — on schedule, on budget, passed the first time.
New Construction Plumbing Services
Every phase of the build — from planning table to occupancy permit
Design & Planning Collaboration
Review plans with architects and builders from day one. Identify code issues, optimize pipe routing, and prevent costly design conflicts before construction begins.
Rough-In Installation
Complete underground and in-wall rough-in plumbing — supply lines, drains, venting, and slab penetrations — inspected and approved before walls close.
Fixture & Finish Plumbing
Final installation of all plumbing fixtures, faucets, toilets, tubs, showers, appliances, and trim — executed to spec with zero callbacks.
Water & Sewer Service
Main water service and sewer connections to municipal infrastructure, including all excavation coordination and municipal approvals.
Water Heater Systems
Installation of traditional, tankless, or heat pump water heaters — properly sized for occupancy and properly vented per code.
Permits & Inspections
Full permit management — application, scheduling, and passing all required inspections on the first attempt. Complete documentation for project records.
Construction Projects We Serve
Custom Homes
Single-family homes built to your client's specifications with precise attention to layout and fixture selections.
Multi-Unit Developments
Townhouses, condos, and apartment buildings — scaled plumbing systems coordinated across multiple units.
Major Renovations
Large-scale renovations and additions requiring significant new plumbing infrastructure — planned from blueprints.
How We Work With Builders
Design Review
Review plans with your architect or builder to optimize plumbing layout, confirm code compliance, and identify any design conflicts before breaking ground.
Rough-In Phase
Install all underground and in-wall plumbing before framing closes. Coordinate inspection scheduling and get sign-off to keep your build on track.
Inspections
Coordinate and pass all required municipal plumbing inspections on the first attempt. Provide documentation for your project records and construction draws.
Finish & Sign-Off
Install all fixtures and trim, perform pressure testing, and deliver a complete as-built documentation package for occupancy application.
Why Builders Choose Jumbo
On-Time Performance
Jumbo Plumbing respects construction schedules. We coordinate with other trades, show up when planned, and complete phases on time so your project stays on schedule and on budget.
First-Inspection Pass Guarantee
Our new construction plumbing is designed and installed to pass inspections the first time. No re-inspections, no schedule delays, no callbacks from the inspector. We know the Ontario Building Code.
Clear Communication Throughout
Regular project updates, direct contact with your site supervisor, and proactive communication about any field conditions that may affect design or schedule. No surprises.
Full Documentation Package
We provide complete permit sets, inspection records, as-built documentation, and warranty paperwork — everything you need for draws, occupancy applications, and buyer disclosure.
New Construction Plumbing FAQs
Related Services
Planning a New Build?
Get Jumbo Plumbing involved from day one. We work with builders and developers across St. Thomas and London, Ontario — delivering on-time, code-compliant plumbing every build.