
New Construction Plumbing
Building a new home? We handle the full plumbing package — underground rough-in, above-ground rough-in, and final finish — with permits and inspections done right the first time.
Does This Sound Familiar?
- You're building a new home and need plumbing rough-in
- You need a plumber who coordinates with your builder and trades
- You want permits and inspections handled properly
- You're a builder looking for a reliable plumbing subcontractor
- You need gas lines roughed in for appliances
- You want the plumbing done right from the start

What's included
- 1
Plan and quote
We review your plans, quote the full plumbing package, and coordinate with your builder on timing and layout.
- 2
Underground rough-in
We handle the underground sewer and water connections before the slab goes down.
- 3
Above-ground rough-in
We run all supply and drain lines, gas lines, and rough-ins for fixtures before the walls close up.
- 4
Final finish
After drywall, we install all fixtures, test every line, and pass the final inspection.
Upfront, Flat-Rate, No Surprises
Flat-rate package quote for the full plumbing scope.
Clear breakdown by phase — underground, rough-in, and finish.
No hidden change-order surprises if the plans don't change.
Repair vs. Replace
The factors that push a job one way or the other — straight, no pressure.
- New construction is a clean install — done right from the start.
- Proper rough-in prevents costly fixes after walls are closed.
- We coordinate with your builder to keep the project on schedule.
Why Choose Dea Mechanical for New Construction Plumbing
Full-service plumbing from underground to final fixture install.
Permits pulled and inspections passed first try.
30 years of experience means builders trust us to show up and deliver.
You Might Also Need
Gas Line Installation & Inspection
Licensed gas line installs for ranges, fireplaces, and more.
Renovation & Remodel Plumbing
Kitchen, bath, and basement reno plumbing done clean and right.
Tankless Water Heater Installation & Service
Endless hot water and lower energy bills — sized and installed right.
Available in your area:
New Construction Plumbing — Common Questions
What Homeowners Say
"Full plumbing for our new build in Willoughby. Rough-ins done right, inspections passed first time. They know their stuff."
Eric J.
New Construction · Langley
"Rough-in for our infill home was done right — permits pulled, inspections passed first try. Real professionals."
Mike R.
New Construction · Port Coquitlam
Ready for new construction plumbing?
Get a free quote or call — we'll get a licensed plumber to your door with upfront pricing.
Or use our full quote page →Get Your Free Quote
Fast, no-obligation. We'll confirm by phone.
