Underground Service

Underground plumbing for homes & small commercial

Sewer line repair, water line installs and below-grade drainage for residential properties and smaller commercial jobs across the GTA.

Underground plumbing trench with sewer pipes at GTA construction site

Underground work, done right

Sewer lines, water service lines and below-grade drainage need to be installed properly the first time. We focus on residential properties and smaller commercial jobs, the scale where attention to detail and clean workmanship actually matter.

  • Sewer line repair and replacement
  • Water service line installation and upgrades
  • Main line and drain repairs
  • Excavation, backfill and site restoration coordination
  • Underground rough-ins for homes and small commercial

Why builders & homeowners choose NorthCore

Skilled Crews

Underground work isn't a side gig. It's a core part of what we do every week.

Right Equipment

We come prepared for excavation, pipe replacement and site coordination.

Permits & Compliance

Code-compliant installs, proper permits, and inspections handled cleanly.

Get a quote for your underground project

Tell us about the site, scope and timeline. We'll come back with a clear, honest quote, and we're happy to walk you through the work before you commit.

Or call us directly: 416-457-2142

24/7 Emergency Plumbing | GTA Wide

Burst pipe? Emergency service? Call now.