Underground Services

Complete water, sewer, and utility installation handled efficiently by an experienced crew across residential, commercial, and industrial sites throughout Southwestern Ontario.
Get a Quote

What is underground is just as important as what is above it.

Underground infrastructure is the backbone of every developed property. Whether it is a water main, a sanitary sewer, or a storm drainage system, getting it right the first time saves time, money, and headaches down the road. Mailloux Construction has the equipment, experience, and crew to handle underground utility work on projects of any size across Southwestern Ontario.

From service connections on residential lots to large scale utility installation on commercial and industrial sites, we bring the same level of precision and professionalism to every job we take on underground.

WHAT WE OFFER

  • Water main installation and repair
  • Sanitary and storm sewer systems
  • Service connections and tie-ins
  • Catch basin and manhole installation
  • Drainage tile and culvert installation

Why Mailloux

Your Trusted Partner

Proven Reliability

Over 50 years serving Southwestern Ontario with consistent quality, on-time delivery, and transparent communication on every project.

Full-Service Capabilities

One team handles everything, excavation, foundations, septic, underground services, site work, and trucking.

Safety & Compliance

Fully licensed and insured with rigorous safety standards upheld on every jobsite, every time.

Ready to Start Your Project?

Get in touch for a free consultation and quote. We're ready to bring your vision to life.