"For complex jobs, there is no better choice than Mailloux Construction. They really have seen and done it all."
SOUTHWESTERN ONTARIO
We Build What Lasts.
Full-service heavy construction trusted across Southwestern Ontario for over 50 years.
Trusted by Leading Partners Across Southwestern Ontario
What We Do
Our Services
A full range of heavy construction capabilities, delivered with precision, reliability, and over 50 years of expertise.
Excavation
Precision excavation for residential, commercial, and industrial projects of any scale.
Foundations & Footings
Poured foundation walls and footings built right the first time and engineered for lasting structural integrity.
Breakwalls & Boat Docks
Custom breakwalls, boat docks, splash guards, and boat lifts for waterfront properties.
Septic Systems
Complete septic system installation, repair, and maintenance carried out by an experienced crew.
Underground Services
Complete water, sewer, and utility installation handled efficiently by an experienced crew.
Site Work & Trucking
Complete site preparation, grading, and a fleet for material hauling and delivery.
Built on Trust. Backed by 50 Years of Expertise.
Every project reflects our commitment to excellence.
How We Work
From First Call to Final Walk-Through
01
Consultation
We visit your site, assess the scope, and discuss your vision. No obligation, no pressure just honest expert advice.
02
Planning & Permitting
We handle all engineering, design coordination, and permit applications so you can focus on what matters.
03
Execution
Our crews mobilize with precision. We keep you updated daily, manage every detail, and deliver on schedule.
04
Final Inspection
We walk every inch with you, ensure everything exceeds standards, and stand behind our work with confidence.
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.
Testimonials
What Our Clients Say
"We have worked with Mailloux Construction on many projects over the years and their dedication and skill is unmatched."
"The crew at Mailloux Construction are among the best and most professional that we have ever worked with as a construction management company."
Ready to Start Your Project?
Get in touch for a free consultation and quote. We're ready to bring your vision to life.