Groundhogs - We fix below, so you can enjoy what's above.

Foundation Repair, Waterproofing and Septic System Specialists.

Why Northern Ontario Homeowners Choose Us

With years of experience under our belt, our team of experts is driven by a passion for excellence and a dedication to meeting your unique needs. Whether it's foundation repair, structural support, waterproofing, or septic system installation, we approach every project with precision and care.

Locally Owned & Operated

Locally Owned & Operated

Experienced, Highly-Trained Technicians

Experienced, Highly-Trained Technicians

High-Quality Workmanship & Materials

High-Quality Workmanship & Materials

Exceptional Customer Service

Exceptional Customer Service

Northern Ontario's Foundation Repair, Septic System & Waterproofing Experts

Proven foundation repair solutions in Thunder Bay & beyond

Your foundation is one of the most important elements of your home. Common foundation problems such as cracked, bowing, or buckling walls and floors can put the entire structure at risk. If you've noticed foundation damage, don't wait to take action — call the experts at Groundhogs.

As the Northern Ontario's trusted Supportworks dealer, we offer innovative, state-of-the-art foundation repair solutions to diagnose and fix all types of foundation problems quickly. You can count on our trained technicians to inspect your foundation and create a detailed repair plan that strengthens and restores the structural integrity of your Thunder Bay property.

Need waterproofing or drainage solutions? We offer that, too! Contact us to learn more about our foundation waterproofing, basement waterproofing, and drainage services. We're proud to offer free, no-obligation estimates in Thunder Bay, Sault Ste Marie, Sudbury, and throughout Northern Ontario.

Reliable Thunder Bay Septic System Installation & Repair Solutions

Groundhogs is your trusted partner for all your septic system needs in Northern Ontario. As a fully licensed sewage system installer, we have the expertise and experience to provide tailored solutions for all your septic needs.

Our comprehensive range of services includes septic tank installation, septic system repair, and septic system replacement. We specialize in both traditional and advanced septic systems, including Eljen systems. Whether you're a homeowner, business owner, or property developer, you can rely on us for prompt and reliable service that exceeds your expectations.

Contact us today to discuss your septic system needs and get started on the path to efficient waste management. We offer free on-site assessments and detailed estimates for our septic services in Sudbury, Sault Ste Marie, Thunder Bay, and the surrounding area in Northern Ontario.

our service area

We serve the following areas

  • Alban
  • Arnstein
  • Astorville
  • Bear Island
  • Bonfield
  • Cache Bay
  • Callander
  • Commanda
  • Corbeil
  • Field
  • Garden Village
  • Golden Valley
  • Hornell Heights
  • Kapuskasing
  • Killarney
  • Lavigne
  • Little Current
  • Loring
  • M'chigeeng
  • Manitowaning
  • Marten River
  • Mattawa
  • Mindemoya
  • Mobert
  • Monetville
  • Nipissing
  • Noelville
  • North Bay
  • Port Loring
  • Powassan
  • Providence Bay
  • Redbridge
  • Restoule
  • River Valley
  • Rutherglen
  • Sheguiandah
  • South Baymouth
  • Spring Bay
  • St Charles
  • Sturgeon Falls
  • Sudbury
  • Tehkummah
  • Temagami
  • Thorne
  • Timmins
  • Trout Creek
  • Val Caron
  • Verner
  • Warren
  • Wikwemikong
Our Locations:

Groundhogs
141 A Frederica St W
Thunder Bay, ON P7E 3V8
1-807-907-8600
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