St Charles County & Greater St. Louis

Schedule your appointment or Service call — estimates are always free for homeowners.

A Helitech employee will reply to confirm your appointment within 48 hours.

St. Charles County Basement Waterproofing and Foundation Repair

Proudly serving St. Charles, O'Fallon, Wentzville, Warrenton, St Charles, Arnold, Festus, Hillsboro, De Soto, Union, Washington, and St Clair regions.

Services Offered

Basement Waterproofing
Crawl Space Waterproofing
Foundation Repair
Concrete Leveling
Specialty Services

Local Office Address

625 Feise Road
O’Fallon, Missouri 63368

Contact Us

Call 800-246-9721

Text 314-391-8125

Our local office hours vary by seasonality. You can reach our St. Charles Office at 800-246-9721, or fill out our online form and we will get back with you as soon as possible. We have a voicemail set up to take your information if we miss your call outside of business hours.


Monday - Friday
7:30 am - 6 pm
8 am - 2 pm

The St Charles County & Greater St. Louis Region

St. Charles County Basement Waterproofing and Foundation Repair

Our St. Charles County office services homeowners to the west of St. Louis City and specializes in proven home solutions for waterproofing, foundation repair, basement and crawlspace sealing, crack repair, wall repair, and mudjacking.

For over 30 years, Helitech has helped St. Louis residents heal their homes. With the continued growth of St. Louis to the west, Helitech has responded by expanding and now calling O’Fallon our home. In 2018, Helitech partnered with another premier St. Louis-based company, Hansen Tree Service, to establish our St. Charles County office alongside Hansen’s headquarters located in O’Fallon, MO.

“By having an office and facility in O’Fallon, we are able to better position and service the growth and expansion of St. Louis,” says Jason Courtney, president and owner of Helitech. “The St. Charles office now gives us five locations to better serve the many communities that have supported us for over three decades.”

Foundation Repair Experts in St. Peters

Small cracks in your foundation can cause big problems later down the road. If you’re experiencing horizontal or vertical cracks in your basement walls in Harvester, MO Helitech can mend your foundation back to health. Weldon Springs homes with structural damage are more likely to experience water leakage, which can cause even more damage to your beloved basement in St. Charles County. Whether your O’Fallon home needs a sill plate replacement or if the floor joists need additional support, the foundation repair experts in St. Peters are here to help.

Basement Waterproofing Services near Chesterfield

West County homes with water damage lose property value fast. If there is water in your home due to leaky ceilings or a flooded basement, Helitech can implement the right basement waterproofing system that will get the water out and keep the water out. Whether your Ballwin home needs a moisture barrier installed or an updated yard drainage system, our trusted technicians will find the most cost-effective service for your flooded basement.

Wentzville Concrete Leveling Contractors

Uneven sidewalks or cracks in your driveway can be an unsightly inconvenience and even worse, a safety hazard. If you’re dealing with settling concrete issues in your Troy, MO home reach out to our Home Care Specialist for a free estimate. Our trusted technicians will review your issue and decide if mud jacking or polyurethane concrete leveling is necessary. There’s a reason why Foristell homeowners trust Helitech with their homes.

Choose a local St. Charles County Foundation Repair Company

The benefit of hiring a local waterproofing company or local foundation repair company is the experience. We know about the soils your foundation was built on because it’s the same foundation that our homes are built on. We’re your neighbors down the street, your team members on your bowling league but most importantly –we’re the right choice for a St. Charles County basement waterproofing company. The foundation repair experts at Helitech enjoy being a part of the O’Fallon, MO community and have strong ties to the community such as;

  • Messiah Lutheran Church
  • St. Louis Home Builders Association

Helitech Foundation Services Greater St. Louis

Click each link to learn more.

All of Helitech’s services have an A+ rating with the Better Business Bureau.

Helitech Waterproofing & Foundation Repair BBB Business Review

Helitech 30th Anniversary Logo

Healing Homes in St. Charles County - 5 Decades Strong

2021 BBB TORCH Award Winner for Central Missouri, St. Louis,
Southern Illinois, and Southeast Missouri

St Charles County & Greater St. Louis Foundation Repair

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Helitech branded vehicles sitting outside of a warehouse
A Helitech SUV parked outside of a warehouse
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An inside view of a Helitech warehouse
An inside view of a Helitech warehouse

Helitech is Getting Rave Reviews

5 star(s)

Josh P.

Wentzville, MO, USA

We worked with Brandon to repair some cracks in our foundation prior to finishing our basement. The entire process was smooth, affordable and convenient. Would definitely use this company again in the future!