Visit Us

Office Address
1100 S Lewis Blvd
Sergeant Bluff, IA 51054
Contact Us

Phone: 1-800-827-0702

Office Hours

Monday - Friday: 8AM - 5PM

Services offered in Sioux City

Foundation Repair in Sioux City Trust the Thrasher experts in Sioux City to provide permanent solutions for cracked, bowing, sinking or damaged basement foundations.
Concrete Repair in Sioux City Get your driveway, sidewalk or patio in Sioux City back to like-new condition with concrete repair solutions from Thrasher.
Basement Waterproofing & Drainage in Sioux City Say “so long” to leaky basements with Thrasher’s permanent basement waterproofing and interior and exterior drainage solutions in Sioux City.
egress window Egress Windows in Sioux City If a well-ventilated, code-compliant and light-filled basement is what you want, the experts at Thrasher can install safe egress window systems in your Sioux City basement.
Crawl Space Repair in Sioux City Increase air quality and prevent future water damage in your crawl space with professional repairs from Thrasher in Sioux City.
sump pump Sump Pumps in Sioux City Keep your Sioux City basement dry for years to come with a patented sump pump installed by the pros at Thrasher.

Get a Free Inspection

Give us a call at 1-800-827-0702 or complete the form and we'll contact you shortly to schedule a free inspection, and you'll get a no-obligation written quote during our initial visit.

Personal Information

Trust Thrasher for Expert Repairs in Sioux City

With more than 40 years of service repairing foundations, waterproofing basements, fixing concrete and installing egress windows in Sioux City and northwest Iowa, Thrasher experts understand your needs. Get a professional evaluation to protect your basement from potential flooding, or even tackle a foundation repair from settling of your home.

The experts at Thrasher can help when you’re looking for concrete repair or basement waterproofing solutions for your northwest Iowa home. Choosing Thrasher for your Sioux City basement waterproofing or foundation repair is an investment in the structural integrity of your home for years to come.

Learn more about Concrete Repair

Before & After

Crawl Space Encapsulation Stops Musty Smell in Wichita Home January 20, 2021  |  Before & After Crawl Space Encapsulation Stops Musty Smell in Wichita Home This homeowner had horrible smells coming up into her kitchen and the rest of the home. Thrasher traced it to the crawl space and suggested a permanent fix.
Sump Pump Ensures Dry Basement in Grand Island | Thrasher January 19, 2021  |  Before & After Sump Pump Ensures Dry Basement in Grand Island | Thrasher This new homeowner purchased a home that previously had a wet basement repaired by Thrasher Foundation Repair and “inherited” the warranty that went along with it.
Egress Window Solution for a Growing Family in Eagle, Nebraska September 11, 2020  |  Before & After Egress Window Solution for a Growing Family in Eagle, Nebraska Thrasher Foundation Repair helped the Kosmicki's get something more from their home as they needed room to accommodate a growing family.

See all Before & After

The Thrasher Team Servicing Sioux City

Corey Little Corey Little System Design Specialist
Dustin Brunsting Dustin Brunsting System Design Specialist
Haley Benner Haley Benner Warehouse Assistant
Jesse White Jesse White System Design Specialist
Jon Young Jon Young System Design Specialist
Jordan Comstock Jordan Comstock System Design Specialist
Joshua Hillbrand Joshua Hillbrand Production Manager
Matthew George Matthew George Service Technician
Matthew Lindblom Matthew Lindblom Team Leader
Ryan Van Cleave Ryan Van Cleave System Design Specialist
Sinan Supurgeci Sinan Supurgeci General Manager
Trevor Schirman Trevor Schirman Service Technician

See the entire Thrasher Team

Why Choose Thrasher in Sioux City

In a word: experience — both as it relates to the expertise we’ve amassed over the years and the way we interact with our customers every day. Thrasher is a family-owned, family-run business that has been providing foundation repair solutions for more than 45 years. Over that time, we’ve grown from a single-person business operating out of a basement to a thriving enterprise of more than 200 employees providing foundation repair solutions to homeowners across three states.

We’re a member and sister company (opens in a new window) to the Supportworks network (opens in a new window) — a group of more than 130 contractors across the United States and Canada that is committed to redefining the industry by proving that more is possible when it comes to the homeowner-contractor experience. Honesty. Transparency. Courtesy. Respect. These are the values that drive us, from the person who first takes your call to the person who shakes your hand when the job is completed to your satisfaction.

Learn more about us