Thrasher Foundation Repair

What They Do

Water DamageMold

• Basement waterproofing
• Concrete driveway building
• Concrete levelling
• Concrete car park building
• Concrete repairs
• Concrete resurfacing
• Concrete pavement building
• Crawl space foundation construction
• Driveway repairs
• Flooring
• Foundation drainage
• Foundation raising
• Foundation repairs
• Foundations
• Retaining walls
• Water and moisture control services
• Concrete lifting
• Cracked concrete repair
• seawall repair
• Waterproofing
• Water removal
• Air Filter Supplier
• Air Filtration
• Air Filtration Services
• Aspen Air Filter
• Basement Cracks
• Basement Drainage
• Basement Floors

In Their Own Words

With 50 years of experience in the basement and foundation repair industry, Thrasher Foundation Repair offers trusted services to homeowners around Sergeant Bluff, IA. Recognized for our exceptional commitment to leadership, character, and organizational ethics, we are proud recipients of the 2024 International BBB Torch Award for Ethics. From cracked concrete repair to basement waterproofing and crawl space encapsulation, we provide state-of-the-art solutions to keep your foundation safe, dry, and healthy. Here at Thrasher, we guarantee precise repair and genuine care. We proudly offer our services in Sioux City, Le Mars, Spencer, Orange City, Sheldon, and surrounding areas. Contact us today for a free inspection!

Written by the business on its public profile. We have not verified these claims.

Before You Call Thrasher Foundation Repair

1. Do you take moisture readings every day and will you give me the drying log?
2. Are your technicians certified in water damage restoration?
3. Where do you think the moisture is coming from, and who fixes it?
4. Will you set up containment and negative air, and how will you protect the rest of the home?

In Iowa, ask for the contractor’s state registration, in Nebraska ask for registration with the Department of Labor, and in South Dakota check local licensing with the city or county. Also ask for proof of insurance and industry certification for the restoration crew.

How Their Reviews Break Down

Counts from public listings as of September 23, 2026. A handful of reviews says less than a few hundred.

Read This While You Wait

• DIY with careWhat to Do in the First 24 Hours After Water DamageAn hour by hour plan for the first day after water damage. Make it safe, stop the source, document, remove water and start drying before mold can start.
• DIY with careSafe DIY Mold Cleanup for Areas Under 10 Square FeetA step by step method to clean up mold under 10 square feet safely, with the gear to buy, what to throw away, why bleach is not the default, and when to stop.
• DIY friendlyWasher, Dishwasher, Fridge and Toilet Supply Line LeaksHow washer hoses, dishwasher lines, ice maker tubing and toilet supply lines fail, how to clean up each kind of leak, and how to replace a line yourself.
• DIY with careAttic Mold on Roof Sheathing, Causes and FixesWhy mold grows on attic roof sheathing, how to find the cause, the fixes that stop it for good, and how to tell a cosmetic stain from a roof that needs work.