Local
St. Louis Foundation Specialists
We work daily with St. Louis-area soil profiles — from the Missouri River bottoms to the heavy clay common across South County and West County.
Experienced Foundation Specialists · Serving St. Louis
Foundation Issues?
Honest Assessment from St. Louis Specialists.
Experienced foundation contractors · Free inspection · Serving St. Louis, St. Charles, Chesterfield, Florissant, Kirkwood, Webster Groves, University City, Maryland Heights, Ballwin & O'Fallon
Free
Inspection
Local
St. Louis Team
Insured
Licensed Pros
Why St. Louis Homeowners Choose Us
Local foundation expertise, honest assessment, defensible repair plans.
Backed
Repairs Backed by Warranty
Our structural repairs are backed by written warranty terms you can review before any work begins. Documented scope. No surprises mid-project.
Honest
Assessment First
If the cracks are cosmetic, we'll tell you. We won't recommend underpinning that isn't engineering-justified. That posture is what brings repeat referrals.
Our Services
Complete St. Louis foundation services — from assessment to long-term repair.
01
Structural Assessment
An on-site evaluation of your foundation: elevation survey, visible damage documentation, soil and drainage observations, and an analysis of how the load is moving through your structure. You receive a written assessment with photographic documentation and a clear repair scope — no high-pressure sales meeting.
Request Assessment02
Piering & Underpinning
Steel push piers and helical piers driven to load-bearing strata stabilize settling St. Louis foundations permanently. We size each pier to the engineered load, document refusal depths, and lift the structure back toward functional elevation where soil conditions allow.
Discuss Piering03
Crack Repair & Sealant
Structural epoxy injection bonds concrete cracks at full depth, restoring monolithic strength. Polyurethane sealants address active water-bearing cracks. Every repair is preceded by root-cause analysis — we don't seal symptoms over active settlement.
Get Crack Repair04
Basement Waterproofing & Drainage
Interior drain tile, exterior membrane systems, sump pump installation, and grading correction. Hydrostatic pressure is the silent driver behind most St. Louis foundation movement — we engineer the water away before it has a chance to act on your structure.
Waterproofing Quote05
Pier-and-Beam Repair
Older St. Louis homes with pier-and-beam foundations need a different toolkit: sister joists across spans, pier replacement or supplementation, and crawlspace moisture control. We restore floors toward level and seal out the moisture that drives the next round of damage.
Pier-and-Beam Quote
Documented Repairs
Drag to compare — representative St. Louis foundation work.
Representative Scenarios
How St. Louis foundation problems typically get diagnosed and resolved.
Scenario 01 · West County
Active step-cracking on a West County brick home.
A typical St. Louis call: visible step-cracking along an exterior elevation, differential settlement, and emerging interior drywall fractures. Homeowner unsure whether the cracks are active or stable.
Free
On-site assessment
Written
Repair scope & price
~6 wks
Typical timeline
Backed
By written warranty
Steel push piers placed along the affected footing recover elevation where conditions allow. The home is returned to functional levelness, drywall is patched, and the warranty terms travel with the file. We document everything — before, during, and after.
Schedule My Free Inspection
Scenario 02 · South County
Pier-and-beam stabilization on a South County ranch.
An older South County ranch with a sagging pier-and-beam foundation, sloping floors, and chronic crawlspace moisture. Insurance had declined a prior claim under "soil movement" exclusions.
Free
Engineer-style report
Honest
Coverage analysis
~4 wks
Typical timeline
Backed
By written warranty
New concrete piers are poured, sister joists are installed across affected spans, and a sealed-crawlspace vapor barrier is put down. Floors return toward residential tolerance. We are honest up front about which damage insurance is likely to cover and which it is not.
Get My Foundation Assessment
Frequently Asked
What every St. Louis homeowner should ask before foundation repair.
How do I know if my foundation is actually failing?
Watch for step-cracking in exterior brick, doors and windows that bind, sloping or bouncy floors, gaps between trim and ceilings, and horizontal cracks in basement walls. These often indicate active movement. A foundation specialist can take elevation measurements across the slab — anything beyond about an inch of differential typically warrants intervention.
What does foundation repair typically cost in St. Louis?
Costs vary by method, severity, and access. Localized crack repair commonly runs $800–$2,500. Push-pier or helical-pier underpinning is typically $1,400–$2,200 per pier, with most homes requiring 6 to 18 piers. A full structural assessment is provided at no cost, and the written scope and price are firm — no escalation mid-project.
Do you handle insurance claims?
Yes. We prepare the documentation insurers require: cause-of-loss letters, elevation reports, and itemized repair scopes. Most carriers exclude soil-movement settlement but cover water-event or plumbing-leak-induced damage. We will tell you honestly which category your situation falls into before you file.
Why is the soil in St. Louis hard on foundations?
Much of the St. Louis metro sits on expansive clay soils that swell when wet and shrink when dry. Combined with the river bottoms, karst topography in some areas, and freeze-thaw cycles, the loading on residential foundations changes seasonally. This is why drainage and grading are as important as the structural repair itself.
How long does a typical repair take?
Most residential pier installations are completed in 2 to 5 working days on-site. The full process — assessment, engineering, permits, install, finish work, and warranty filing — typically spans 4 to 8 weeks. Your home remains occupied throughout; we do not require relocation.