Cornerstone Structural Repair & Waterproofing

Cornerstone Structural Repair & Waterproofing Cornerstone is your place to turn for foundation repair and basement waterproofing services in St. Louis, MO Whether your St. Louis, contact us today.
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Cornerstone Structural Repair and Waterproofing has been serving the St. Louis Area with over 70 years of experience in foundation repair and basement waterproofing . We understand that your home is your biggest investment, and foundation failure or basement leaks can be a major threat to your property. Our employees have the skills, equipment, and knowledge needed to handle all types of foundatio

n issues giving you peace of mind for years to come. Louis home has a cracked foundation, leaking basement, or other structural problems, our foundation repair experts can provide the solutions you need. From lasting basement waterproofing solutions to foundation crack repair, we can provide expert solutions to all of your problems. Our comprehensive foundation repair and waterproofing services include:
Basement Waterproofing
Foundation Crack Repair
Foundation Piering
Structural Repairs
Concrete Repair & Replacement
Basement Repair
Basement Finishing & Remodeling

So if you are looking for waterproofing and foundation repair services in St.

Turning an egress window into a walkout basement.I LOVE THIS TRANSFORMATION!!!Walls will poured next week!Fix It Right T...
06/05/2026

Turning an egress window into a walkout basement.
I LOVE THIS TRANSFORMATION!!!
Walls will poured next week!
Fix It Right The First Time!!!
Call Us Today!
314-262-6277

05/05/2026

Installing Grip-Tite Push Piers In Tower Grove Today. The Rain Didn't Even Phase Them Today!
Fix It Right The First Time!
314-262-6277

SOTAC PLUMBING is our go to on every project.
04/24/2026

SOTAC PLUMBING is our go to on every project.

S2 - SOTAC Plumbing Services - Your Little Castle Show on ABC With Host Cardinal Cowboy

Promotional Key Chains Have Arrived!Fix It Right The First Time!314-262-6277
04/12/2026

Promotional Key Chains Have Arrived!
Fix It Right The First Time!
314-262-6277

Structural Bracing Project In DeSoto MO This one was a challenge due to the public & private utilities in close proximit...
04/12/2026

Structural Bracing Project In DeSoto MO
This one was a challenge due to the public & private utilities in close proximity of our excavation.
We dug "potholes" to expose the live electric lines to make sure we didn't run a tie rod through one of them. SAFETY FIRST!
FIX IT RIGHT THE FIRST TIME!
Call Us Today To Get On Our Schedule.
314-262-6277

We inspected this new foundation for a client this morning. The pictures speak for themselves. I've seen some bad pours,...
04/11/2026

We inspected this new foundation for a client this morning. The pictures speak for themselves.
I've seen some bad pours, but this one is the worst I've ever seen. I recommend starting over with a different contractor.

Major structural restoration on a 100 year old foundation wall in Richmond Heights. Interior & exterior drainage systems...
02/17/2026

Major structural restoration on a 100 year old foundation wall in Richmond Heights. Interior & exterior drainage systems, structural soldier beams, non-shrinking grout & Tremco GC 250 rubber coating. This one will last another 100 years!
Fix It Right The First!
314-262-6277

Here's a project we just completed for ANH Construction. This one had it all!Underpinning, Waterproofing, Create opening...
02/14/2026

Here's a project we just completed for ANH Construction.
This one had it all!
Underpinning, Waterproofing, Create openings in a full masonry structure (4) total, & Carbon Fiber Structural Strengthening.
This one was FUN & CHALLENGING!
FIX IT RIGHT THE FIRST TIME!
314-262-6277

The Only Driveway We Plow Is Our Own. That baby Is clean!
01/26/2026

The Only Driveway We Plow Is Our Own. That baby Is clean!

Wet Basement?No Worries!Fix It Right The First Time!
01/26/2026

Wet Basement?
No Worries!
Fix It Right The First Time!

Address

4510 S Broadway
St. Louis, MO
63111

Telephone

+13142626277

Website

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