At Cornerstone Structural Repair & Waterproofing, we take pride in the work we do and the relationships we build with our customers. Our team is committed to providing reliable, long-lasting solutions for foundation crack repair, basement waterproofing, egress window installation, and concrete repair and leveling throughout the St. Louis area. Nothing speaks louder than the voices of our customers who have experienced our professionalism, quality workmanship, and dependable service firsthand. We are proud of our many 5 star reviews and the superior service that we bring to every project.
Whether it’s preventing basement flooding, correcting structural issues, or improving the safety and functionality of a property, we stand behind every project with our life-of-structure warranty. Read on to hear what local homeowners and property owners have to say about working with our team. To learn more or request a foundation repair or basement waterproofing quote, contact us online or by phone today.
Real Stories from Actual Cornerstone Customers
Basement Waterproofing Success in Hazelwood, MO
“After the huge flood, we had July 26, 2022. I finally decided I’d had enough with the flooding issue and contracted Cornerstone Structural Repair & Waterproofing to knock out my sliding glass door in my basement and cement the opening to form a solid concrete barrier. I am very satisfied with the end results!! Dale and his workers did a great job, very respectful of the property, very friendly and professional, and cleaned up after the work was completed. It has already come in handy after 27 years of dealing with flooding in my basement and replacing numerous appliances. I can be at peace now not having to worry every time we have a torrential downpour. Kudos to Dale and his team!!!!”
– Steph Miller, Hazelwood, Missouri
Foundation Repair for a Historic Home
“During inspection a crack was discovered in my basement closet. Closer evaluation determined the crack extended into the finished next room and required repair. I found Cornerstone through a Google search and they came out the same day. Originally they were going to complete the job on Sunday only 3 days after my call. Instead they came Saturday and knocked it out no time flat. They were professional, respectful to my property and needs but most importantly they fixed my concerns with minimal damage. I am referring them to others and thank God I found them in time for closing.”
– James “Mann” Edward, St. Louis, Missouri
Egress Window Installation Done Right
“Dale took very good care of us and had fantastic communication. He was very patient with my million questions. While it took forever from when we scheduled the work to when it was started, I knew that from the start and weather didn’t help. Dale and his crew stuck with it and got our egress window installed and structural repair done in a reasonable amount of time. He went through all the right steps to get permits, inspections, engineer designed repairs, and architectural drawings. The work came out great. He got the job done and finished it right for less cost than the competition. Thanks Dale.”
– Matthew Hankins, Edwardsville, Illinois
Concrete Repair without the Hassel
“Working with Dale Blaine on a complicated project involving a 100 year old retaining wall that supported a neighbors garage turned into a great experience! He was able to coordinate with the neighborhood association, structural engineer and the municipality in a timely manner. He provided updates and prompt feedback in what could have been a stressful situation. The scope of the work he was able to do exceeded the capacity of any other competing contractor. Fix it right and fix it the first time with Cornerstone. They are not the cheapest however they are the best. Often when you go with the cheapest fix, it ends up needing to be re-done in the future so you spend more in the long run.”
– Jessica Vargas, Realtor, St. Louis Missouri
Why Customers Choose Cornerstone Structural Repair & Waterproofing
- Experienced, Professional Team: Our team is made up of experienced technicians who are fully trained in the latest basement waterproofing and foundation repair methods. We understand local soil conditions and know how to tailor solutions to the unique challenges homeowners face in the St. Louis region.
- Life-of-Structure Warranty: We stand behind the quality of our work with a life-of-structure warranty, giving our customers confidence and peace of mind. This long-term protection is one of the reasons many customers refer us to friends and family.
- Transparent, Honest Communication: From the first phone call to the final inspection, we communicate clearly and honestly with our clients. We take the time to explain each step of the process and answer every question so that homeowners feel confident and informed.
- High-Quality Materials and Technology: Whether we are installing an egress window, leveling concrete, or waterproofing a basement, we use the highest quality materials and modern technology to ensure durable, lasting results.
More Customer Feedback from Facebook & Google
“Dale and his staff- Rob and Scott, did an excellent job repairing basement cracks for me. They were able to hurry and accommodate the new construction I have going in there. The price was reasonable. Dale and his staff were kind and professional!
Would recommend in a minute!” – Margret Kathleen, Wildwood, Missouri
“Quality work from quality folks. I called on a Friday afternoon to get a quote for poly jacking our sidewalk. They came out on a Saturday morning to take a look and got us on their schedule. Quite happy with how the fix looks as well!” – Garrett Schmidt, Edwardsville, Illinois
“Dale was responsive and moved quickly to meet the deadline we were working from. He was patient and answered so many questions we had, even after the job was done. Highly recommend!” – Shannon Cornine Norman, St. Peters, Missouri
“Highly recommend Dale and his crew! My basement windows have leaked for 30 years. Dale and his crew came in and replaced the old window wells and covers and also installed a sump pump. That pump has been working overtime these last few days. DRY BASEMENT!!” – Debbie K., St. Charles, Missouri
FAQs About Our Foundation Repair & Basement Waterproofing Services and Customer Satisfaction
How do I know your repairs will last?
All of our work is backed by a life-of-structure warranty. We use proven materials and techniques to ensure long-lasting repairs, and we offer annual inspections and service options to keep your systems in good shape.
Are your estimates really free?
Yes. We offer no-obligation, free inspections and estimates for homeowners throughout the St. Louis area. From basement waterproofing to foundation repair, you’ll get an honest assessment of what’s going on and a clear explanation of your repair options.
What makes Cornerstone different from other contractors?
We combine local expertise, long-term warranties, excellent customer service, and competitive pricing. We don’t believe in high-pressure sales tactics. We just focus on solving your problem the right way.
Can I see photos or examples of your past work?
Absolutely. Contact us and we can provide photos of similar projects, or browse our gallery to see real-life examples of waterproofing, foundation repair, and concrete leveling jobs we’ve completed.
Contact Us Today to Learn More
At Cornerstone Structural Repair & Waterproofing, we are proud to serve homeowners across the St. Louis area with dependable, affordable foundation and basement waterproofing solutions. From major repairs to preventative services, our experienced team is here to help you protect your investment and restore peace of mind.
Call us today or contact us online to learn more about our services, request a free inspection, or hear more success stories from local homeowners who chose Cornerstone and never looked back.
