About Us

Jay Waterproof has been repairing water problems in basements since 1965.

We have structural foundation expertise and stand behind the basements we waterproof with an A + rating from the BBB.

This is an industry that sometimes looks for ways to cut corners- but we get it done right, using the best in waterproof systems and foundation crack repair methods.

The only difficulty you could have would be finding another company to do the top-quality job we provide at our price-points.

We can create a dry basement in any home or business, and would like to thank you in advance for considering us.

Our location is 3950 Old State Route 21, St Louis, MO 63052. See map below. 

Jay Waterproof serves the St Louis area anywhere help is needed with basement water problems.  Once we are on the job, you'll be very glad you found this website.

Go here for 3 tips for a basement waterproofing job.


 Call Jay Waterproof Company

at 314 403 7590

for a free waterproofing estimate.


There's nothing like a dry basement to provide extra living space, storage and added value to your home or commercial business.

 Call Jay Waterproof Co. at 314 403 7590  for a free waterproofing estimate. 

Residential and commercial basement waterproofing, sump-pumps, basement crack repair, wet basement problems and more.  


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Below- Don't let the clouds and rain bother you. We can make it sunny-dry inside no matter what the weather.