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Best basement waterproofing pros near Union, MO

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    Verified basement waterproofing services reviews

Top-Rated Basement waterproofing pros in Union - Updated Nov 2026

Avatar for Foundation Recovery Systems
Foundation Recovery Systems
4.3(
314
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Union, MO and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1992

Free estimates

Warranties offered

"Brian did an excellent inspection over the entire house. Explained everything in detail of what the cause was of the leaky basement and recomended solutions. He was very professional and took his time explaining and answering my questions. Donovan, Josh and Xander performed an excellent job of waterproofing the basement. Made sure evrything was covered . Great clean up too ! I highly recomend Foundation Recovery Systems ! Thank you !"
Protect Your Basement Before & After
Correct Your Wet Basement
Protect Your Basement
Waterproof Your Basement
Protect Your Concrete Before & After

+16

451 neighbors recently requested a quote
Recommended by90%of homeowners
Musick House Leveling, LLC
4.9(
29
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Union, MO and surrounding areas

Approved

In business since 1987

Free estimates

Credit card accepted

Eric Musick is the 3rd generation son to follow in the long standing family business. We have been taking care of the residential and commercial market for customers needing to relocate buildings all over Illinois and Missouri. We are based out of the St. Louis area but we serve the entire states of Illinois and Missouri. Besides the 25 years Eric has in the industry, we have a team of well trained and very competent individuals who know how the process works in detail.

Response time1 day
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for AccuLevel, Inc. - Belleville
AccuLevel, Inc. - Belleville
3.9(
215
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Union, MO and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"This is a great company to use in making a 141 year old basement waterproof. I look foreward to having a waterproo basemant. Craig was pleasant and went the extra mile to make the experience great."
Wall Anchors
Exterior Foundation Repair
Bowed Wall Foundation Repair AFTER
Horizontal Wall Crack BEFORE
Exterior Wall Anchors

+31

Response time4 days
61 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Woods Basement Systems, Inc.
Woods Basement Systems, Inc.
4.5(
6
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Union, MO and surrounding areas

Approved

In business since 1986

Free estimates

Warranties offered

We are a locally owned and family operated company that ensures each homeowner has a remarkable experience with their home improvement project. Our services are customized to the individual project, paying close attention to the details of each project that we're trusted to complete. We pride ourselves on having the best people and best products in our industry. Because of the quality of our work as well as our commitment to outstanding results we are the highest rated most reviewed "ALL THNNGS BASEMENTY!" contractor. We look forward to building lasting relationships and sustaining the peace of mind homeowners desire that restores the value of their homes.\nFully & Insured!\nTo speak with our appointment center specialists call (314) 965 - 1980 or\n(618) 344- 2288, thank you for considering Woods.

Corner From Sump
Before Photo
Dual Pump Station
Large Basement
Work Around

+20

144 neighbors recently requested a quote
Avatar for Mr. Rooter Plumbing of St. Charles
Mr. Rooter Plumbing of St. Charles
4.9(
7
)
Basement Drainage Channels - Install

Serving Union, MO and surrounding areas

Approved

In business since 2001

Emergency services offered

Warranties offered

At Mr. Rooter® Plumbing every customer’s individual needs are important. Whether it’s a simple sink clog or a damaged sewer line, you can count on a Mr. Rooter plumber to take care of your plumbing needs – day or night – with never an overtime charge. Our professional service, quality products and honest, up-front pricing make Mr. Rooter the best value in plumbing services nationwide. Mr. Rooter is ready for all emergency plumbing issues, from clogged drains and sewage backups to frozen pipes and leaking water heaters. You can count on an expert diagnosis from Mr. Rooter with our camera inspection tools. Then we’ll fix it right the first time, whether it takes HydroScrub® drain cleaning or trenchless pipe repair, with courteous smiles on our faces. There's a reason they call us Mr.® Call your local Mr. Rooter today.

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

1 neighbors recently requested a quote
Recommended by83%of homeowners
RIDGE CONSTRUCTION, LLC
New to Angi
Basement Drainage Channels - Install

Serving Union, MO and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Response time50 mins
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Basement Waterproofing FAQs, answered by experts

The primary downside to crawl space encapsulation is the high cost, which can be several thousand dollars. Additionally, the process can make future repairs more complicated by limiting access to plumbing and electrical wiring within the crawl space. Encapsulation also requires sealing off any vents, which can be a disadvantage for home designs that benefit from the airflow they provide. It's recommended to consult with a crawl space contractor to determine if the benefits outweigh these potential drawbacks for your specific home.

Preventing water accumulation involves regular inspections, maintaining effective drainage systems, ensuring proper roof maintenance, and taking preventive measures against heavy rainfall or floods.

Thankfully, you do have a few sump pump backup options in case it fails. One option is a battery-powered backup sump pump. Another option is using a portable backup generator as a power supply for your sump pump. Unlike a battery-powered backup which has limited power, a generator can run around the clock for as long as you need it. 

Or you can opt for a water-powered backup pump, which uses your home’s water supply as a source of power. However, this may not be the best option if you find your house frequently has low water pressure.

Yes, water and water vapor can seep through cracks in your basement floor, which means you should address all basement floor cracks, even if they don’t indicate structural issues. Sealing settling cracks and shrinkage cracks is a good idea to keep water and moisture outside where it belongs. Doing so can improve your indoor air quality, reduce the risk of mold growth, make your home more comfortable, and help prevent pest infestation.

Physically, the most challenging part of finishing a basement is installing egress windows or doors when the space is below ground level. Mentally, the hardest part may be envisioning the project and planning around load-bearing and mechanical obstacles.

The Union, MO homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.