Basement Waterproofing in Missouri

Basement waterproofing contractors stop water from entering below-grade spaces and manage the water that collects around a foundation. They diagnose where moisture comes from and install systems such as interior drainage, sump pumps and exterior membranes.

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Common basement waterproofing services include:

  • Interior perimeter drainage systems
  • Sump pump installation, replacement and battery backups
  • Exterior foundation waterproofing membranes
  • Sealing cracks and wall penetrations
  • Window well and egress window drainage

Call a waterproofing contractor when your basement leaks after rain, you see damp walls, efflorescence or puddles, or your sump pump runs often or has failed. Yard runoff and grading problems are handled by drainage contractors.

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Top Professionals near Missouri

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Atlas Foundation Solutions LLC
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Fenton, MO Basement Waterproofing

Atlas Foundation Solutions LLC is a locally owned waterproofing and foundation-repair contractor serving the St. Louis metro area from Fenton, MO. Atlas Foundation Solutions provides residential and commercial waterproofing, basement and crawl space solutions, foundation crack repair, epoxy injection, drainage systems, mudjacking, foundation piering, and sump pump services, and offers free estimates backed by more than 30 years of experience and an A+ BBB rating; the company focuses on protecting property from water damage through tailored, technically sound repairs and preventative measures.

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Certified Waterproofing Inc.
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St. Louis, MO Basement Waterproofing

Certified Waterproofing Inc. is a St. Louis–based waterproofing, foundation-repair, and tuckpointing contractor serving the region since 1888. Certified Waterproofing Inc. specializes in basement waterproofing, exterior drainage, foundation repair, tuckpointing and historic home masonry work, chimney and home repairs, and glass block window installation, and the company focuses on diagnosing problems accurately and delivering long-term, expert repairs for older and historic St. Louis homes; Certified Waterproofing Inc. maintains an A+ Better Business Bureau rating and operates from 8529 S Broadway in St. Louis with phone support and free consultations.

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Crawlspace Medic of St. Louis
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St. Louis, MO Basement Waterproofing

Crawlspace Medic is a nationwide crawl space and basement waterproofing and repair company that positions itself as "America's Most Trusted Crawl Space Company," offering free inspections and a full range of services including crawl space encapsulation, interior French drains, dehumidifiers, vapor barriers, sump pumps, mold remediation, structural repairs (dry rot, framing, masonry/post pier, termite and water damage), and basement waterproofing systems; Crawlspace Medic supports homeowners with photo inspection reports, financing through Regions (formerly EnerBankUSA), a realtor program, franchise opportunities, and multiple regional locations including St. Louis, MO, while emphasizing home health, honest pricing, and long-term solutions.

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Dry Basement Foundation Repair of Kansas City
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Kansas City, MO Basement Waterproofing

Dry Basement® Foundation Repair is a Kansas City, MO–based company that provides permanent foundation, basement waterproofing, crawl space repair, polyjack concrete leveling, sump pump installation and maintenance, yard and drainage solutions, mold treatment, and home remodeling services through its ROKC Solid Remodeling division. The company uses time-tested techniques and patented materials, offers accessible financing and free estimates, and serves homeowners across Missouri, Kansas, and Iowa with a focus on ensuring a dry, healthy, and structurally secure home and achieving 100% homeowner satisfaction.

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Fred's Foundation Repair and Waterproofing
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St. Louis, MO Basement Waterproofing

Fred's Foundation Repair & Waterproofing is a locally owned, family-run foundation repair and basement waterproofing company serving St. Louis and South County that provides practical, affordable, and problem-specific solutions tailored to the region’s clay-rich soils and seasonal weather. Fred's Foundation Repair & Waterproofing offers free on-site consultations and a full range of services including basement waterproofing, interior drain tile and exterior waterproofing membranes, sump pump and French drain installation, crack repair and injection, crawl space encapsulation, concrete slab leveling, pier installations (helical and push piers), wall stabilization, and concrete underpinning, and the company emphasizes honest assessments, long-term fixes over cosmetic patches, hands-on workmanship, and transparent pricing.

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Grant Renne & Sons Inc
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Kansas City, MO Basement Waterproofing

Grant Renne & Sons Inc. is a fifth-generation, family-owned Kansas City foundation and construction firm serving residential, commercial, and industrial clients since 1873 that offers foundation piering and bracing, mudjacking, waterproofing systems, crack repair, sump pumps, chimney piering, retaining wall repair, tuckpointing, basement wall replacement and exterior drainage solutions. Grant Renne & Sons combines deep local experience—including installing piers beneath the Truman Sports Complex—with hands-on, honest service, free estimates for homeowners, and a long track record of projects across the Kansas City metropolitan area aimed at protecting and stabilizing customers’ properties.

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Helitech Waterproofing & Foundation Repair
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Kansas City, MO Basement Waterproofing

Helitech is a foundation repair and waterproofing company founded in 1987 that heals homes across Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Missouri, Oklahoma, and Tennessee by offering proprietary drainage systems, crawl space encapsulation, wall paneling, sump pumps, dehumidifiers, crack repair, helical piers and wall anchors, concrete leveling, and mold remediation. Helitech combines a network of physical locations, extensive in-house training and continuing education for technicians, financing and free inspection options, and a commitment rooted in faith and family to deliver permanent, engineer-driven solutions with a focus on doing the job right the first time, demonstrated by more than 100,000 homes served, thousands of five-star reviews, and multiple industry awards.

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KC Pier Basement Waterproofing and Foundation Repair
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Kansas City, MO Basement Waterproofing

KC Pier is a locally owned Kansas City foundation repair and basement waterproofing company owned and operated by Eric Scheele that provides full-service foundation and basement solutions—including foundation piering, basement waterproofing, wall crack and bowed wall repair, crawl space repair, sump pump and drainage systems, house leveling, egress windows, radon measurement and mitigation, polyjacking concrete lifting, and monitoring technologies. KC Pier’s mission is to deliver professional, fairly priced, engineered solutions that are done right the first time and backed by transferable lifetime warranties; the company uses its own trained employees (not subcontractors), is fully bonded and insured, and emphasizes customer-focused service from free structural consultations through on-time, in-budget completion.

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KC Waterproofing and Foundation Repair
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North Kansas City, MO Basement Waterproofing

KC Waterproofing and Foundation Repair is a Kansas City–based company serving the metro area since 1985 that specializes in foundation repair, basement waterproofing, crawl space repair, wall anchoring, pier systems, concrete leveling, drainage systems, sump pumps and dehumidification. KC Waterproofing and Foundation Repair offers free estimates, financing options, and guides for homeowners, uses cutting-edge technologies such as wall anchoring and PolyLift concrete leveling, operates multiple local offices (North Kansas City and Grandview), and emphasizes protecting homes and delivering high-quality, customer-focused solutions backed by decades of local experience.

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KC Waterproofing and Foundation Repair
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Grandview, MO Basement Waterproofing

KC Waterproofing and Foundation Repair is a Kansas City–based foundation and waterproofing company serving the metro area since 1985 that protects homes from foundation and water damage using cutting-edge wall anchoring, pier systems, interior and exterior drainage, sump pumps, concrete leveling, crawl space encapsulation and dehumidification, and crack/leak repairs. KC Waterproofing and Foundation Repair combines in-house training and continuing education for field technicians with locally focused experience—having helped thousands of families—to deliver engineer-driven solutions, financing options, free estimates, and on-time service with an emphasis on integrity, long-term results, and customer peace of mind.

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Basement Waterproofing Questions and Answers

What does a basement waterproofing contractor do?

A basement waterproofing contractor finds where water is getting in and installs solutions such as interior drain tile and sump pumps, exterior waterproofing, crack sealing and window well drainage to keep the basement dry.

Why does my basement leak?

Common causes include water pressure in saturated soil, cracks or gaps in foundation walls, leaks where the wall meets the floor, poor grading, overflowing gutters and failing window wells. Identifying the source helps decide between interior and exterior solutions.

How do I choose a waterproofing contractor?

Get more than one opinion, ask each contractor to explain where water is entering and why their solution fits, and compare written warranties. Be cautious of recommendations that ignore simple fixes such as downspout extensions or grading.

What affects the cost of basement waterproofing?

Cost depends on the basement's size and finish, the method used, the length of drainage installed, sump pumps and backups, excavation for exterior work, and access around the house. Finished basements may need walls or flooring removed.

How should I prepare for basement waterproofing work?

Move stored items, furniture and finishes away from the basement walls where crews will work, and expect dust and noise during installation. Ask where discharge lines will run outside and whether an electrical outlet is available for a sump pump.