How much does basement waterproofing cost?

Interior drain-tile with sump installation for a typical residential basement runs $6,000 to $10,000. Exterior waterproofing (excavation, membrane, drain board, footing drain) is $10,000 to $20,000+ for a full perimeter. Crack injection is $400 to $800 per crack. Sump pump replacement is $800 to $1,500. Written estimate after on-site inspection reflects your actual scope.

Does waterproofing work in the winter?

Interior drainage installation can be done year-round. We work inside the heated basement regardless of outside temperature. Exterior excavation is weather-dependent and typically scheduled for the frost-free season (April, November in our region). If you have an active water problem in winter, interior drainage is the right immediate solution.

Will waterproofing affect my home's value?

A documented waterproofing system with a transferable warranty is a net positive for resale. Buyers and their home inspectors read a basement with documented, warranted waterproofing differently than an unaddressed wet basement. We provide written warranty documentation that stays with the home through ownership changes.

Since 1994 · NE · IA · KS · MO

Basement Waterproofing Across Nebraska, Iowa, Kansas & Missouri.

Water in a basement is never a coincidence. It follows a path, and that path has a source. Epp Foundation Repair has been waterproofing basements across Nebraska, Iowa, Kansas, and Missouri since 1994, diagnosing the actual entry point before recommending a system. Hydrostatic pressure, surface drainage, cove leaks, and wall seepage each require a different fix. We identify which one before recommending anything.

Let's take the first step toward a healthy home.

A local specialist will inspect your foundation, walk you through the findings, and send a clear estimate. no cost, no pressure.

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What We Repair

8 basement waterproofing specializations under one roof.

Basement Waterproofing problems rarely come from one cause. We specialize across the full range of basement waterproofing methods so the solution matches the cause. Not the easiest sale.

Interior Basement Waterproofing

Interior basement waterproofing manages water that has already reached your foundation. Perimeter drain tile, sump pump, and wall vapor barrier capture and discharge hydrostatic seepage rather than excavating outside. Epp Foundation Repair installs full-perimeter interior systems across NE, IA, KS, and MO when exterior excavation is impractical or unnecessary.

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Exterior Basement Waterproofing

Exterior basement waterproofing excavates the foundation perimeter, applies an elastomeric membrane to the wall face, and installs drain tile in proper drainage stone. The only method that prevents water from reaching the wall at all. Epp Foundation Repair performs full-perimeter exterior waterproofing across NE, IA, KS, and MO on severe seepage cases and basement-finish projects where dry walls are non-negotiable.

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Exterior French Drain Installation

Exterior French drain installation intercepts groundwater and surface runoff in the yard before it reaches the foundation. 4-inch perforated pipe set in washed gravel, sloped to daylight or a discharge point, wrapped in filter fabric to prevent soil clogging. Epp Foundation Repair installs yard-level French drains across NE, IA, KS, and MO on lots where downspout runoff, neighbor-property drainage, or chronic wet zones are loading water against the foundation.

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Sump Pump Installation

Sump pump installation captures basement water in a sealed pit, lifts it through a check-valve discharge line, and moves it at least 10 feet from the foundation. The active end of every interior basement waterproofing system. Epp Foundation Repair installs new pits and pumps and replaces failed pumps in existing basins across NE, IA, KS, and MO, with 1/3 hp cast-iron submersible primaries and discharge configured to local code.

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Backup Sump Pump Installation

Backup sump pump installation puts a second pump in the basin that runs when the primary fails. Battery-backup is standard across the territory, water-powered is occasionally appropriate where municipal water pressure and code permit. Epp Foundation Repair installs and tests backup systems across NE, IA, KS, and MO because spring storms in this region routinely produce heavy rain and power outages in the same event, exactly when the primary pump is most needed.

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Yard Drainage Solutions

Foundation-protective yard drainage from Epp Foundation Repair. Catch basins, buried discharge pipe, exterior french drains, and downspout extensions installed on a line that follows where water actually moves during a rain event, not where it looks tidy on a drawing. Serving NE, IA, KS, and MO since 1994. Diagnosis first, scope second.

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Basement Wall Vapor Barrier Installation

Mechanically fastened 8-mil and 12-mil polyethylene wall vapor barriers from Epp Foundation Repair. Installed as the final component of an interior basement waterproofing system, directing minor wall seepage downward into the drain channel and out through the sump. Serving NE, IA, KS, and MO since 1994. Not installed in isolation when walls are actively wet. That's a mold trap.

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Basement Crack Repair

Targeted basement wall crack repair from Epp Foundation Repair. Diagnosis with a 30 to 90 day crack monitor, sequential polyurethane-then-epoxy injection on stable leaking cracks, and carbon fiber reinforcement on active block walls. Serving NE, IA, KS, and MO since 1994. The right repair when the leak is isolated to a crack or two; the wrong repair when the wall has systemic seepage.

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Unsure What You're Dealing With?

Not sure which basement waterproofing problem you're facing?

Pick the symptom that best fits. We'll tell you what it likely means and where to go next.

Home Problem Finder

What's happening to your home?

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Where are you noticing the problem?

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Problem Signs

What basement waterproofing problems actually look like.

Most basement waterproofing problems start as small symptoms. Catching them early is the difference between a small, planned fix and a major reconstruction. These are the warning signs we see most often.

Basement Flooding

Epp Foundation Repair has responded to more than 9,000 basement flooding calls across the Lincoln, Omaha, Sarpy County, Pottawattamie County, Norfolk, Grand Island, and St. Joseph corridors since 1994. Active water on a basement floor is almost never a single-cause event. Dave Epp finds two or three contributing failures stacked on top of each other in roughly 4 out of 5 inspections. The hydrostatic load from a saturated yard combines with a 14-year-old sump pump that lost 40 percent of its capacity, a downspout dumping 8 feet from the wall, and an unsealed cove joint at the wall-floor seam. Treating one without the others gets the homeowner a dry month, then another flood. Epp diagnoses the full chain, fixes the foundation scope, and tells the homeowner plainly which work belongs to a plumber, a water restoration crew, or a mold remediator.

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Condensation On Windows

Epp Foundation Repair gets called on window condensation roughly 300 times a year across the four-state territory, and Dave Epp's diagnostic rule on the truck is simple: measure the basement relative humidity first, the windows second. Indoor air at 70 degrees and 35 percent relative humidity has a dew point near 40 degrees, and any window glass colder than 40 degrees during a Nebraska or Iowa winter cold snap will form condensation regardless of what is happening in the basement. That kind of condensation is cosmetic. But on roughly 2 out of 5 inspections Epp finds basement relative humidity above 60 percent. High enough that moisture is rising through the house and the upper-floor windows are the visible end of a basement waterproofing problem. The diagnostic costs nothing and tells the homeowner which trade they actually need.

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Efflorescence

Epp Foundation Repair walks into a basement and looks at efflorescence the way a doctor looks at a rash. The stain itself is harmless, but it is telling you where the disease is. Efflorescence forms when water moving through concrete or masonry dissolves calcium hydroxide and other minerals, then deposits them as a white chalky film when the water evaporates at the wall surface. The mineral deposit is cosmetic and washes off with a mild acid solution. The water passage that left it behind is structural, and across the four-state territory it almost always traces back to one of three sources: hydrostatic load from saturated loess or clay backfill, surface water dumping from a downspout or reverse grade, or interior humidity condensing on a cold wall face. Dave Epp's first question on any efflorescence inspection is which season the stain appeared in, because the season tells him which water mechanism to look for.

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Mold Growth

Epp Foundation Repair handles mold calls roughly 200 times a year across the four-state territory, and Dave Epp's first conversation with every homeowner clarifies the scope boundary: Epp does the water source, a certified mold remediation contractor does the mold removal. Mold germinates on any organic surface in basements held above 60 percent relative humidity for 24 to 48 hours, and across eastern Nebraska and western Iowa the natural pattern of loess and glacial-till soils delivering hydrostatic load against basement walls keeps a substantial fraction of unsealed basements above that threshold for weeks at a stretch during spring and early summer. Removing the visible mold without stopping the moisture source is a 6-month delay, not a fix. The mold returns to the same wall, behind the same vapor barrier, on the same drywall. Epp stops the water first, verifies the wall stays dry for 30 to 60 days, then steps aside for the remediator. Sequence matters; it is the difference between a $5,000 dry basement and a $15,000 problem that comes back.

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Peeling Paint And Hairline Cracks

Epp Foundation Repair treats peeling basement paint as a diagnostic signal, not a finish problem. When paint blisters, flakes, or releases in sheets on a below-grade wall, the cause is almost always water moving through the concrete or CMU from the outside, hitting the back of the paint film, and breaking the bond between paint and substrate. The paint itself did not fail. It was pushed off. Across the four-state territory, the underlying water source is one of four mechanisms: hydrostatic load from saturated loess and clay backfill, a hairline crack delivering water behind an otherwise intact paint film, a wall that was painted directly over unsealed masonry decades ago, or surface water from a downspout saturating the wall from above. Dave Epp's first move on every peeling-paint inspection is to scrape a test patch and feel the wall behind it. If the concrete is cool and damp, the cause is water, and repainting without addressing the source guarantees the new coat will peel within 12 to 24 months.

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Water At The Cove Joint

Epp Foundation Repair sees water at the cove joint. The right-angle seam where the basement slab meets the foundation wall. As the single most common point of basement water intrusion across the four-state territory. The mechanism is hydrostatic: groundwater under the slab builds pressure during a wet spring, finds the weakest seal in the basement envelope, and pushes up through the cove. The water emerges as a wet line, a damp ring, or in severe events a small stream running along the floor at the wall base. Across eastern Nebraska and western Iowa, the pattern is concentrated in homes built between 1955 and 1985. An era when the standard practice was to pour the slab against the wall without installing perimeter drain tile, leaving the cove as the only relief point for any subslab water that accumulates. Dave Epp's first question on a cove-leak inspection is which weeks of the year the water shows. The answer almost always lines up with March through May snowmelt and storm activity, confirming the hydrostatic mechanism before any work is scoped.

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Wet Basement Walls

Epp Foundation Repair treats a wet basement wall as a diagnostic question before a repair quote. Damp, wet, or water-stained walls can have two completely different causes. Water passing through from the outside (intrusion) or water condensing on the cool wall face from humid interior air (condensation), and the fix for one is wrong for the other. Across the four-state territory the diagnostic split runs roughly 70 percent intrusion and 30 percent condensation, with seasonal mix: spring leaks are almost always intrusion driven by hydrostatic load from saturated loess and clay backfill, while late-summer dampness in finished basements is often condensation from a humid air mass meeting a 55 to 60 degree wall. Dave Epp's first move on every wet-wall inspection is to run a pin-type moisture meter at multiple heights and locations on the wall, repeat the reading two to four weeks later if the cause is ambiguous, and only then scope a repair. Selling waterproofing to a homeowner whose problem is actually condensation is the kind of work that costs Epp the BBB Integrity Award. So Epp does not do it.

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Wet Drywall in Finished Basements

Basement drywall turns wet when moisture reaches it faster than the room can dry it out. Epp Foundation Repair sees three common paths in Nebraska, Iowa, Kansas, and Missouri homes: liquid water seeping through a foundation crack or the wall-floor joint behind the framing, vapor wicking up through a porous concrete wall, and condensation forming when humid summer air meets a cool below-grade surface. After spring rain or snowmelt, saturated clay and loess soils press groundwater against the foundation, and hydrostatic pressure finds the smallest opening. Once paper-faced drywall absorbs that moisture, it loses strength within hours and becomes a food source for mold within 24 to 48 hours. The threshold that matters: surface dampness on the paint may dry out, but if the gypsum core or the back paper is wet, the panel is compromised and will keep feeding mold behind the finish. Catching it while it is one stained panel, instead of a full wall of warped board and hidden growth, is the difference between a small drying-and-source repair and tearing out an entire finished room.

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Recent Projects

Recent basement waterproofing jobs from the field.

A selection of recent basement waterproofing projects completed across Nebraska, Iowa, Kansas, and Missouri. Every project shown was completed by Epp crews.

basement waterproofing

Basement Waterproofing in Omaha, Nebraska

Omaha, Nebraska

The residential foundation in this Omaha property faced the typical challenges of expansive clay soils common to the region, which shift with seasonal moisture changes and stress foundations lacking adequate deep support. The BEFORE photos showed a backyard with wet, stained concrete surfaces and no visible drainage infrastructure, indicating moisture was accumulating around the perimeter and compromising the structure's stability. Epp Foundation Repair installed interior drainage along the foundation perimeter to redirect water away from the structure, performed void fill work to address soil settlement, and completed new concrete flatwork to restore the patio surface with proper grading. The AFTER photos document uniform tile paver installation with sealed joints and appropriate landscaping grading to shed water away from the home. The entire project was thoroughly documented across 4 site visits with 51 on-site photos capturing the progression from assessment through completion.

Completed May 2026

basement waterproofing

Basement Waterproofing in Omaha, Nebraska

Omaha, Nebraska

The foundation at this Omaha property showed classic signs of stress from the region's expansive clay soils, with visible settlement damage, exposed soil erosion, and a damp basement crawlspace where moisture accumulation posed ongoing risk. The existing concrete block foundation walls and aged utility infrastructure indicated the home needed comprehensive water management and structural support to prevent further deterioration. Epp Foundation Repair installed interior drainage and a sump pump system to control groundwater and protect the foundation from seasonal soil movement. The crew prepared foundation walls for waterproofing, routed drainage piping along the perimeter, and positioned the sump pump with float switch activation to manage water intrusion. The completed system, documented across 47 on-site photos during 2 site visits by 3 crew members, provides the homeowner with reliable moisture control and structural stability in a region where foundation care requires proven, thorough methods.

Completed May 2026

basement waterproofing

Basement Waterproofing in Crete, NE

Crete, NE

The foundation at this Crete home showed signs of settlement and moisture intrusion typical of Nebraska's expansive clay soils. The BEFORE inspection revealed efflorescence and water staining on the concrete walls, gaps at the garage threshold where the foundation had shifted, and visible differential grading around the perimeter, all indicating the foundation was moving as the clay beneath expanded and contracted with seasonal moisture changes. Epp Foundation Repair addressed the drainage and concrete issues with interior drainage work and installation of new concrete flatwork featuring proper control joints and grading. The completed work included a fresh concrete pad installed alongside the brick foundation with appropriate landscape edging and drainage provisions to manage water away from the structure. The full scope of work was documented across 20 on-site photos during 2 site visits, ensuring thorough assessment and completion of all necessary repairs.

Completed May 2026

basement waterproofing

Basement Waterproofing in Omaha, Nebraska

Omaha, Nebraska

The basement walls of this Omaha home showed visible water damage and staining, signs of moisture intrusion common in this region where expansive clay soils shift with seasonal changes and stress foundations lacking adequate drainage support. The existing sump pump basin indicated previous water issues, and the foundation required a comprehensive approach to manage groundwater and protect the structure from further damage. Epp Foundation Repair installed interior drainage and a sump pump system to redirect water away from the foundation and basement areas, then completed the project with concrete flatwork and stone veneer skirting around the exterior perimeter to seal and protect the base. The finished result shows a dry basement interior and a properly sealed foundation exterior with durable stone veneer. The job was fully documented across 4 site visits with 74 on-site photos and a crew of 4 members, ensuring thorough coverage of all work performed.

Completed May 2026

basement waterproofing

Basement Waterproofing in Bennington, NE

Bennington, NE

The basement at this Bennington property showed signs of moisture intrusion and drainage issues typical of Nebraska's expansive clay soils. The foundation walls and crawlspace required comprehensive waterproofing and moisture management to prevent ongoing water infiltration and structural stress from seasonal soil movement. Epp Foundation Repair installed crawlspace encapsulation with a vapor barrier system, interior drainage with white PVC piping along the foundation perimeter, and a sump pump system with check valve to manage collected water. The completed installation included finished landscaping with river rock and decorative edging around the sump pump basin and drainage discharge line. The project was fully documented across 47 on-site photos during 2 site visits by 2 crew members, meeting Epp's standard for regional foundation repair work.

Completed May 2026

basement waterproofing

Basement Waterproofing in Fremont, NE

Fremont, NE

The foundation at this Fremont property showed deteriorated masonry on the right side and concrete flatwork that required attention, typical wear patterns in Nebraska's expansive clay soil environment where seasonal moisture shifts stress foundation structures. The basement egress window opening needed proper installation and sealing to prevent water infiltration and meet current safety standards. Epp Foundation Repair completed joint sealant work throughout the foundation area, installed a new egress window with proper framing, and poured new concrete flatwork along the driveway and garage transition. The finished result shows a clean, sealed foundation perimeter with functional egress access and durable new concrete surfaces ready for years of service. All work was documented across 19 on-site photos to provide the homeowner with a complete record of the repairs performed.

Completed April 2026

See the work behind a healthy home.

Explore detailed case studies of recent foundation, waterproofing, and concrete projects across Nebraska, Iowa, Kansas, and Missouri.

View All Projects

Why Choose Epp

Care and expertise from a team that's been doing this since 1994.

Epp Foundation Repair is locally owned and operated, with crews dedicated exclusively to foundation, basement, and concrete work across the Midwest.

Specialized expertise.

Foundation repair, waterproofing, and concrete leveling are our entire focus. not a sideline.

Locally owned since 1994.

Three decades of experience with Midwest soils, basements, and weather conditions.

BBB Integrity Award winner.

Recognized in 2011 and 2016 for ethical business practices and customer transparency.

Warrantied solutions.

Most product solutions carry 10 to 25-year warranties backed by the original installer.

EPP · SINCE 1994

Why hire Epp Foundation Repair.

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Frequently Asked Questions

Answers to common questions about basement waterproofing.

Don't see your question here? Our team is happy to help. Reach out anytime.

Exterior waterproofing installs a membrane on the outside of the foundation wall, paired with drain board and a footing drain, to stop water before it contacts the wall. Interior waterproofing installs a drain channel and sump system inside the basement to capture water that has entered or is entering at the cove joint, then routes it out before it can flood the floor. Exterior is more comprehensive and more expensive; interior is faster, less disruptive, and appropriate for most residential situations where the source is hydrostatic pressure rather than active wall failure.

A French drain is a perforated pipe buried in gravel, sloped to daylight or a sump, that intercepts groundwater before it builds up against the foundation. An exterior French drain at the footing is the backbone of most exterior waterproofing systems. An interior French drain (drain-tile) does the same thing inside the basement, below the slab at the cove joint, and routes water to an interior sump.

Pricing ranges above are general estimates only and are not project quotes. A precise figure is provided on each written estimate after on-site inspection.

Service Areas

Serving Nebraska, Iowa, Kansas & Missouri.

Local crews based in six regional offices, dispatched daily across four states. If your town isn't listed, call us. we likely serve your area.

Top cities we serve

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Our Process

Take the first step toward a healthy home.

A straightforward path from initial inspection to completed repairs.

Step 01

Schedule your inspection.

A local specialist visits your home, evaluates the foundation, and answers your questions on site. No cost, no obligation.

Step 02

Receive an estimate based on your needs.

We provide a clear, written estimate with a scope of work tailored to your home's specific issues. Typically within one business day.

Step 03

Get your repairs.

Our certified crews complete the work on schedule and back it with product warranties of up to 25 years.

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Customer Reviews

Over 1,750 homeowners have shared their experience.

A 4.9-star average across Google, with verified reviews from homeowners throughout Nebraska, Iowa, Kansas, and Missouri.

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Free Estimate

Two ways to start: book instantly, or request an estimate.

Schedule your inspection in seconds with our Driive booking tool, or share a few details and a local specialist will follow up within one business day.

What to expect

A local foundation specialist on site
A complete walk-through of the findings
A written estimate within one business day
No cost, no obligation, no high-pressure sales

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402-423-9192

Nebraska · Iowa · Kansas · MissouriSince 1994

Let's take the first step toward a healthy home.

A local specialist will inspect your foundation, walk you through the findings, and send a clear estimate. no cost, no pressure.

Book instantly with Driive

BBB Accredited

Fully Insured

"By Your Side" Guarantee

From the Blog

Expert guidance on protecting your home.

Practical articles from the Epp team on foundation health, waterproofing, and home preservation.

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foundation-repairFeatured

foundation-repair

Why foundation problems are common in Des Moines homes.

Iowa's expansive clay soils and freeze-thaw cycles are particularly hard on residential foundations. A practical guide to what's happening below grade and why local…

Dave Epp·Feb 18, 2026