Wet Basement Repair & Waterproofing in Ankeny, IA
Ankeny's explosive 2000s housing growth on 12,000-year-old glacial till creates unique basement water challenges as newer homes experience settlement and hydrostatic pressure increases from Polk County's 36-39 inches of annual rainfall.
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Why do Ankeny's newer poured-concrete basements take on water so soon after they're built?
New homes, first-time water
Almost everything in Ankeny went up after 1990, on former farm ground, with large poured-concrete basements — so plenty of homeowners here meet basement water for the first time in a house that still feels new. The reason is under the slab. Ankeny sits on the flat prairie shelf of the Des Moines Lobe, where the soil is dense, expansive clay over a shallow water table. When a wet Iowa spring saturates that clay it swells and presses laterally against the foundation, and because the ground is flat there's nowhere for the surplus water to drain away. Pressure builds against a wall that's only been in the ground twenty or thirty years.
Where a young poured wall lets go
Poured concrete resists water better than old block or stone, but it isn't sealed against sustained pressure. The cove joint — the seam where the floor slab meets the wall — is the first place water finds, followed by the hairline shrinkage cracks that form as concrete cures. In the newer Prairie Trail district and the subdivisions off Delaware Avenue and Ankeny Boulevard, we see the same pattern every wet spring: a damp cove-joint line or a weeping crack in a basement the owner assumed was too new to have a problem. Slab-on-grade homes feel it too, as swelling clay lifts and stresses the slab.
Getting ahead of the swell
The fix is to relieve the pressure before it reaches your floor. Interior drain tile along the footing intercepts water at the cove joint and routes it to a sump basin with a battery-backed pump sized for the volume Des Moines Lobe clay pushes during a saturated spring. Because these basements are often finished or about to be, doing it right — before drywall traps hidden moisture — saves a costly tear-out later. Every plan starts with a free on-site inspection and honest pricing for your home's size and wall condition; a young poured basement and an older one are not the same job.

Meet the Team Serving Ankeny
JLB is a local crew — not a franchise. We handle basement waterproofing across Ankeny and the Des Moines metro. Watch to see who shows up at your door.
Watch Basement Waterproofing Work in Ankeny
Two Ways to Pay Over Time
12 Months Same As Cash
Pay the full balance within 12 months and you pay no interest.
5 Years at 6.99% APR
A lower monthly payment, spread over 60 months.
On approved credit. Ask for full terms at your free estimate.
Foundation and water problems rarely get cheaper while they wait.
What Basement Water Warning Signs Appear in Ankeny Homes?
The warning signs and what each one means are on our basement waterproofing page.
Water finding its way into your Ankeny basement?
Polk County's clay soil holds water against foundation walls like a sponge. Once hydrostatic pressure exceeds what your walls can handle, the water comes in. Our free estimate identifies exactly where and why — and we'll show you the most cost-effective way to stop it permanently.

Who Handles Basement Waterproofing in Ankeny and Polk County?
Ankeny is a community we know well. Our crews work throughout Polk County, and with around 81000 residents, we've seen the full range of foundation conditions here — from older homes in established neighborhoods to newer builds on the edges of town. Same team from inspection to completion, every time.
Call (515) 717-8560“Every spring when the snow melted, our basement would flood. JLB installed a full interior drainage and sump system. We've been through two Iowa springs since — completely dry. It's like a different house.”
Real Projects. Real Results.
Every photo is from an actual JLB job site — not a stock photo. See the work we do every day across Kansas City and Des Moines.
What Does Basement Waterproofing Cost in Ankeny, IA?
Ankeny's flat terrain means water pools against foundations instead of draining away. Most Polk County homes need an interior drainage system to manage hydrostatic pressure. These are the typical costs for Des Moines metro waterproofing projects.
| Method | Typical Cost Range | Best For |
|---|---|---|
| Interior French drain + sump pump | $2,800–$6,500 | Active water seepage through floor/wall joint |
| Interior wall sealant/coating | $450–$2,200 | Minor dampness, condensation |
| Exterior waterproofing membrane | $7,500–$14,000 | Severe water intrusion, requires excavation |
| Sump pump installation | $900–$2,300 | Homes without existing pump, high water table areas |
| Crack injection (per crack) | $200–$700 | Individual foundation wall cracks |
| Complete interior system (drain + pump + wall treatment) | $3,500–$7,500 | Most common full solution |
| Exterior excavation + drain tile | $9,000–$18,000 | Full-perimeter exterior protection |
Des Moines homes with high water tables (common near the Des Moines and Raccoon rivers) may require higher-capacity sump pump systems, adding $500–$1,500 to interior solutions. JLB provides free estimates — call (515) 717-8560 for an accurate quote.
Two Ways to Pay for It
12 Months Same As Cash
Pay the full balance within 12 months and you pay no interest.
Best if you can pay it off within a year.
5 Years at 6.99% APR
A lower monthly payment, spread over 60 months.
Best for bigger projects.
On approved credit. Ask for full terms at your free estimate.
Foundation and water problems rarely get cheaper while they wait.
Basement Waterproofing Questions for Ankeny Homes
Ankeny's explosive growth since 2000 created neighborhoods like Prairie Trail and Vintage Heights on previously undisturbed glacial till, meaning natural drainage patterns were altered during construction. Unlike established areas with mature drainage systems, your newer Ankeny home faces basement water intrusion as soil settles and compacts around foundations built on 12,000-year-old glacial till. The combination of rapid development and Polk County's 36-39 inches of annual rainfall creates hydrostatic pressure that builds against basement walls as neighborhoods mature. Interior drainage systems in Ankeny must account for ongoing settlement and changing water flow patterns that older, established communities don't experience.
The glacial till beneath Ankeny homes creates unique basement waterproofing challenges because this ancient soil becomes increasingly dense with settlement, changing how water moves around your foundation. Most Ankeny homes being less than 20 years old means you're experiencing basement water issues during the critical 5-10 year settlement period when foundations shift into the glacial soil. Polk County's 42-inch frost depth affects how this glacial till expands and contracts, creating seasonal pressure changes against basement walls in neighborhoods like Delaware Ave and DMACC area. Sump pump systems must handle varying water volumes as the glacial till's drainage characteristics change with ongoing settlement and seasonal freeze-thaw cycles.
Ankeny's position on Polk County's flat glacial plain means water doesn't naturally drain away from foundations like it would in areas with more topographic relief. The ancient glacial till becomes increasingly impermeable as your newer home settles, creating conditions where interior drainage systems must work harder to manage hydrostatic pressure. Unlike cities with varied terrain, Ankeny's flat landscape in areas like Vintage Heights requires drain tile systems designed for minimal grade changes and longer water transport distances to sump pump locations. The combination of flat terrain and settling glacial soil means interior drainage must account for potential grade reversals as foundations continue settling into the dense, 12,000-year-old soil substrate.
Ankeny homes typically need basement waterproofing between 5-10 years after construction when foundation settlement into glacial till creates new water intrusion pathways. Since most homes in neighborhoods like Prairie Trail and Delaware Ave were built after 2000, you're likely experiencing the prime settlement period where basement water issues first appear. Polk County's glacial till continues shifting foundations even decades after construction, so waterproofing basement walls and installing interior drainage should happen before settlement creates major structural concerns. The timing also considers Ankeny's 36-39 inches of annual rainfall and how seasonal water table changes interact with settling foundations on the flat glacial plain terrain.
Sump pump systems in Ankeny must handle unique conditions created by newer homes settling on ancient glacial till in rapidly-developed neighborhoods. Unlike established Polk County areas with mature drainage, developments in Vintage Heights, DMACC area, and Prairie Trail face changing water flow patterns as soil compacts and neighborhood drainage systems adapt. The flat glacial plain terrain means your sump pump works harder to move water away from foundations with minimal natural grade assistance. Additionally, the ongoing settlement common in homes less than 20 years old can affect sump pump pit positioning and discharge line grades, requiring systems designed to accommodate foundation movement while managing hydrostatic pressure from the dense glacial till substrate.
Not Sure What You're Dealing With?
Click any symptom below to learn what it means, what's likely causing it, and how we can help. Most of these are more common — and more fixable — than you'd think.
Diagonal, stair-step, or horizontal cracks in drywall, plaster, or brick usually trace back to soil movement beneath your foundation. The heavy clay soils in the Kansas City and Des Moines metros expand and contract seasonally, which can shift your foundation over time. The good news: this is very fixable with the right approach.
Water entering through floor joints, wall cracks, or seeping through porous concrete means groundwater pressure is pushing moisture into your basement. An interior drainage system and sump pump can solve this permanently — and we can usually have it done in a day or two.
When a foundation settles unevenly, it can shift your home's frame just enough to make doors and windows bind. This is one of the earlier signs of foundation movement — and catching it early often means a simpler, less expensive repair.
That musty smell is moisture. Up to 40% of the air in your home rises from below — from your crawlspace and basement. If there's excess humidity down there, it affects your whole home. Encapsulation seals it out, and you'll notice the difference in your air quality right away.
Floors that slope toward the center or an exterior wall usually mean the support structure underneath needs attention. Push piers can stabilize your foundation and often lift it back to level — giving your floors a second life.
Water collecting near your foundation means your grading or drainage isn't directing water away effectively. French drains, regrading, extended downspouts, and drain pipes can redirect water away from the house — protecting your foundation for the long haul.
A basement wall that has bowed more than 2 inches inward, shifted off its footing, or shows multiple structural cracks may have moved beyond what bracing can fix. When carbon fiber straps, I-beams, or wall anchors are not enough, the wall needs to be removed and rebuilt with reinforced concrete. This is the last resort — but it is the permanent fix when the wall itself is compromised.
Get Your Free Waterproofing Assessment in Ankeny
We'll evaluate your basement's drainage, crack patterns, and moisture levels — all at no cost. If your Ankeny basement is showing signs of water, fill out the form or call us at(515) 717-8560.
Basement Waterproofing in Cities Near Ankeny
Our Locations
We're always close enough to help — our crews are local to your area.
JLB Basement Waterproofing & Foundation Repair — Des Moines
97 Indiana Ave Suite #1Des Moines, IA, 50314(515) 717-8560 View on Google Maps
Stop the Damage. Get Answers Today.
A free estimate takes 45 minutes and tells you exactly what's going on under your house — and exactly what it takes to fix it.