Foundation Repair in Ames, IA
Many of Ames's older concrete block foundations — from established neighborhoods near Iowa State University to homes across Story County are showing their age — stair-step cracks, bowing walls, and doors that won't close square. The clay soil in Story County makes it worse every season.
Why Do Ames Homes Need Foundation Repair?
Concrete block foundations are common throughout Ames, especially in multi-era neighborhoods along the I-35 and US-30 corridors. The hollow-core design makes these walls vulnerable to lateral soil pressure — when the clay expands during wet seasons, it pushes inward. Over time, horizontal cracks appear, walls bow, and structural integrity diminishes. Steel wall anchors and carbon fiber reinforcement are the standard repairs.
What makes foundation repair in Ames different from other communities is the specific intersection of local housing and local soil. Basements in Ames are subject to high hydrostatic pressure from the river-fed water table. Aging crawlspaces in older neighborhoods often require encapsulation to protect floor joists from rot. Whether your home is along the I-35 and US-30 corridors or in one of Ames's established neighborhoods, our crews engineer solutions that account for the soil conditions specific to this area — not generic fixes from a textbook.
Located at the confluence of the Skunk River and Squaw Creek; prone to soil saturation. This combination of terrain and soil means foundation problems in Ames aren't a matter of "if" but "when" for many homeowners. Catching wall cracks, floor settlement, or door-frame gaps early and addressing them with engineered repairs — push piers, helical piers, or wall stabilization — prevents the kind of cascading structural failure that turns a $5,000 repair into a $25,000 project.
What Warning Signs Appear in Ames Homes?
If you notice any of these in your home, don't wait. Early action saves thousands.
Cracks Spreading Across Walls
Diagonal cracks above doors and windows, stair-stepping in brick — this is your structure pulling apart. In Ames's concrete block homes, stair-step cracks along mortar joints are especially common — a direct result of lateral clay pressure.
Floors Sloping or Uneven
Put a ball on the floor. If it rolls, your foundation is settling unevenly. This gets worse, never better. Sloping floors in Ames homes usually mean the foundation beneath has settled unevenly — a structural issue, not a cosmetic one.
Doors and Windows That Stick
Frames are shifting because the foundation underneath them is moving. It's not the door — it's the house. Ames homeowners often dismiss sticking doors as "the house settling." In Story County's clay soil, it usually means the foundation has moved.
Gaps Between Walls and Ceiling
Visible separations where the walls meet the ceiling or floor. Your home is literally pulling itself apart. Gaps between walls and ceilings in Ames homes indicate active foundation movement — the clay soil in Story County is still pushing.
Exterior Brick Cracking
Stair-step cracks in the mortar joints. Once you can see it from the outside, the problem is serious. In Ames's concrete block homes, stair-step cracks along mortar joints are especially common — a direct result of lateral clay pressure.
One Side of the Home Visibly Lower
If you can see it, the soil has already failed. This is active structural movement that accelerates over time. Ames homes on concrete block basement foundations in Story County are particularly susceptible to this issue.
Noticed cracks in your Ames basement walls?
The concrete block foundations common in Ames develop predictable failure patterns — and early detection makes the difference between a straightforward repair and a major structural project. A free inspection takes about an hour and tells you exactly where you stand.
Four Steps to a Stable Home
No surprises. No upsells. Just a clear path from "something's wrong" to "it's permanently fixed."
Free Inspection
We come to your home, assess the damage, and explain exactly what's happening — in plain English, not contractor jargon.
Custom Repair Plan
An engineered solution designed for your home's soil conditions, damage pattern, and foundation type.
Professional Install
Our crew handles everything. Most repairs completed in 1–3 days with minimal disruption.
Permanent Stability
Your foundation is stabilized for the life of the home. The settlement stops. Done.
Who Handles Foundation Repairs in Ames?
Ames is a community we know well. Our crews work throughout Story County, and with around 70000 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) 444-9234“We noticed the cracks getting worse every spring after the thaw. JLB came out, explained the soil issues specific to our area, and had piers installed in two days. No more movement since.”
Why Do Ames Homeowners Trust JLB?
We earn trust the old-fashioned way: honest inspections, fair pricing, and repairs that last.
Iowa Licensed & Story County Permitted
We're licensed in Iowa and experienced with Story County's building department. From permit applications to final inspections, we handle the paperwork so Ames homeowners can focus on their home, not the process.
Concrete block Specialists
Ames's concrete block foundations require specific repair techniques. Our crews are trained in wall anchors, carbon fiber reinforcement, and pier systems designed for these older foundation types.
Trusted Across Ames
We've repaired foundations throughout Ames's established and growing neighborhoods. With around 70000 residents, word travels fast — and our reputation is built on honest work and fair pricing.
Affordable Solutions
Ames's terrain means some homes face bigger drainage and foundation challenges than others. We offer financing to make sure the cost doesn't prevent you from protecting your home when the soil is working against it.
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.
Foundation Repair in Ames — FAQ
Foundation repair costs in Ames depend on the extent of damage, your foundation type, and the solution required. Most projects on concrete block basement foundations in Story County range from $3,000 to $15,000. We provide a free inspection with a detailed written estimate — no surprises.
Most of Ames's housing stock features concrete block foundations from the Diverse: 1920s university-area homes, mid-century faculty housing, and rapid north-side expansion post-2000. era. The hollow-core design makes these walls vulnerable to lateral pressure from Story County's expansive clay. When the clay swells during wet seasons, it pushes against the blocks — and the mortar joints crack before the blocks themselves. Stair-step cracking is the hallmark pattern.
Yes. Located at the confluence of the Skunk River and Squaw Creek; prone to soil saturation. Homes on slopes face uneven soil pressure — the downhill side of the foundation takes more lateral load, leading to asymmetric cracking and settling. Homes near waterways deal with higher water tables that increase hydrostatic pressure against basement walls. Both conditions accelerate foundation damage in Story County's clay.
Story County requires permits for structural foundation work. JLB handles the entire permit process — from application to final inspection — so you don't have to navigate the building department yourself. We're experienced with Story County's specific requirements and typical inspection timelines.
Absolutely. Ames's older homes — many dating to the Diverse: 1920s university-area homes, mid-century faculty housing, and rapid north-side expansion post-2000. — are worth saving, and modern repair methods can stabilize even severely damaged foundations. Push piers reach load-bearing strata beneath the problem soil, wall anchors counter lateral pressure, and carbon fiber reinforcement prevents further bowing. We've stabilized foundations in Story County that were 80+ years old.
The most common foundation issues we see in Ames are directly related to the local conditions. Basements in Ames are subject to high hydrostatic pressure from the river-fed water table. Aging crawlspaces in older neighborhoods often require encapsulation to protect floor joists from rot. Homeowners typically call us about wall cracks, bowing basement walls, uneven floors, and doors or windows that no longer close properly. All of these trace back to how Story County's soil interacts with the specific foundation types common in this area.
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.
When soil washes out or compacts beneath a concrete slab, the slab drops and becomes uneven. Polyjacking uses expanding polyurethane foam to fill the void and lift the concrete back to grade — usually in under a day, with no heavy equipment needed.
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 Foundation Inspection in Ames
Ames's concrete block foundations need specialized assessment. Fill out the form and our crew will evaluate your walls, footings, and soil conditions — all at no cost. Or call us now at(515) 444-9234.
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JLB Basement Waterproofing & Foundation Repair — Des Moines
97 Indiana Ave Suite #1Des Moines, IA50314(515) 444-9234 View on Google Maps
Stop the Damage. Get Answers Today.
A free inspection takes 45 minutes and tells you exactly what's going on under your house — and exactly what it takes to fix it.