Central Iowa’s Basement & Foundation Experts
BAM Basements & Masons serves homeowners across Polk County and surrounding communities — from Des Moines to Ames, Ankeny to Indianola. One call covers your entire area.
5.0 Stars | 265 Google Reviews
Iowa Owned & Operated
Lifetime Warranty Available
Serving Iowa since 2012
Why Central Iowa Trusts BAM
Iowa’s clay-heavy soils, hard freeze-thaw cycles, and spring flooding create some of the most demanding conditions for basements and foundations in the country. BAM was built here, for here — and our team understands exactly what your home is up against.
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Iowa Clay Soils
Expansive clay soils shift with every wet-dry cycle, putting constant lateral pressure on basement walls and footings.
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Freeze-Thaw Cycles
Central Iowa averages 30+ freeze-thaw cycles per year — each one widens cracks and pushes foundations further out of alignment.
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Spring Flooding
Iowa’s spring thaw saturates the ground fast. Without proper drainage, hydrostatic pressure forces water through every crack and joint.
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Aging Housing Stock
Many Central Iowa homes were built in the 1950s–1980s with block foundations that were never designed for modern drainage demands.
Cities We Serve
Click your city to see local service information, reviews from your neighbors, and get a free estimate specific to your area.
Polk County & Core Metro
Adel
BAM Basements serves Adel, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Altoona
Located in the Walnut Creek watershed, Altoona homes face elevated groundwater risk during wet seasons.
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Ames
Home of Iowa State University. High density of older rental properties and student housing with deferred maintenance on waterproofing systems.
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Ankeny
One of Iowa’s fastest-growing cities. New construction and older homes alike face drainage challenges from Ankeny’s expanding development.
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Atlantic
BAM Basements serves Atlantic, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Bloomfield
BAM Basements serves Bloomfield, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Bondurant
Fast-growing community east of Des Moines. New subdivisions on former farmland often experience first-generation drainage issues.
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Boone
Des Moines River valley location means elevated flood risk. Many Boone homes have experienced repeated water intrusion events.
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Carroll
BAM Basements serves Carroll, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Cedar Falls
Cedar River floodplain proximity and a large stock of older homes make Cedar Falls a high-demand area for waterproofing and foundation services.
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Centerville
BAM Basements serves Centerville, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Clarion
BAM Basements serves Clarion, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Clive
Dense residential neighborhoods with high impervious surface coverage — water has nowhere to go but toward your foundation.
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Creston
Southwest Iowa community with a high proportion of older block-wall basements that benefit from modern interior drainage systems.
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Des Moines
Iowa’s capital city. Older block foundations, high water tables near the river, and heavy clay soils make waterproofing critical.
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Fort Dodge
BAM Basements serves Fort Dodge, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Granger
BAM Basements serves Granger, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Grimes
Growing suburb with a mix of new construction and older ranch-style homes, many with original block foundations approaching 40+ years.
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Grinnell
BAM Basements serves Grinnell, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Harlan
BAM Basements serves Harlan, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Huxley
Growing Story County community. New subdivisions and older farmsteads both present unique foundation challenges in Iowa’s prairie soils.
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Indianola
Warren County seat with a large stock of mid-century homes. Many have original poured concrete walls showing age-related cracking.
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Iowa Falls
Iowa River corridor community. Seasonal flooding and high water tables are persistent concerns for homeowners throughout the area.
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Johnston
Rapid growth means many Johnston homes sit on disturbed fill soils that settle unevenly, stressing foundations and slabs.
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Knoxville
BAM Basements serves Knoxville, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Lamoni
BAM Basements serves Lamoni, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Lineville
BAM Basements serves Lineville, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Madrid
BAM Basements serves Madrid, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Marshalltown
Marshall County seat with significant older housing stock. Post-tornado rebuilding has created new demand for foundation assessment services.
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Newton
Jasper County seat with a proud industrial history. Older neighborhoods feature block foundations that benefit from modern waterproofing upgrades.
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Norwalk
Rolling terrain south of Des Moines. Homes on slopes often experience water intrusion through the uphill foundation wall.
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Ogden
BAM Basements serves Ogden, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Osceola
BAM Basements serves Osceola, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Ottumwa
BAM Basements serves Ottumwa, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Panora
BAM Basements serves Panora, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Pella
BAM Basements serves Pella, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Perry
BAM Basements serves Perry, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Pleasant Hill
Hillside terrain creates natural water runoff toward lower-lying homes — a common source of lateral wall pressure and seepage.
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Polk City
Proximity to Saylorville Lake means elevated seasonal water tables that challenge even well-built foundations.
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Urbandale
Mix of 1970s–80s homes and newer builds. Older drain tile systems frequently fail, leading to chronic wet basements.
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Waukee
Iowa’s fastest-growing city. Rapid development on former farmland creates unique soil compaction and drainage challenges.
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West Des Moines
Established neighborhoods with mature trees whose roots can compromise drain tile and foundation integrity over time.
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Williamsburg
BAM Basements serves Williamsburg, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Windsor Heights
BAM Basements serves Windsor Heights, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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Winterset
BAM Basements serves Winterset, Iowa with expert basement waterproofing, foundation repair, egress windows, and crawl space services.
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What BAM Does in Every City We Serve
Every service we offer is available throughout our entire service area. No matter which community you’re in, you get the same BAM team, the same standards, and the same warranty.
Basement Waterproofing
Interior drain tile, wall membranes, crack injection, and sump systems engineered for Iowa’s specific soil and water conditions.
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Foundation Repair
Wall anchors, carbon fiber straps, poly piers, and helical piers to stop bowing walls and reverse foundation settlement.
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Egress Windows
Code-compliant egress window installation to add natural light, emergency exit access, and livable square footage to your basement.
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Sump Pumps
Primary and battery backup sump pump installation, replacement, and maintenance to keep your basement dry year-round.
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Crawl Space Repair
Encapsulation, vapor barriers, drainage, and structural support to eliminate moisture, mold, and energy loss from your crawl space.
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Concrete & Poly Lifting
Polyurethane foam injection to lift and level sunken driveways, sidewalks, patios, and garage floors without full replacement.
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What Makes BAM Different Across Every City We Serve
We’re not a national franchise with a local phone number. BAM is an Iowa company, built by Iowans, for Iowa homes. Every technician on our crew has worked in Central Iowa’s specific soil conditions and understands what causes the problems you’re dealing with.
- ✓Free, No-Obligation Assessments — We come to your home, assess the damage, and give you a straight answer. No pressure, no upsell.
- ✓Lifetime Warranty Available — Our waterproofing and foundation repair work is backed by a transferable lifetime warranty.
- ✓Iowa-Specific Expertise — 14+ years solving the exact problems caused by Iowa clay soils, freeze-thaw cycles, and spring flooding.
- ✓5.0 Stars | 265 Reviews — Consistently rated Iowa’s top basement and foundation company by real homeowners across our service area.
- ✓Fully Licensed & Insured — Iowa contractor license, full liability coverage, and workers’ comp on every job.
Don’t See Your City Listed?
Our service radius extends throughout Polk County and surrounding areas. If you’re within 90 minutes of Des Moines, there’s a good chance we can help. Call us or fill out the form and we’ll confirm availability for your location.
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Ready for a Dry, Stable Basement?
Iowa’s #1 rated basement company is ready to help. No pressure, no obligation — just honest answers from people who know basements.
★★★★★
265 Verified Reviews
✓ Licensed & Insured in Iowa
✓ Serving Central Iowa since 2012
✓ Same-Day Emergency Response
✓ Lifetime Transferable Warranty