Basement Waterproofing & Foundation Repair in Marshalltown, Iowa
Iowa’s Highest-Rated Company — Serving Marshall County Homeowners since 2012
Expert Basement & Foundation Services in Marshalltown, Iowa
Marshalltown is a significant Central Iowa city on the Iowa River. The city's industrial heritage means many homes are older with original foundations that have been through decades of Iowa weather. The Iowa River creates drainage challenges for homes in the river corridor.
BAM Basements & Masons has been protecting Marshall County homes since 2012. Our team of certified technicians understands the unique soil conditions, drainage patterns, and weather challenges that affect Marshalltown homeowners. We provide free, no-obligation assessments and back every job with a transferable lifetime warranty.
Services BAM Provides in Marshalltown
Every service backed by our transferable lifetime warranty.
Basement Waterproofing
Interior drain tile, exterior membranes, crack injection — we stop water at the source.
Learn More →Foundation Repair
Carbon fiber straps, wall anchors, poly piers — we stabilize and lift failing foundations.
Learn More →Egress Windows
Code-compliant egress window installation that adds light, safety, and living space.
Learn More →Sump Pumps
Primary and battery backup sump pump installation, service, and replacement.
Learn More →Crawl Space Repair
Full encapsulation, vapor barriers, drainage, and dehumidification systems.
Learn More →Concrete Lifting
Poly foam injection lifts sunken driveways, sidewalks, and patios without replacement.
Learn More →Ready to Protect Your Marshalltown Home?
Get a free, no-obligation assessment from BAM’s certified technicians. We’ll diagnose the problem and give you a clear, honest recommendation.
Frequently Asked Questions — Marshalltown Homeowners
Yes. BAM Basements & Masons serves Marshalltown and Marshall County. We provide basement waterproofing, foundation repair, egress windows, sump pump installation, and crawl space repair in Marshalltown. Call (515) 400-4141 to schedule a free assessment.
Marshalltown's older housing stock often features original poured concrete or block foundations from the 1940s–1970s. These foundations have been through many decades of Iowa freeze-thaw cycles and Iowa River flooding. BAM can assess the condition and recommend cost-effective repair options.
Warning signs include horizontal or stair-step cracks in basement walls, doors and windows that stick, uneven floors, and visible gaps between walls and ceiling. If you see any of these in your Marshalltown home, call BAM for a free assessment.
Yes. BAM Basements & Masons provides a transferable lifetime warranty on all waterproofing and drainage systems installed in Marshalltown and throughout Central Iowa. The warranty transfers to the new owner if you sell your home.
Most interior waterproofing projects in Marshalltown are completed in 1–2 days. Larger projects or those requiring exterior excavation may take 2–4 days. BAM minimizes disruption and cleans up completely before leaving.