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Poured Concrete Foundation Contractors in Iowa

Poured concrete foundation contractors in Iowa form and pour footings, foundation walls, basements, and slabs. Iowa’s freeze-thaw cycling and expansive soils put more stress on foundation work here than in milder climates, which is why footing depth and drainage detail matter more than the concrete itself.

Also searched as: concrete, driveway, patio, slab, sidewalk, foundation, pour, repour.

How many poured concrete foundation contractors are registered in Iowa?

As of September 2026, 341 poured concrete foundation contractors hold a construction contractor registration with the State of Iowa, of which 341 are currently in Registered status. They operate out of 197 cities across 73 Iowa counties. This is the complete State registry for the trade — not a paid or curated selection.

Registered
341
in this trade
Iowa-based
84%
55 from out of state
Counties covered
73
of 99 in Iowa
New in 12 months
337
median 0.4 yrs registered

The largest concentrations are Des Moines (39), Cedar Rapids (11), Sioux City (7), Marshalltown (7) and Dubuque (6). A further 55 are based outside Iowa but hold a current Iowa registration, which Iowa Code ch. 91C requires before they may work in the state.

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Planning poured concrete foundation contractors work in Iowa

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What to know before hiring poured concrete foundation contractors in Iowa

Frost depth and footing placement

Footings must bear below the local frost line, and that minimum is set by your city or county building department rather than by a statewide number. Confirm the depth the permit requires and that the bid actually prices it — this is not a detail to discover after the pour.

Drainage is the whole job

Most Iowa foundation failures are water problems, not concrete problems. Drain tile, proper backfill, damp-proofing or waterproofing, and positive grade away from the wall determine whether a basement stays dry. Ask each bidder to specify all four; a bid that omits them is cheaper for a reason.

Pour season and curing

Concrete placed in Iowa’s cold months requires protection and admixtures to cure correctly, and both add cost. A contractor who treats a January pour as identical to a June pour is either absorbing that cost or skipping it, and it is worth asking which.

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How to choose the best poured concrete foundation contractors in Iowa

Iowa does not rate or rank contractors, and neither do we — the 341 registered poured concrete foundation contractors listed on this page (current as of September 2026) are the complete State registry for Iowa, shown without any quality ranking. “Best” is not a list you can look up; it is the contractor who is right for your job. Here is the method the pros’ own trade associations recommend for finding them:

  1. 1. Start from the complete list, not an ad. Every business above holds a current State registration — a legitimacy baseline the incumbents’ pay-to-play lists cannot promise. Shortlist three or four whose location and trade fit your project.
  2. 2. Confirm the registration is active. Check each one on the Iowa Department of Inspections, Appeals, and Licensing’s official portal (verify a registration ↗). Every profile here links to the State’s own record so you can check it in one click.
  3. 3. Get current proof of insurance. Ask for a certificate of general liability and workers’ compensation. Never let uninsured work start on your property.
  4. 4. Get at least three written, itemized bids. Compare the same scope apples-to-apples. Be wary of a bid far below the rest — it usually hides missing scope or “surprise” costs later.
  5. 5. Check references and recent local work, then put the full scope, price, milestone payment schedule, and warranty in a written contract before anyone starts.

The full guide: finding the best contractor in Iowa →Questions to ask before you hire →How to verify a registration →

Frequently asked questions

What causes basement foundation problems in Iowa?

Most are driven by water and frost rather than defective concrete. Freeze-thaw cycling, poor surface grading, failed or absent drain tile, and expansive soils place lateral pressure on foundation walls over time. Horizontal cracking, bowing, and recurring seepage generally indicate a drainage or soil-pressure problem that repairing the crack alone will not resolve.

Are foundation contractors licensed in Iowa?

No. Foundation and concrete work is not a licensed trade in Iowa. These contractors must hold a State construction contractor registration under Iowa Code ch. 91C, which confirms unemployment-insurance and workers’ compensation compliance but involves no exam or skills assessment. Ask for references on comparable local work and current proof of insurance.

Who are the best registered poured concrete foundation contractors in Iowa?

Iowa does not rate or rank contractors, so there is no official "best registered poured concrete foundation contractors" list — any site claiming one is guessing. Instead, this directory shows the complete field: all 341 registered poured concrete foundation contractors the State lists in Iowa, unranked, so you can compare them yourself. To find the best one for your project, confirm each contractor's registration is active, ask for current proof of liability insurance and workers' compensation (and, for a licensed trade, a current State trade license), and get at least three written itemized bids before you hire.

How many registered poured concrete foundation contractors are there in Iowa?

As of September 2026, the State of Iowa lists 341 registered poured concrete foundation contractors in Iowa. This directory shows all of them — it is the complete public registry, with no paid placement affecting who is listed.

Is a registered contractor the same as a licensed contractor?

No. Iowa requires most construction contractors to register with the State (Iowa Code ch. 91C), but registration is not a license, an endorsement, or a guarantee of quality, insurance, or bonding. It confirms only that the business filed a current registration with the State.

How do I verify a contractor's Iowa registration?

Look up the registration number on the Iowa Department of Inspections, Appeals, and Licensing's official portal (https://laborportal.iwd.iowa.gov/iwd_portal/). Every profile in this directory links to the State's own record so you can confirm it independently — see the step-by-step guide at https://contractiowa.com/verify.

Are these contractors insured or bonded?

Registration does not verify insurance or bonding. Always ask a contractor for current proof of liability insurance and workers' compensation, and get at least three written bids, before you hire.

Where does this data come from and how current is it?

It comes directly from the Iowa Department of Inspections, Appeals, and Licensing's public "Active Iowa Construction Contractor Registrations" record, last exported September 2026. You can download the full list as a CSV, or read how this directory is built.

↓ Download this list (CSV)Data, sources & method →Verify a registration with the State ↗