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Water/Sewer Line Construction in Iowa

233 public registry records for Iowa, across 187 recorded cities.

Source observed 2026-11-02: Iowa Department of Inspections, Appeals, and Licensing. Registration is not a quality rating. A recorded location does not establish a service area.

State registry category: Water/Sewer Line Construction.

233 contractors statewide are registered with the State of Iowa for this trade.

Also searched as: sewer, water line, septic.

How many water/sewer line construction are registered in Iowa?

As of November 2026, 233 water/sewer line construction hold a construction contractor registration with the State of Iowa, of which 233 are currently in Registered status. They operate out of 187 cities across 73 Iowa counties. This is the complete State registry for the trade, not a curated selection.

Registered
233
in this trade
Iowa-based
65%
82 from out of state
Counties covered
73
of 99 in Iowa
Renewing in 90 days
36
registrations due to expire

The largest concentrations are Sioux Falls (6), Ankeny (3), Bloomfield (3), Council Bluffs (3) and South Sioux City (3). A further 82 are based outside Iowa but hold a current Iowa registration, which Iowa Code ch. 91C requires before they may work in the state.

Free quotes from water/sewer line construction in Iowa

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Free · about 3 minutes · no obligation · Contact details are shared with signed-in Premiere contractors after you complete your request.

By city

First 100 of 233

10 of 100 listings publish services; 21 publish hours. These are published details, not availability guarantees.

Premiere members appear first, marked with the gold check.

Premiere members appear first, marked with the gold check.Verified: owner confirmed their details with the StateEvery registered contractor is listed either way, a badge moves a listing up, it never removes anyone, and neither is a judgement of anyone’s work.

Pick a city above to see the rest.

How to choose the best water/sewer line construction in Iowa

Iowa does not rate or rank contractors, and neither do we. The 233 registered water/sewer line construction listed on this page (current as of November 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. Every business above holds a current State registration, and nobody pays to be included. Premiere members appear first, marked with the gold check. That is placement, not a rating. 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. Never pay the full amount up front.

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

Frequently asked questions

Who are the best registered water/sewer line construction in Iowa?

Iowa does not rate or rank contractors, so there is no official "best registered water/sewer line construction" list. This directory shows all 233 registered water/sewer line construction the State lists in Iowa. Premiere members appear first, marked with the gold check. Owner-verified listings follow, then listings with published business details, then everyone else, alphabetical within each group. Nobody is ranked by quality. To choose one for your project, confirm the registration is active, ask for current proof of liability insurance and workers' compensation (and, for a licensed trade, a current State trade license), and compare written itemized bids. Registration and advertising placement do not establish quality.

How many registered water/sewer line construction are there in Iowa?

As of November 2026, the State of Iowa lists 233 registered water/sewer line construction in Iowa. This directory shows all of them. It is the complete public registry, and nobody can pay to be added or left out.

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 November 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 ↗

Cite this dataset: Iowa's Best Contractors (contractiowa.com), Iowa registered construction contractors, compiled from the State of Iowa contractor registration record (Iowa Code ch. 91C), exported November 2, 2026.