Iowa's Best Contractors

Plumbing & HVAC Contractors in Marshalltown, Iowa

8 public registry records for Marshalltown.

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: Plumbing/Heating & A/C Contractors. This is the complete registry for Marshalltown. 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. How this list is built →

Also searched as: plumber, plumer, plummer, plumbing, hvac, furnace, boiler, heating.

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How many plumbing/heating & a/c contractors are registered in Marshalltown?

As of November 2026, 8 plumbing/heating & a/c contractors based in Marshalltown hold a construction contractor registration with the State of Iowa, 8 of them currently in Registered status. That is about 1% of the 1,509 plumbing/heating & a/c contractors registered statewide. This is the complete State registry for Marshalltown, not a curated selection.

In Marshalltown
8
registered in this trade
Currently registered
8
in active status
Not current
0
expired or lapsed, still on record
Renewing in 90 days
0
registrations due to expire

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