Iowa's Best Contractors
TradesCountiesBlogRegistry ReportPost a projectSign inClaim your profile

Plumbing & HVAC Contractors in Johnston, Iowa

6 public registry records for Johnston.

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 Johnston. 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.

Ask plumbing & hvac contractors in Johnston for quotes →

0 of 6 listings publish services; 1 publish hours. These are published details, not availability guarantees.

← All contractors in Johnston

More plumbing & hvac contractors nearby in Polk County

4 of 10 listings publish services; 6 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.

More in this category in Polk County →

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

As of November 2026, 6 plumbing/heating & a/c contractors based in Johnston hold a construction contractor registration with the State of Iowa, 6 of them currently in Registered status. That is a share of the 1,509 plumbing/heating & a/c contractors registered statewide. This is the complete State registry for Johnston, not a curated selection.

In Johnston
6
registered in this trade
Currently registered
6
in active status
Not current
0
expired or lapsed, still on record
Renewing in 90 days
0
registrations due to expire

Comparing beyond city limits? All 1,509 plumbing/heating & a/c contractors registered in Iowa →

What to know before hiring plumbing & hvac contractors in Iowa →

Guides for hiring plumbing & hvac contractors in Johnston

Furnace and HVAC Replacement Cost in Iowa (2026)

See realistic furnace and HVAC replacement cost ranges in Iowa, what drives the price, efficiency ratings, and how to hire a registered HVAC contractor.

Costs · 6 min read