How many plumbing contractors are in GRINNELL, IA?

2 with a current Iowa license, as of 2026-08-31.

How do I check a Iowa contractor license is current?

Every listing shows its state license number and expiry date. Verify any of them directly against the Iowa Workforce Development licensee database.

Plumbing contractors in GRINNELL, IA

2 listings

Source: Iowa Workforce Development license records. Last verified 2026-08-31.

There are 2 plumbing contractors in GRINNELL, Iowa with a current state license as of 2026-08-31. The earliest license expiry among them is 2029-06-30; every listing shows its own number and expiry date. All are drawn from the Iowa Workforce Development register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
BAUMAN HEATING COOLING & REFRIGERATION LLC	C153143	Plumbing/Heating & A/C Contractors	2029-06-30	GRINNELL	50112	Set up workspace
JP DRAIN CLEANING & PLUMBING	C130199	Plumbing/Heating & A/C Contractors	2029-06-30	GRINNELL	50112	Set up workspace

Quick answers

How many plumbing contractors are in GRINNELL?: 2 with a current Iowa license, as of 2026-08-31.
How do I check a license is current?: Every listing shows its state license number and expiry. Verify any of them directly against the Iowa Workforce Development licensee database.