How many plumbing contractors are in Cologne, MN?

3 with a current Minnesota license, as of 2026-08-31.

How do I check a Minnesota contractor license is current?

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

Plumbing contractors in Cologne, MN

3 listings

Source: Minnesota DLI license records. Last verified 2026-08-31.

There are 3 plumbing contractors in Cologne, Minnesota with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-12-31; every listing shows its own number and expiry date. All are drawn from the Minnesota DLI register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
GREGS HARDWARE INC	PC644138	Plumbing — Plumbing Contractor	2027-12-31	COLOGNE	55322	Set up workspace
NRG PLUMBING LLC	PC643223	Plumbing — Plumbing Contractor	2027-12-31	COLOGNE	55322	Set up workspace
RON OLSON CONSTRUCTION LLC	PB671669	Plumbing — Pipelaying Bond	2027-12-31	COLOGNE	55322	Set up workspace

Quick answers

How many plumbing contractors are in Cologne?: 3 with a current Minnesota 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 Minnesota DLI licensee database.