How many plumbing contractors are in Boulder, CO?

20 with a current Colorado license, as of 2026-08-31.

How do I check a Colorado contractor license is current?

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

Plumbing contractors in Boulder, CO

20 listings

Source: Colorado DORA license records. Last verified 2026-08-31.

There are 20 plumbing contractors in Boulder, Colorado with a current state license as of 2026-08-31. The earliest license expiry among them is 2027-02-28; every listing shows its own number and expiry date. All are drawn from the Colorado DORA register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
Bernie's Plumbing and Heating, Co.	1061	Plumbing Contractor	2027-02-28	Boulder	80304	Set up workspace
Blue Steel LLC	3533	Plumbing Contractor	2027-02-28	Boulder	80301	Set up workspace
Centennial Plumbing and Heating Inc.	966	Plumbing Contractor	2027-02-28	Boulder	80301	Set up workspace
Clearwater Plumbing & Hydronics	1560	Plumbing Contractor	2027-02-28	Boulder	80305	Set up workspace
Daryl Oshiro Plumbing and Heating	1767	Plumbing Contractor	2027-02-28	Boulder	80303	Set up workspace
E Plumbus Unum, LLC	2890	Plumbing Contractor	2027-02-28	Boulder	80301	Set up workspace
Flowstone Plumbing and Heating Ltd	4929	Plumbing Contractor	2027-02-28	Boulder	80306	Set up workspace
FX Plumbing LLC	5196	Plumbing Contractor	2027-02-28	Boulder	80302	Set up workspace
Gessner Plumbing & Mechanical, Inc.	2329	Plumbing Contractor	2027-02-28	Boulder	80301	Set up workspace
Norm's Plumbing, Heating & Supply, Inc.	538	Plumbing Contractor	2027-02-28	Boulder	80302	Set up workspace
Penguin Home Services LLC	5642	Plumbing Contractor	2027-02-28	Boulder	80302	Set up workspace
Pipeline Plumbing and Heating	4135	Plumbing Contractor	2027-02-28	Boulder	80305	Set up workspace
Ritter Plumbing and Heating Inc.	1250	Plumbing Contractor	2027-02-28	Boulder	80307	Set up workspace
Secrist Inc DBA Canyon Plumbing and Heating Inc	1573	Plumbing Contractor	2027-02-28	Boulder	80301	Set up workspace
Sunshine Mechanical Inc.	2701	Plumbing Contractor	2027-02-28	Boulder	80308	Set up workspace
T Brown Inc	635	Plumbing Contractor	2027-02-28	Boulder	80304	Set up workspace
Timberline Mechanical Systems	4867	Plumbing Contractor	2027-02-28	Boulder	80301	Set up workspace
Tom Petersen Plumbing	5428	Plumbing Contractor	2027-02-28	Boulder	80303	Set up workspace
Ward Plumbing and Heating	2718	Plumbing Contractor	2027-02-28	Boulder	80305	Set up workspace
Young's Plumbing and Heating	2310	Plumbing Contractor	2027-02-28	Boulder	80305	Set up workspace

Quick answers

How many plumbing contractors are in Boulder?: 20 with a current Colorado 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 Colorado DORA licensee database.