Colorado · DORA license-checked · Nov 10, 2026

Licensed plumbers in Colorado

Plumbing contractors, master, journeyworker and residential plumbers and apprentices licensed by the State Plumbing Board. 21,392 active licenses from Colorado Department of Regulatory Agencies (DORA), checked Nov 10, 2026. Verify any license at the source ↗

Active licenses
21,392
Plumbing Apprentice
9,749
Master Plumber
4,964
Counties
64
Photo: USFWS Mountain-Prairie · Public domain

License types

Plumbers by license type

Every type DORA publishes in this category, with active counts.

Plumbing Apprentice9,749 active licensesDORA
Master Plumber4,964 active licensesDORA
Plumbing Contractor3,113 active licensesDORA
Journeyworker Plumber2,956 active licensesDORA
Residential Plumber568 active licensesDORA
Water Conditioning Principal16 active licensesDORA
Water Conditioning Contractor14 active licensesDORA
Water Conditioning Installer11 active licensesDORA
Military Spouse - Journeyworker Plumber1 active licensesDORA

By county

Browse plumbers by county

Active licenses with an address of record in each county.

More counties

Pueblo 531Boulder 491Garfield 458Montrose 315Eagle 284Summit 256La Plata 230Fremont 211Broomfield 189Delta 156Rio Blanco 154Gunnison 130Chaffee 123Park 114Elbert 113Grand 112Alamosa 107Archuleta 102Routt 87Morgan 86Clear Creek 77Moffat 72Pitkin 71Teller 70Lake 67Montezuma 61Las Animas 51Logan 47Conejos 41Otero 39Rio Grande 36San Miguel 35Custer 30Costilla 29Dolores 25Kit Carson 23Prowers 22Lincoln 22Ouray 21Bent 20Saguache 17Huerfano 15Gilpin 13Phillips 13Sedgwick 8Baca 7Yuma 7San Juan 6Crowley 5Hinsdale 4Cheyenne 2

All counties: Adams, Alamosa, Arapahoe, Archuleta, Baca, Bent, Boulder, Broomfield, Chaffee, Cheyenne, Clear Creek, Conejos, Costilla, Crowley, Custer, Delta, Denver, Dolores, Douglas, Eagle, El Paso, Elbert, Fremont, Garfield, Gilpin, Grand, Gunnison, Hinsdale, Huerfano, Jackson, Jefferson, Kiowa, Kit Carson, La Plata, Lake, Larimer, Las Animas, Lincoln, Logan, Mesa, Mineral, Moffat, Montezuma, Montrose, Morgan, Otero, Ouray, Park, Phillips, Pitkin, Prowers, Pueblo, Rio Blanco, Rio Grande, Routt, Saguache, San Juan, San Miguel, Sedgwick, Summit, Teller, Washington, Weld, Yuma, statewide list (1,703 with no county).

Only active licenses are shown. Source: Colorado Department of Regulatory Agencies (DORA) public data, checked Nov 10, 2026.

Guides

All guides →
HiringHow to check a Colorado professional licenseRead →For professionalsIs this your trade? Get found in AI searchRead the checklist →Free toolAI search check for your websiteRun the check →