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LicenseReq

How to Become a Plumber in Colorado

Becoming a plumber in Colorado takes education, an exam and an application. Here is the exact breakdown for Colorado, sourced from the official board.

How do I become a plumber in Colorado?

To become a plumber in Colorado you must complete Approved apprenticeship with classroom instruction, pass the State plumbing exam (state vendor), meet the experience requirement (4,000-9,000 hours (2-4 years)), cover the fees (Application $50; license fee $150). Licensing is handled by Colorado State Plumbing Board. Confirm current rules with the official board before applying.

Source: Colorado State Plumbing BoardLast updated August 7, 2026

Requirements at a glance

Pre-licensing education
Approved apprenticeship with classroom instruction
Exam requirements
State plumbing exam (state vendor)
Experience
4,000-9,000 hours (2-4 years)
Fees & costs
Application $50; license fee $150
Reciprocity
Limited; state exam typically required
Renewal
3-year cycle, 24 hours continuing education
Source: Colorado State Plumbing BoardLast updated August 7, 2026

FAQ

What are the education requirements to become a plumber in Colorado?

Approved apprenticeship with classroom instruction. This is the requirement published by the state.

What exam do I take to become a plumber in Colorado?

You take the State plumbing exam (state vendor). Sign up through the approved testing vendor used by the state.

How much does a plumber license cost in Colorado?

Application $50; license fee $150. Application, education and exam fees are set by the state board and can change.

How often do I renew my plumbing license in Colorado?

3-year cycle, 24 hours continuing education.

All states for this license

Licensing rules can change. This page is a summary, not legal advice. Always confirm current requirements with the official Colorado State Plumbing Board before applying.