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Plumber License in Colorado

Requirements, Fees & How to Apply — 2026 Guide

State License Required

Quick Answer

Colorado requires plumber contractors to hold a state license. A state exam is required. Application fees start at $100-$275. Licenses renew biennial.

License Requirements

  • License Type: State License
  • Exam Required: Yes — state or trade exam required
  • Experience: 3+ years in plumber
  • Insurance: $200,000 general liability
  • Bond: $5,000-$10,000

Fees

  • Application Fee: $100-$275
  • Exam Fee: $50-$120
  • License Fee: $100-$200
  • Renewal Fee: $75-$175 (Biennial)

Governing Body

How to Get a Plumber License in Colorado

Step-by-step application process.

  1. Verify you meet the experience requirement (3+ years in plumber)
  2. Obtain required insurance: $200,000 general liability
  3. Obtain surety bond: $5,000-$10,000
  4. Pass the required exam — schedule through the state exam provider
  5. Submit application to Colorado State Plumbing Board
  6. Pay applicable fees and await license issuance (typically 2–8 weeks)

Important Notes

Colorado requires licensed plumbers for most plumbing work. Master Plumber and Journeyman Plumber licenses available. Local permits required for each project.

Frequently Asked Questions

Do I need a license to do plumber work in Colorado?

Yes. Colorado requires plumber contractors to hold a state license. Colorado requires licensed plumbers for most plumbing work. Master Plumber and Journeyman Plumber licenses available. Local permits required for each project.

How much does a plumber license cost in Colorado?

In Colorado, the application fee is typically $100-$275. Exam fees are $50-$120. License fees are $100-$200. Renewal is $75-$175 per biennial cycle.

Is an exam required for a plumber license in Colorado?

Yes, Colorado requires passing a licensing exam for plumber contractors. The exam typically covers state laws and regulations plus trade-specific knowledge.

How do I renew my plumber license in Colorado?

Colorado plumber licenses renew biennial. Renewal fees are $75-$175. Many states require continuing education for renewal. Contact Colorado State Plumbing Board for current renewal requirements.

Does Colorado have reciprocity for plumber licenses?

Colorado currently has limited formal reciprocity for plumber licenses. Contact Colorado State Plumbing Board to discuss your situation — experience from other states may still be credited.

Plumber Licensing in Neighboring States

Compare requirements in nearby states — useful if you work across state lines.

ArizonaKansasNebraskaNew MexicoOklahomaUtah

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Disclaimer: Licensing requirements change frequently. Always verify current requirements with the official state licensing board before applying. This information is for general guidance only and is not legal advice.