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If you want to become a plumber in Colorado, your first step is the right training. In this trade, skill is everything. The job requires technical knowledge, hands-on ability, and a solid understanding of state codes. A good plumbing school will give you the foundation you need and connect you with apprenticeship opportunities.
Below, you'll find trusted plumbing programs in Colorado, plus the licensing steps you must complete.
How Plumbing Licensing Works in Colorado
Colorado requires plumbers to be licensed before working on most projects. The Colorado State Plumbing Board sets the requirements.
According to the Colorado State Plumbing Board: To work as a plumber, you must complete a state-approved apprenticeship or equivalent training hours before applying for the license exam.
There are three licensing levels in Colorado:
- Residential Plumber - allows work on one-, two-, three-, and four-family dwellings.
- Journeyman Plumber - allows work on all types of plumbing systems.
- Master Plumber - highest level; can plan, lay out, and supervise all plumbing work.
Important: Apprentices must be registered with the state. School training often counts toward the required apprenticeship hours, but you will still need on-the-job training.
Steps to Become a Licensed Plumber in Colorado
Here's the typical path:
- Register as an apprentice with the Colorado State Plumbing Board.
- Complete classroom training through a trade school or community college.
- Work under a licensed plumber to get your required hours:
- Residential Plumber: 3,400 hours
- Journeyman Plumber: 6,800 hours
- Master Plumber: 9,780 hours
- Apply for and pass the state licensing exam for your license level.
- Keep your license active through continuing education and renewals.
Best Plumbing Schools in Colorado
The schools listed below offer plumbing technology programs, pipefitting courses, or construction trades training with plumbing components. Always confirm details directly with the school before enrolling.
1. Emily Griffith Technical College - Denver
- Program: Plumbing Apprenticeship and Construction Trades
- Features: State-approved training, hands-on labs, connection to local unions and contractors.
- Website: https://www.emilygriffith.edu
- Program: Plumbing Fundamentals (part of construction technology programs)
- Features: Flexible scheduling, small class sizes, industry-standard tools.
- Website: https://www.rrcc.edu
3. Construction Industry Training Council of Colorado (CITC) - Denver
- Program: Four-year Plumbing Apprenticeship
- Features: NCCER-accredited curriculum, evening classes for working apprentices, direct employer connections.
- Website: https://www.citcinc.org
4. Pikes Peak State College - Colorado Springs
- Program: Building and Construction Technology with plumbing courses
- Features: Prepares students for entry-level jobs and apprenticeships, focus on residential systems.
- Website: https://www.pikespeak.edu
5. Local Union Apprenticeship Programs
Several UA Local unions in Colorado sponsor plumbing apprenticeship programs combining paid work with classroom training. Common locals include:
- UA Local 3 (Denver)
- UA Local 58 (Colorado Springs)
- UA Local 145 (Grand Junction)
Union apprenticeships may cover tuition and provide benefits. Contact your local union hall for application dates.
Comparing Program Options
| School/Program | Training Length | Offers Apprenticeship | NCCER Accredited |
| Emily Griffith Technical College | Varies | Yes | No |
| Red Rocks Community College | 1-2 semesters | No | No |
| CITC | 4 years | Yes | Yes |
| Pikes Peak State College | 1-2 years | No | No |
| UA Local Union Apprenticeship | 4-5 years | Yes | Varies |
Tip: If you want to earn while you learn, look for a formal apprenticeship program. If you want to start with classroom work to build skills before applying, a college program may be better.
What to Look for in a Plumbing School
Before you choose a school, check for:
- State approval: Training should be recognized by the Colorado State Plumbing Board.
- Accreditation: NCCER or other industry accreditations add value.
- Hands-on practice: Lab time is critical in plumbing training.
- Teacher experience: Instructors should have field experience.
- Connections to employers: Job placement support can speed up your path.
Continuing Education and Career Growth
Plumbing is a career you can grow in. After getting your first license, you can work toward master plumber status, start your own business, or move into inspection and code enforcement. Most licenses need continuing education hours to renew. Many trade organizations and unions offer these courses.
Final Advice
If you are committed to becoming a plumber in Colorado, start by picking a school or apprenticeship program that fits your needs. Register as an apprentice early so your work hours count toward your license.
Here's what you should do next:
- Contact two or three schools from this list.
- Ask about costs, schedules, and how they handle apprenticeship registration.
- Apply for your apprentice registration with the Colorado State Plumbing Board.
- Get your training started - the sooner you begin, the sooner you can test for your license.
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