Choose to begin your apprenticeship training with class series cohorts beginning in January, May, or August. Learn more by viewing the Program Registration section and 8-Week Course Information flyer below.

8-Week Course Information Flyer

The Plumbing trade is growing, and College of Western Idaho's Plumbing Apprenticeship program is your key to starting a rewarding career in a field that is increasingly in need of trained and licensed technicians, installers, and troubleshooters.

This four-year program will take you from the basics to being prepared to take the Journeyman Plumbing Exam.

You will learn from industry experts in the classroom in concert with employment in the Plumbing field for on-the-job training while earning a living. The schooling teaches the how's and why’s of plumbing theory, the Uniform Plumbing Code, the Idaho Plumbing Code, residential and commercial installations, blueprint reading and estimating, job safety, plumbing repairs, and much more.

The Plumbing Apprenticeship classes at CWI are delivered to you in a Hyflex format offering you classes in-person and virtually at designated dates and times.

You will have 576 hours of classroom (in-class or online) training along with 8,000 hours of on-the-job experience during the four-year program.

Be prepared to work in these areas of the plumbing industry:

  • Residential
  • Commercial
  • Industrial

Pencil Application IconProgram Registration


A class series will begin on Jan. 1, May 1, and at the end of August.

All students are required to review and complete the Plumbing Apprenticeship Online Orientation.

Be sure to check all the registration options for specific start dates.

Plumbing Apprenticeship Registration

For help or questions about registering for the Plumbing Apprenticeship program, contact:

Workforce Development


Workforce Development at College of Western Idaho (CWI) provides you high-quality, short-term training to boost your job skills, acquire new career skills, and earn the certificates you need. Take as many classes as you want in our short-term, credit free classes with no applications, no transcripts, and no hassle. Just sign up and watch your career take off.

Classes are offered at a variety of locations throughout western Idaho that are taught by knowledgeable professionals with years of experience in the topics they teach.

What You Will Learn to Do

  • Safety
  • Tools of the trade
  • Math
  • Blueprint reading
  • Plumbing theory
  • Plumbing vocabulary and terms
  • Fittings
  • Piping methods
  • Materials
  • Hydronics
  • Boilers
  • Sizing
  • Venting of gas piping
  • Service and trouble-shooting
  • Uniform Plumbing Code requirements
  • Hands-on training in a lab setting

Respectful Community

College of Western Idaho is committed to maintaining a Respectful Community by providing equal opportunity for all individuals and does not discriminate in services, benefits, or activities on the basis of race, color, national origin, religion, sex, gender identity, sexual orientation, disability status, veteran status, age, or any other legally protected status.  More on Title IX

News and Blogs

Two students sitting at computers

First-year HVAC, Electrical, and Plumbing apprentice students get a head start with newly-developed online orientations.

CWI Apprenticeship programs honored during annual Career and Technical Education conference.

CWI Apprenticeship programs honored during annual Career and Technical Education conference.

Plumbing students celebrate graduation at dinner held in their honor

Plumbing graduates gathered to celebrate their accomplishments this past week at a dinner held in their honor.

Andy Sifford is in the CWI Plumbing Apprenticeship Program preparing for the Journeyman’s test

Meet Andy Sifford, a student in his third year of College of Western Idaho’s Plumbing Apprenticeship Program.

Instructor and students looking at plumbing equipment

College of Western Idaho (CWI) is working to change how and where apprenticeships are made available. 

Steve Bennett, program coordinator for CWI’s Plumbing Apprentice program

Steve Bennett, program coordinator for CWI’s Plumbing Apprentice program, has been named Faculty of Distinction for May.