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Colorado Master Plumber License – Practice Test

Original price was: $199.99.Current price is: $179.99.

Colorado Master Plumber Practice Test


This practice test contains over 200 pages (over 600 questions) and includes answer keys. The questions are based on the official reference books (2018 International Plumbing Code & 2018 International Residential Building Code).


This practice test will supplement your experience and other prep materials you may be using, such as the reference & code books listed below. The comprehensive practice test is based on the actual Colorado Contractor/Trade requirements and bulletin information to ensure it is highly relevant and helps you pass you pass the Colorado Master Plumber license test.


Exam Administrator

PSI Services LLC
3210 E Tropicana
Las Vegas, NV 89121

Fax (702) 932-2666 * (800) 733-9267 * TTY (800) 735-2929


Colorado Master Plumber Candidate Information Bulletin

Reference Materials:

2018 International Plumbing Code

2018 International Residential Building Code

“All examination questions are consistent with the 2018 International Plumbing Code & 2018 International Residential Building Code books. The 2018  IPC & IRC will be provided to you at the test center. You may not write, highlight, underline, and/or index on the references. You may not use any other materials.

Also, review of plumbing theory and common formulas is advised. Any of the several commonly used textbooks adopted by apprenticeship and community college training programs will be sufficient for this purpose. It is your responsibility to know and to be able to use basic plumbing theory formulas since such knowledge may be required to work problems in the job task area of the examination entitled Job Task X: Calculations. Formulas will not be provided to you at the test center and are not allowed in during the test.



License Exam Info:


Master Plumber

120 Scored Items – 270 Minutes 

70% (84 Items) Correct to Pass

Up to 10 Non-Scored Items – 30 Minutes

Examination Content Area # of Items
Water Supply 14
Vents 22
Fixtures & Equipment 10
Piping Support & System Protection 6
Traps, Interceptors, and Separators 6
Storm Drainage Systems 12
Sanitary Drainage Systems 22
Indirect & Special Waste Piping 6
Isometric Analysis 10
Residential Fire Sprinklers 6
Water Heaters 6


General Practice Test Information:


Important Study Guide Download


Utilizing the strategies outlined in our Study Guidance document is key to your exam preparation. It is specially designed to deepen your understanding of the code/reference aspects vital to the exam. Please be reminded that the actual license exam questions are confidential and unavailable to anyone, including Our materials and methodology thoroughly prepare you for the code/reference section of the exam, enabling you to effectively apply your working knowledge to the test questions


Optimize Your Prep with Digital PDF Practice Tests

Embrace the convenience of digital study with our PDF practice tests, designed for the modern learner. Accessible immediately after purchase, these digital guides are your first step towards a focused and efficient study plan. Here’s how our PDF practice tests set you up for success:

Pinpoint Precision: Zero in on your strengths and areas for improvement. Our digital tests illuminate where you excel and where you need extra focus, allowing for a tailored study experience.

Effortless Efficiency: Leverage the power of technology to streamline your studying. Each question includes a "reference locator" within the PDF, guiding you directly to the topics that need your attention, saving hours of study time.

Customized Study Experience: Our PDF format allows you to study on-the-go, whether on your computer, tablet, or smartphone. If you’re confident with "Building Planning" but less so with "Building Envelope," our tests make it easy to allocate your study time efficiently across all specialties.

Quality That Counts: Dive into a comprehensive array of questions designed to cover every aspect of your field in depth. Our digital practice tests aim not just to help you pass but to excel in your career, enhancing safety and boosting your earning potential.

A Study Companion That Challenges You: Our tests are challenging, yet indicative of your readiness for the state license test. Conquering our practice tests in PDF format means you’re well-prepared for the actual exam.

Start your journey to certification with our PDF practice tests, and experience a smarter, more strategic way to study. Any questions? We’re here to support you.


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