The 2026 CPDT Exam will be held October 26 - November 6. Registration is closed.
The exam is a 3.5-hour, 100-question multiple-choice examination.
To be eligible to take the CPDT Examination, a candidate must possess one of the following:
- Bachelor's degree in engineering with 1-year experience designing plumbing systems
- Associate’s or Bachelor’s degree in a field related to engineering (physics, mathematics, architecture, civil, environmental studies, construction, HVAC, etc.) and a minimum of two years of experience designing plumbing systems
- 4 years minimum of plumbing design experience
ASPE Members who are in the Full or Associate member categories are automatically eligible to sit for the examination.