Construction Trade Exam Research Area

Plumbing Contractor

Apply for the license

Ohio Construction Industry Licensing Board
6606 Tussing Road, P.O. Box 4009
Reynoldsburg, OH 43068-9009
Phone: (614) 644-3493
Licensing Board Information Page

Exam Administrator

PSI Licensure : Certification
3210 E. Tropicana
Las Vegas, NV 89121
(800) 733-9267
PSI Web Site

Exam Type


Exam Content

Subject Areas # of
General Knowledge 8
General Regulations 20
Plumbing Fixtures 6
Water Supply Systems 10
Drainage, Waste and Sanitary Vents 24
Indirect Wastes 3
Roof Drain Piping 4
Specialty Plumbing 5
Isometric Analysis 20

Total number of test questions: 100
Time allowed (hours): 4.0
The state of Ohio also requires that you take and pass a written Business and Law exam for this trade.

Go to Business and Law Offering

Books Allowed in the Exam

1. Ohio Plumbing Code, 2017 Edition, ICC Buy at Amazon
2. International Fuel Gas Code, 2009, 2012, or 2015, ICC Buy at Amazon
3. Mathematics for Plumbers and Pipefitters, 8th Edition, 2012, Lee Smith. Buy at Amazon
4. Modern Plumbing, 7th Edition, 2010, E. Keith Blankenbaker. Buy at Amazon
Study materials are currently NOT available for this exam

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