Licensing Exams by Trade Name - Home Link

Plumbing Contractor

Apply for the license

Ohio Construction Industry Licensing Board (OCILB)
6606 Tussing Road
Reynoldsburg, OH 43068
Phone:  (614) 644-3493

Exam Administrator

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

Exam Type


Exam Content

Subject Areas# of
General Knowledge8
General Regulations20
Plumbing Fixtures6
Water Supply Systems10
Drainage, Waste and Sanitary Vents24
Indirect Wastes3
Roof Drain Piping4
Specialty Plumbing5
Isometric Analysis20
Total number of test questions:
Time allowed (hours):

In addition to the trade-specific examination, you may be required to pass the Business and Law Exam offered by PSI or take an "approved" Business and Law course

Books Allowed in the Exam

Ohio Plumbing Code, 2017 Edition, ICC
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International Fuel Gas Code, 2015, ICC
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Mathematics for Plumbers and Pipefitters, 8th Edition, Lee Smith
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Modern Plumbing, 7th Edition, 2010, E. Keith Blankenbaker
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Study materials are currently NOT available for this exam

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