How to get a Plumbing license in Ohio
The full Ohio plumbing licensing path — experience hours, required exam, fees, and where to apply. Verified 6/12/2026.
Career prep, not a license.
Prep for the Ohio Plumbing exam
Plumbing 101 — Start Here (Free) — self-paced lessons, practice exam, certificate of completion.
Ohio Plumbing Contractor License
Frequently asked questions
How do I get a plumbing license in Ohio?
You need 5 yrs (10,000 hrs) experience as a licensed tradesperson in the previous 10 yrs.. Then pass the Ohio Plumbing Contractor Exam (Ohio Plumbing Code + business) administered by PSI Services. Applications go through the Ohio Construction Industry Licensing Board (OCILB).
What exam do I need to pass?
Ohio Plumbing Contractor Exam (Ohio Plumbing Code + business) — administered by PSI Services.
How much experience do I need?
5 yrs (10,000 hrs) experience as a licensed tradesperson in the previous 10 yrs.
What about fees, insurance, and continuing education?
Required for commercial work over $25k; residential plumbers are licensed by municipalities. Must carry $25k surety bond + $500k liability. $25 exam + $60/yr license. CEU: 10 hrs/yr. Reciprocity with KY, WV, LA.
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