Ohio Plumber License Requirements

Official classification: Plumbing Contractor License · Issued by the Ohio Construction Industry Licensing Board.

🔧 PlumberOH ✔ Verified 2026-06-25

In Ohio, plumbers must hold the Plumbing Contractor License, issued by the Ohio Construction Industry Licensing Board, and no state surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed plumber in Ohio

Follow these steps to earn your Plumbing Contractor License. Every figure is verified against the Ohio Construction Industry Licensing Board; full detail for each step is further down the page.

Build the required experience. Minimum 5 years of documented plumbing work experience under a licensed plumber, OR 3 years of business experience as a registered engineer in Ohio
Pass the Ohio Business and Law Exam and Ohio Plumbing Contractor Exam exams. Providers, passing scores and fees are in the Exams section below.
Check the insurance rules. Liability: $500,000 minimum per occurrence.
Clear the background check. State and federal background check required; applicants must not have been convicted of disqualifying offenses as defined in Ohio law
Submit your application and fees. Apply through the Ohio Construction Industry Licensing Board — $25 application fee, plus a $25 license issuance fee, separate from the $25 exam application fee (OAC 4101:16-2-09) license fee. Processing time: No fixed processing time is published. By statute, once an applicant qualifies and passes the exam, the specialty section authorizes the license within 90 days after the application was filed (ORC 4740.06).
Keep the license active. Renewal: Annual ($60). Licensees in OCILB's Compliant Contractor Program (open after one year of compliance) may renew every 3 years instead ($180) and get a two-hour reduction in yearly CE (OAC 4101:16-1-08). Continuing education: 10 classroom hours per year in courses approved by any OCILB specialty section (OAC 4101:16-2-08). Compliant Contractor Program members need 8 hours per year.

For the general path in every state, see the Plumber guide →

Ohio plumber license lookup

To confirm a plumber is properly licensed in Ohio — or to check the status of your own license — search the issuing agency's official license database. The record shows whether the license is active and in good standing.

Verify a license now: Search the official elicense4.com.ohio.gov database →

License types

Plumbing Contractor — Commercial plumbing work including installation, repair, and maintenance of plumbing systems for commercial properties

Requirements at a glance

Experience required	Minimum 5 years of documented plumbing work experience under a licensed plumber, OR 3 years of business experience as a registered engineer in Ohio
Application fee	$25
License fee	$25 license issuance fee, separate from the $25 exam application fee (OAC 4101:16-2-09)
Renewal fee	$60 annually or $180 for 3-year renewal
Renewal period	Annual ($60). Licensees in OCILB's Compliant Contractor Program (open after one year of compliance) may renew every 3 years instead ($180) and get a two-hour reduction in yearly CE (OAC 4101:16-1-08).
Continuing education	10 classroom hours per year in courses approved by any OCILB specialty section (OAC 4101:16-2-08). Compliant Contractor Program members need 8 hours per year.
Bond required	None required at state level
Liability insurance	$500,000 minimum per occurrence
Property damage	—
Workers' comp	—
Background check	State and federal background check required; applicants must not have been convicted of disqualifying offenses as defined in Ohio law
Credit requirement	None
Reciprocity	Arkansas; Mississippi (Business and Law exam required); South Carolina (Business and Law exam required); Tennessee (Business and Law exam required); West Virginia · compare all states
Processing time	No fixed processing time is published. By statute, once an applicant qualifies and passes the exam, the specialty section authorizes the license within 90 days after the application was filed (ORC 4740.06).

What an Ohio plumber license costs

Application fee	$25.
License fee	$25 license issuance fee, separate from the $25 exam application fee (OAC 4101:16-2-09).
Ohio Business and Law Exam	$69.
Ohio Plumbing Contractor Exam	$69.
Surety bond	None required at state level.
Renewal fee	$60 annually or $180 for 3-year renewal.
Renewal period	Annual ($60). Licensees in OCILB's Compliant Contractor Program (open after one year of compliance) may renew every 3 years instead ($180) and get a two-hour reduction in yearly CE (OAC 4101:16-1-08).

Exams

Ohio Business and Law Exam	Provider: PSI · Passing: 70% · Fee: $69
Ohio Plumbing Contractor Exam	Provider: PSI · Passing: 70% · Fee: $69

Renewing an Ohio plumber license

The Plumbing Contractor License renews on a fixed cycle set by the Ohio Construction Industry Licensing Board. Finish the continuing-education requirement before you file — boards generally will not process a renewal without it. Late and lapsed renewals are handled differently by every board, so check the renewal page linked below before the deadline passes.

Renewal period	Annual ($60). Licensees in OCILB's Compliant Contractor Program (open after one year of compliance) may renew every 3 years instead ($180) and get a two-hour reduction in yearly CE (OAC 4101:16-1-08).
Renewal fee	$60 annually or $180 for 3-year renewal
Continuing education	10 classroom hours per year in courses approved by any OCILB specialty section (OAC 4101:16-2-08). Compliant Contractor Program members need 8 hours per year.
Where to renew	Ohio Construction Industry Licensing Board

Local / municipal notes

Multiple Ohio cities have additional local licensing requirements. Cincinnati: $130 registration fee; Columbus: $300 application fee and $150 annual fee for the Journeyperson Plumber license (2026 fee schedule); Dayton: must pass local journeyman exam or transfer existing Ohio license; Toledo: $100 application fee for journeyman plumbers. Local requirements vary by jurisdiction.

Frequently asked questions

How much does an Ohio plumber license cost?

Application: $25. License: $25 license issuance fee, separate from the $25 exam application fee (OAC 4101:16-2-09). Renewal: $60 annually or $180 for 3-year renewal.

How do I look up a plumber license in Ohio?

Search the official license database at elicense4.com.ohio.gov. The record shows whether the license is active and in good standing.

Do plumbers in Ohio need a surety bond?

None required at state level

What experience is required for an Ohio plumber license?

Minimum 5 years of documented plumbing work experience under a licensed plumber, OR 3 years of business experience as a registered engineer in Ohio

Is insurance required for plumbers in Ohio?

Liability: $500,000 minimum per occurrence.

How long does it take to get an Ohio plumber license?

Processing time: No fixed processing time is published. By statute, once an applicant qualifies and passes the exam, the specialty section authorizes the license within 90 days after the application was filed (ORC 4740.06).

Is a background check required for plumbers in Ohio?

Background check: State and federal background check required; applicants must not have been convicted of disqualifying offenses as defined in Ohio law.

How often must an Ohio plumber license be renewed?

Annual ($60). Licensees in OCILB's Compliant Contractor Program (open after one year of compliance) may renew every 3 years instead ($180) and get a two-hour reduction in yearly CE (OAC 4101:16-1-08). Continuing education: 10 classroom hours per year in courses approved by any OCILB specialty section (OAC 4101:16-2-08). Compliant Contractor Program members need 8 hours per year.

Fees and rules change frequently (often annually). This page was last verified on 2026-06-25 — always confirm current requirements directly with the Ohio Construction Industry Licensing Board before applying. This is not legal advice.