Oklahoma Plumber License Requirements

Official classification: Plumber License · Issued by the Construction Industries Board (CIB).

🔧 PlumberOK ✔ Verified 2026-10-01

In Oklahoma, plumbers must hold the Plumber License, issued by the Construction Industries Board (CIB), and a $5,000 surety bond is required. Full requirements — experience, exams, fees, insurance, renewal and reciprocity — are detailed below.

How to become a licensed plumber in Oklahoma

Follow these steps to earn your Plumber License. Every figure is verified against the Construction Industries Board (CIB); full detail for each step is further down the page.

Build the required experience. Apprentice: minimum age 16; Journeyman: 3 years as apprentice, OR 3 years military plumbing experience, OR valid out-of-state license in good standing. Educational substitutions: 1,000 classroom hours = 2 years; 500 hours = 1 year; 375 hours = 9 months; 334 hours = 8 months; 250 hours = 6 months. Contractor: 1 additional year as licensed journeyman under contractor supervision.
Pass the exam for the license class you are applying for. Providers, passing scores and fees are in the Exams section below.
Secure your surety bond. Oklahoma requires $5,000 surety bond payable to CIB (required for contractors; can waive with notarized affidavit).
Check the insurance rules. Liability: $50,000 minimum general liability insurance. Workers' compensation: Not specified.
Clear the background check. Not specified
Submit your application and fees. Apply through the Construction Industries Board (CIB) — Apprentice: $5 application + $20 registration ($25). Journeyman: $25 application + $50 license ($75). Contractor: $30 application + $300 license ($330). Per OAC 158:30-9-2. application fee, plus a Included in the totals above license fee. Processing time: Not publicly disclosed.
Keep the license active. Renewal: Annual (continuing education tracked every 3 years). Continuing education: 6 hours every 3 years for journeymen and contractors only.

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

Oklahoma plumber license lookup

To confirm a plumber is properly licensed in Oklahoma — 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 okcibv7prod.glsuite.us database →

License types

Apprentice Plumber — Works under direct supervision of a licensed journeyman or contractor plumber; minimum age 16
Journeyman Plumber — Can install, alter, and repair residential and commercial plumbing systems; may supervise up to 3 apprentices
Residential Journeyman Plumber — Limited to 1-2 family dwellings, maximum 3 stories
Plumbing Contractor (Master) — Plans, oversees, and installs plumbing systems as individual or business entity for all building types
Residential Plumbing Contractor (Master) — Residential-only plumbing contractor, limited to 1-2 family dwellings, maximum 3 stories

Requirements at a glance

Experience required	Apprentice: minimum age 16; Journeyman: 3 years as apprentice, OR 3 years military plumbing experience, OR valid out-of-state license in good standing. Educational substitutions: 1,000 classroom hours = 2 years; 500 hours = 1 year; 375 hours = 9 months; 334 hours = 8 months; 250 hours = 6 months. Contractor: 1 additional year as licensed journeyman under contractor supervision.
Application fee	Apprentice: $5 application + $20 registration ($25). Journeyman: $25 application + $50 license ($75). Contractor: $30 application + $300 license ($330). Per OAC 158:30-9-2.
License fee	Included in the totals above
Renewal fee	Apprentice $20; Journeyman $75 (+$25 late); Contractor $200 (+$100 late). Per OAC 158:30-9-2.
Renewal period	Annual (continuing education tracked every 3 years)
Continuing education	6 hours every 3 years for journeymen and contractors only
Bond required	$5,000 surety bond payable to CIB (required for contractors; can waive with notarized affidavit)
Liability insurance	$50,000 minimum general liability insurance
Property damage	—
Workers' comp	Not specified
Background check	Not specified
Credit requirement	—
Reciprocity	Arkansas (Journeyman reciprocity agreement available) · compare all states
Processing time	Not publicly disclosed

What an Oklahoma plumber license costs

Application fee	Apprentice: $5 application + $20 registration ($25). Journeyman: $25 application + $50 license ($75). Contractor: $30 application + $300 license ($330). Per OAC 158:30-9-2.
License fee	Included in the totals above.
Journeyman Plumber Exam	$92.
Plumbing Contractor Exam	$92.
Business & Law Exam	$92.
Surety bond	$5,000 surety bond payable to CIB (required for contractors; can waive with notarized affidavit). A bond's premium is a percentage of the bond amount, set by the surety.
Renewal fee	Apprentice $20; Journeyman $75 (+$25 late); Contractor $200 (+$100 late). Per OAC 158:30-9-2.
Renewal period	Annual (continuing education tracked every 3 years).

Exams

Journeyman Plumber Exam	Provider: PSI · Passing: 75% · Fee: $92
Plumbing Contractor Exam	Provider: PSI · Passing: 75% · Fee: $92
Business & Law Exam	Provider: PSI · Passing: 75% · Fee: $92

Renewing an Oklahoma plumber license

The Plumber License renews on a fixed cycle set by the Construction Industries Board (CIB). 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 (continuing education tracked every 3 years)
Renewal fee	Apprentice $20; Journeyman $75 (+$25 late); Contractor $200 (+$100 late). Per OAC 158:30-9-2.
Continuing education	6 hours every 3 years for journeymen and contractors only
Where to renew	Construction Industries Board (CIB)

Local / municipal notes

Oklahoma offers multiple license tiers including residential-specific licenses with scope limitations. Bond and insurance requirements can be waived with notarized affidavit. Apprentice license does not require exam.

Frequently asked questions

How much does an Oklahoma plumber license cost?

Application: Apprentice: $5 application + $20 registration ($25). Journeyman: $25 application + $50 license ($75). Contractor: $30 application + $300 license ($330). Per OAC 158:30-9-2. License: Included in the totals above. Renewal: Apprentice $20; Journeyman $75 (+$25 late); Contractor $200 (+$100 late). Per OAC 158:30-9-2.

How do I look up a plumber license in Oklahoma?

Search the official license database at okcibv7prod.glsuite.us. The record shows whether the license is active and in good standing.

Do plumbers in Oklahoma need a surety bond?

$5,000 surety bond payable to CIB (required for contractors; can waive with notarized affidavit)

What experience is required for an Oklahoma plumber license?

Apprentice: minimum age 16; Journeyman: 3 years as apprentice, OR 3 years military plumbing experience, OR valid out-of-state license in good standing. Educational substitutions: 1,000 classroom hours = 2 years; 500 hours = 1 year; 375 hours = 9 months; 334 hours = 8 months; 250 hours = 6 months. Contractor: 1 additional year as licensed journeyman under contractor supervision.

Is insurance required for plumbers in Oklahoma?

Liability: $50,000 minimum general liability insurance. Workers' compensation: Not specified.

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

Processing time: Not publicly disclosed.

Is a background check required for plumbers in Oklahoma?

Background check: Not specified.

How often must an Oklahoma plumber license be renewed?

Annual (continuing education tracked every 3 years). Continuing education: 6 hours every 3 years for journeymen and contractors only.

Fees and rules change frequently (often annually). This page was last verified on 2026-10-01 — always confirm current requirements directly with the Construction Industries Board (CIB) before applying. This is not legal advice.