Oklahoma Plumber License Requirements
Official classification: Plumber License · Issued by the Construction Industries Board (CIB).
🔧 PlumberOK ✔ Verified 2026-06-26
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 Journeyman Plumber Exam and Plumbing Contractor Exam and Business & Law Exam exams. 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).
- Line up insurance. You'll need liability insurance ($50,000 minimum general liability insurance).
- Clear the background check. Not specified
- Meet the credit / financial requirement. —
- 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. Renew annual (continuing education tracked every 3 years), completing 6 hours every 3 years for journeymen and contractors only.
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.
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) |
| Processing time | Not publicly disclosed |
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 |
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 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
Official sources
oklahoma.gov/cib/your-industry/plumbing.html
oklahoma.gov/cib.html
oklahoma.gov/cib/your-industry/plumbing/plumbing-contractor.html
oklahoma.gov/cib/your-industry/testing-and-exam-information.html
oklahoma.gov/cib/forms-and-applications.html
getjobber.com/academy/plumbing-license/oklahoma
rocketcert.com/construction/oklahoma