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Plumber
Total cost: $163
Yes
State Licensed?
8,000
Apprentice Hours
3
License Levels
$163
Total Fees
6 hrs
CE Hours
International Plumbing Code (IPC)
Code Version
Get the Oklahoma Plumber Roadmap — every step, fee, and deadline mapped out. — every step mapped out.
Get the Roadmap — $20Apprentice Registration Fee
$25
First year; $20 subsequent years
Journeyman License Fee
$75
Application fee; annual renewal: $75
Master Plumber License Fee
$330
Contractor application fee; annual renewal: $200
Exam Fee
$88-$92
Sources vary; PSI exam fee
Renewal Fee
$75 (journeyman) / $200 (contractor)
Annual renewal
Regulation Status
VerifiedState Licensed
Yes
Regulation Level
state
License Types Available
State-Level Licensing Required
Regulated by the Oklahoma Construction Industries Board (CIB)
Apprenticeship Program
8,000
Total Hours
4 yrs
Duration
576
Classroom Hours
7,424
OJT Hours
Registered Apprenticeship Program Required
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Experience Required
Registration required; no prior experience
No exam required
Additional Requirements
Experience Required
3 years of verifiable plumbing experience while employed by a licensed plumbing contractor; education substitution: 1,000-hour program = 2 years credit; 500-hour program = 1 year credit
Exam required
Additional Requirements
Experience Required
Must meet all journeyman requirements + 1 additional year of experience (4 years total)
Exam required
Additional Requirements
Exam Information
VerifiedJourneyman Exam
RequiredMaster Exam
RequiredExam Provider
PSI
Plumbing Code Version
International Plumbing Code (IPC)
Open Book Exam
Passing Score
75%
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Overall licensing difficulty: 25/100
Study recommendation: 1–2 weeks of focused review is usually sufficient
Practice with realistic exam questions
Plumber Licensing Exam
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Difficulty rating based on education, exam, and experience requirements. Individual experience may vary.
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Minimum Age
Education
Background Check
Insurance Required
Bonding Required
Not sure if you need a plumber license? Check whether your state requires one.
Oklahoma has 23% above average — nationally the ratio is 1 per 746 residents.
Oklahoma has above-average plumbers density — competitive market.
Oklahoma ranks #14 out of 51 states by plumbers per capita.
| Fee | Amount |
|---|---|
Apprentice Registration First year; $20 subsequent years | $25 |
Journeyman License Application fee; annual renewal: $75 | $75 |
Master License Contractor application fee; annual renewal: $200 | $330 |
Exam Fee Sources vary; PSI exam fee | $88-$92 |
Renewal Fee Annual renewal | $75 (journeyman) / $200 (contractor) |
Total Initial Fees Journeyman: application ($75) + exam (~$90) = ~$165; Contractor: application ($330) + exam (~$90) + bond ($5K) = ~$420+ | $163 |
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Renewal & CE Requirements
Verified1 year
Renewal Period
6
CE Hours Required
$75 (journeyman) / $200 (contractor)
Renewal Fee
Continuing Education Required
Regulatory Board
Annual renewal
Out-of-State Reciprocity
VerifiedAccepts Out-of-State Licenses
Transfer Type
Endorsement
Additional Requirements for Transfer
Most states require plumbers to pass the local exam or apply for endorsement when transferring an out-of-state license. Requirements vary by state.
Moving to another state? Use our Transfer Tool to see what you need →
Compare Oklahoma with other states →
See how requirements, costs, and timelines differ across all 50 states.
Oklahoma uses 'Contractor' as its highest plumbing tier instead of 'Master'; apprentice minimum age is 14 (notably younger than most states); journeyman requires only 3 years experience; passing score is 75% (higher than the typical 70%); contractor requires $5,000 surety bond + $50,000 liability insurance; CE is 6 hours within a 3-year period (not per year); reciprocity with Arkansas for journeyman.
Oklahoma uses 'Contractor' as highest tier instead of 'Master'
Apprentice age: 14+ (notably younger than most states)
Journeyman requires only 3 years experience — lower than most states
Education substitution: 1,000-hour program = 2 years credit; 500-hour program = 1 year credit
Passing score: 75% (higher than the typical 70%)
Contractor requires $5,000 surety bond + $50,000 liability insurance
CE: 6 hours within a 3-year period (not per year)
Reciprocity with Arkansas (journeyman); Board may review other states individually
Must register apprentice within 90 days of starting work
Uses IPC (ICC)
Plumber Schools in Oklahoma
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Official Sources
Plumber requirements in Oklahoma verified against Oklahoma Construction Industries Board (CIB), April 2026.
Official regulatory agency — updated during manual_audit_batch8
Accessed 2026-03-24
Official regulatory agency — added during plumber audit
Accessed 2026-03-22
Accessed 2026-03-06