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Oklahoma regulates construction trades through the Construction Industries Board (CIB), which licenses electrical, plumbing, and mechanical contractors, registers roofers, and certifies building and home inspectors. Highway work requires separate ODOT prequalification, and nonresident contractors must register with the Oklahoma Tax Commission.
Always verify statutes, fees, and application details with the live regulator before making bidding, licensing, or legal decisions.

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At a glance

The fastest way to orient yourself in Oklahoma is to know the exam requirements, the nonresident bond trigger, and the reciprocity scope.
SignalValue
Electrical contractor experience12,000 hours documented
Plumbing and mechanical contractor experience4 years documented
Exam passing score (electrical, mechanical, roofing)70% on both business-law and trade sections
Exam passing score (plumbing)75% on both sections
Nonresident contractor surety triggerContracts of $100,000 or more
Liability insurance (roofing — residential)$500,000
Liability insurance (roofing — commercial)$1,000,000
Highway prequalificationRequired before bidding on state highway work
Reciprocity modelCIB-managed; electrical journeyman (10 states), plumbing journeyman (1 state)

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Frequently asked questions

Pick the tab that matches your situation. Each FAQ gives a direct answer and points you to the full detail below.
All three trades are licensed through the CIB. Electrical requires 12,000 hours of documented experience; plumbing and mechanical each require 4 years. All require a two-section exam (business-law and trade). Each trade also requires a $5,000 surety bond and $50,000 liability insurance. See Requirements.
No. Oklahoma does not have a single dollar threshold that triggers a general contractor license. Instead, regulation is organized by trade — electrical, plumbing, mechanical, and roofing are all regulated at the state level through the CIB. General building construction is not licensed at the state level. See Construction work regulated.
Yes. Roofing contractors must register with CIB at $75/year. Commercial roofing requires an additional endorsement obtained by passing a two-section exam (70% on each). Residential roofing requires $500,000 in liability insurance; commercial roofing requires $1,000,000. See Requirements.
Oklahoma uses a three-agency model: the CIB handles all trade licensing; ODOT handles highway prequalification; and the Tax Commission handles nonresident contractor registration. See Who regulates construction.
For CIB trades (electrical, plumbing, mechanical), the exam fee is $100, initial license is $300, and annual renewal is $200. Each trade also requires a $5,000 bond. Roofing registration is $75/year, with a commercial endorsement at $200 initial and $100 renewal. See Requirements.
Each CIB trade requires a $5,000 surety bond and $50,000 commercial general liability insurance. Residential roofing requires $500,000 liability; commercial roofing requires $1,000,000. Nonresident contractors with contracts of $100,000 or more must post a surety bond equal to three times the tax liability or 10% of the contract amount. See Requirements.
Reciprocity is limited. The CIB manages electrical journeyman reciprocity with 10 states (Alaska, Arkansas, Colorado, Idaho, Montana, Nebraska, New Mexico, South Dakota, Texas, Wyoming) and plumbing journeyman reciprocity with Arkansas only. Reciprocity requires enforceable agreements between jurisdictions. See Reciprocal agreements.
Nonresident contractors must register with the Oklahoma Tax Commission using Packet N. For contracts of $100,000 or more, you must post a surety bond equal to three times the tax liability or 10% of the contract amount. File a Notice of Contract (Form BT-175) before work begins and a Notice of Completion (Form BT-176) afterward. See Requirements.
Highway work routes to ODOT, which is entirely separate from trade licensing. You must prequalify before bidding on state highway projects. See Who regulates construction.
Yes. Building and construction inspectors and home inspectors are licensed through the CIB. See Construction work regulated.

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Start with your goal

Pick the card that matches what you need right now. Each one links to the relevant section on this page.

Is licensure triggered?

Start with work type — electrical, plumbing, mechanical, and roofing are all regulated at the state level.

Find the right regulator

Use the regulator directory to route your question to the correct Oklahoma agency.

Application and renewal details

Exams, fees, bonds, insurance, and renewal cycles for each trade.

Reciprocity direction

CIB offers electrical journeyman reciprocity with 10 states and plumbing journeyman with Arkansas.

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Special considerations

Different roles need different things from an Oklahoma page. Use the tab that matches your situation to see what matters most before you read the full detail below.
Start with your trade. Oklahoma’s CIB handles electrical, plumbing, mechanical, and roofing — each with its own exam, experience, and insurance requirements.
  • Electrical contractors must document 12,000 hours; plumbing and mechanical contractors need 4 years.
  • All CIB trades require a $5,000 surety bond, $50,000 liability insurance, and passing a two-section exam.
  • Roofing contractors register at $75/year; commercial roofing requires an additional endorsement exam.
  • Nonresident contractors must register with the Tax Commission and post a surety bond for contracts of $100,000 or more.
  • Highway work is a separate gate through ODOT prequalification.

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Readiness checklist

Four things you need to confirm before you can treat Oklahoma as “ready” for a bid or an application. If any of these are unclear, you are not ready yet.

Identify the trade and licensing lane

Determine whether the work is electrical, plumbing, mechanical, roofing, inspection, or highway. Each has a different path.

Apply the right threshold test

Check the experience requirement for your trade (12,000 hours for electrical, 4 years for plumbing and mechanical). For nonresidents, confirm whether the $100,000 surety bond trigger applies.

Route to the correct agency

CIB handles all trade licensing. ODOT handles highway prequalification. The Tax Commission handles nonresident surety bonds.

Confirm the requirement set

Verify exam scores, experience, fees, bond amount, insurance minimums, and renewal cycle for the exact trade before filing.
If you can identify trade, experience threshold, agency, and requirement set, you have the minimum package needed for an Oklahoma readiness check.
Use these links to jump to related cross-state comparisons and workflows.

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Construction work regulated

Oklahoma does not have a single dollar threshold that triggers a general contractor license. Instead, regulation is organized by trade and work type.
Work laneWhat triggers regulation
Electrical contractingState license required through CIB
Plumbing contractingState license required through CIB
Mechanical contracting (HVAC, refrigeration, gas piping, sheet metal)State license required through CIB
RoofingRegistration required; commercial roofing requires additional endorsement
Building and construction inspectorsState license required through CIB
Home inspectorsState license required through CIB
Highway constructionODOT prequalification required before bidding
Nonresident contractorsMust register with Tax Commission; surety bond required for contracts of $100,000 or more
Oklahoma also requires nonresident contractors to file notices of contract and completion with the Oklahoma Employment Security Commission, Workers’ Compensation Court, and the county assessor (Title 68, Sections 1701-1709).

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Common determination scenarios

If you are trying to figure out where to start, expand the scenario that is closest to your situation.
Route to the CIB. You need 12,000 hours of documented experience, a two-section exam (70% on both), $50,000 liability insurance, and a $5,000 surety bond. Initial license is $300 with a $200 annual renewal.
Route to the CIB. Four years of experience required. Plumbing exam score minimum is 75% (higher than other trades at 70%). Same fee structure: $100 exam, $300 initial, $200 renewal, $5,000 bond.
Roofing contractors must register with CIB ($75/year). Commercial work requires an additional endorsement obtained by passing the business-law and trade exam (70%). Commercial roofing endorsement costs $200 initially and $100 to renew, and requires $1,000,000 in liability insurance.
Register with the Oklahoma Tax Commission using Packet N. For contracts of $100,000 or more, you must post a surety bond equal to three times the tax liability or 10% of the contract amount. File a Notice of Contract (Form BT-175) before work begins and a Notice of Completion (Form BT-176) afterward.
The CIB manages all reciprocity. Currently limited to unlimited electrical journeyman (10 states) and unlimited plumbing journeyman (Arkansas only). Reciprocity requires an enforceable agreement between jurisdictions. Contact the CIB to confirm current agreements.

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Who regulates construction

Oklahoma divides construction regulation across three agencies. Use this directory to find the one that owns your work lane.
2401 North West 23rd Street, Suite 2F, Oklahoma City, OK 73107Phone: (405) 521-6550 | Fax: (405) 521-6525Website: oklahoma.gov/cib
200 North East 21st Street, Room 1-A5, Oklahoma City, OK 73105Phone: (405) 521-2625Website: oklahoma.gov/odot
2501 North Lincoln Boulevard, Oklahoma City, OK 73194Phone: (405) 521-3160Website: oklahoma.gov/tax

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Requirements

Each Oklahoma trade has its own exam, experience, and fee structure. Expand the trade that applies to your situation.

Electrical Contractors

RequirementDetail
ExamTwo-section exam (business and law + trade) with a minimum score of 70% on each section
Experience12,000 hours documented
Insurance$50,000 commercial general liability
Exam FeeInitial LicenseAnnual RenewalBond
$100$300$200$5,000
RequirementDetail
ExamTwo-section exam (business and law + trade) with a minimum score of 75% on each section
Experience4 years documented
Insurance$50,000 commercial general liability
Exam FeeInitial LicenseAnnual RenewalBond
$100$300$200$5,000
RequirementDetail
ExamTwo-section exam (business and law + trade) with a minimum score of 70% on each section
Experience4 years documented
Insurance$50,000 commercial general liability
Exam FeeInitial LicenseAnnual RenewalBond
$100$300$200$5,000
Roofing contractors performing residential work need a registration. Commercial roofing requires an additional endorsement obtained by passing a two-section exam (70% on each).
RequirementDetail
Insurance (residential)$500,000 liability
Insurance (commercial)$1,000,000 liability
Workers’ compensationProof of compliance with Oklahoma law required
Fee TypeAmount
Initial registration$75
Registration renewal (annual)$75
Commercial endorsement exam$100
Initial commercial endorsement$200
Commercial endorsement renewal (annual)$100
Nonresident contractors must register with the Oklahoma Tax Commission using Packet N.
RequirementDetail
RegistrationNotice of Contract (Form BT-175) required before work begins
Surety bond triggerContracts of $100,000 or more
Bond amountThree times the tax liability or 10% of the contract amount
CompletionNotice of Completion (Form BT-176) required; surety may be canceled after completion but not released by the Tax Commission until one year after the completion notice
Title 68, Sections 1701-1709 also require nonresidents to file notices with the Oklahoma Employment Security Commission, Workers’ Compensation Court, and the county assessor.

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Reciprocal agreements

Oklahoma’s reciprocity is managed by the CIB and requires enforceable agreements with reciprocating jurisdictions before an application can be processed. Reciprocity is currently limited to journeyman-level credentials.
Oklahoma reciprocity requires that license requirements and scope of work be substantially similar between jurisdictions. The CIB continues to pursue new agreements — contact the agency to confirm the current list.
TradeReciprocal statesCoverage
Electrical journeyman (unlimited)Alaska, Arkansas, Colorado, Idaho, Montana, Nebraska, New Mexico, South Dakota, Texas, Wyoming10 states
Plumbing journeyman (unlimited)Arkansas1 state

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Types of licenses

Oklahoma’s credential categories are organized by trade family under the CIB. Use this section to confirm the exact license or registration name.
Contractor
  • Limited Residential
  • Unlimited Residential
Journeyman
  • Limited Residential
  • Unlimited Residential
  • Refinery
  • Contractor
  • Journeyman
Contractor
  • HVAC Limited
  • HVAC Unlimited
  • Refrigeration
  • Natural Gas Piping
  • Process Piping
  • Sheet Metal
  • Ground Source Piping
Journeyman
  • HVAC Limited
  • HVAC Unlimited
  • Limited Residential
  • Refrigeration
  • Natural Gas Piping
  • Process Piping
  • Sheet Metal
  • Ground Source Piping
  • Petroleum Refinery Process Piping
  • Medical Gas
  • Fueled Hearth Product Work
  • Limited Residential Installer
Roofing
  • Contractor Registration
  • Commercial Roofing Endorsement
Inspectors
  • Building Inspector
  • Home Inspector

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See also

South region guide

Browse all South jurisdictions for comparison.

Contractors guide

Cross-state guidance for contractors evaluating new jurisdictions.

Regulators guide

Cross-state guidance for comparing regulatory models and agency structures.
Neighboring jurisdictions with reciprocity ties:

Arkansas

CIB reciprocity for both electrical and plumbing journeyman credentials.

Colorado

CIB reciprocity for unlimited electrical journeyman.

Texas

CIB reciprocity for unlimited electrical journeyman.