Construction / Code Official License / Oklahoma
- Oklahoma
- Code Official License
- Building, Electrical & Mechanical
- Updated Oct 2026
How to Get Your Oklahoma Code Official License
How to become a licensed building, electrical or mechanical inspector, plans examiner or code official in Oklahoma: which exams you take, who gives them, and how to apply and renew with the Oklahoma Construction Industry Board.
Last updated October 28, 2026 from Oklahoma Construction Industry Board requirements
Application fee
Not stated
Ask the Construction Industry Board
Exam time
2 hrs
120 minutes per exam
Time to get license
Varies
Depends on how fast you pass your exams
Continuing ed
6 hrs
Within 12 months before renewal
Overview
Do you need an Oklahoma code official license?
Yes, if you want to work as a code official, inspector or plans examiner for a city, county or other local government that has adopted the State Building Code. Oklahoma requires you to pass the right exams for your trade and level, then apply for your license through the Oklahoma Construction Industry Board.
License required when
- You run a local code enforcement department as the Code Official
- You inspect construction sites and buildings for code compliance as a Code Inspector
- You review construction documents for permits as a Code Plans Examiner
- You do this work under the state building, electrical or mechanical codes
Common exceptions
- New licensees are exempt from continuing education for one year after passing their licensing exam
- Other exemptions aren’t covered in our source notes, so check with the Board before you start work
Working without a license
Our sources don’t list specific penalties. The Construction Industry Board licenses code officials and inspectors and can act on anyone working outside those rules, so get licensed before you take on inspection or plan review duties.
Your fast-track Oklahoma code official license checklist
The Oklahoma application, one page
- Trade and level picked (residential or unlimited)
- Code books tabbed and highlighted
- Exam registration with ICC or Prov
- Passing exam results for your license
- Application to the Construction Industry Board
- Plan for 6 hours of CE before renewal
Types
Oklahoma code official license types and classifications
Oklahoma splits inspector licenses by trade (building, electrical, mechanical) and by level: residential for one- and two-family dwellings, or unlimited (general) for all buildings. Each level has its own exam.
1A
Residential
Building Inspector, One- & Two-Family Dwellings
Footing and foundation, framing and final inspections on homes.
Exam
1A (NCPCCI) or ICC B1
Limit
1- & 2-family dwellings
1B
Unlimited
Building Inspector General
Structural, fire safety, life safety and foundation inspections on all buildings.
Exam
1B (NCPCCI) or ICC B2
Limit
All buildings
3B/3C
Unlimited add-on
Fire Protection General / Plan Review
Building structure and fire protection systems. Listed with the unlimited building track.
Exam
3B and 3C (NCPCCI)
Limit
All buildings
2A
Residential
Electrical Inspector, One- & Two-Family Dwellings
Services, panelboards, wiring methods, load and wire-size calculations on homes.
Exam
2A (NCPCCI) or ICC E1
Limit
1- & 2-family dwellings
2B
Unlimited
Electrical Inspector General
Adds motors, generators and special occupancies beyond dwellings.
Exam
2B (NCPCCI) or ICC E2
Limit
All buildings
4A
Residential
Mechanical Inspector, One- & Two-Family Dwellings
Appliances, distribution systems, chimneys, vents, combustion air and fuel systems on homes.
Exam
4A (NCPCCI) or ICC M1
Limit
1- & 2-family dwellings
4B
Unlimited
Mechanical Inspector General
Air distribution, piping, appliances, venting and fuel systems on all buildings.
Exam
4B (NCPCCI) or ICC M2
Limit
All buildings
Requirements
Oklahoma code official license requirements, class by class
The steps are the same for every trade: pass the exam for your level, then apply to the Board. ICC certifications are also listed as accepted for each trade, including plans examiner certifications.
| Requirement | Building | Electrical | Mechanical |
|---|---|---|---|
| Residential exam | 1A | 2A | 4A |
| Unlimited exams | 1B, plus 3B/3C fire protection | 2A and 2B | 4A and 4B |
| ICC certifications listed | B1, B2, B3 | E1, E2, E3 | M1, M2, M3 |
| Exam format | 50 questions, 120 min, open book | 50 questions, 120 min, open book | 50 questions, 120 min, open book |
| Passing score | 70% (1A) | 70% (2A) | 70% (4A) |
| Experience | Not stated | Not stated | Not stated |
| Continuing ed | 6 hrs before renewal | 6 hrs before renewal | 6 hrs before renewal |
Steps
How to get your Oklahoma code official license, step by step
- Pick your trade and levelBefore you start
Decide whether you’ll inspect buildings, electrical or mechanical work, and whether you need residential (one- and two-family) or unlimited coverage. - Get your code booksBefore the exam
The exams are open book. Your references can be tabbed and highlighted, but no outside study materials are allowed in the exam. - Register with a testing agencyBefore you test
Apply to test through the agency of your choice: ICC (1-888-422-7233) or Prov, which delivers the NCPCCI exams. Test centers are in larger cities across the state. - Pass your examsExam day
Each NCPCCI exam is 50 questions in 120 minutes. The residential exams need 70% to pass. - Apply to the Construction Industry BoardAfter you pass
Apply for your license through the Oklahoma Construction Industry Board, or call 405-521-6550 with questions. - Keep up with CEEvery renewal
Finish 6 hours of state-approved continuing education within 12 months before renewal. You’re exempt for the first year after passing your exam.
Exam
What to expect on the Oklahoma code official exam
Oklahoma’s inspector exams come from NCPCCI (delivered by Prov) or the ICC. Every exam listed is open book, so knowing your way around the code books matters as much as knowing the material.
Format
Open book
Questions
50
Passing score
70%
Exam vendor
ICC or Prov (NCPCCI)
Scoring & content
- Each NCPCCI exam: 50 questions, 120 minutes
- Residential exams (1A, 2A, 4A): 70% to pass
- Passing score for the general exams (1B, 2B, 4B) isn’t stated in our sources
- Books can be tabbed and highlighted
- Electrical exams lean on load and wire-size calculations
Retake policy
- Retake rules aren’t stated in our sources
- Check the testing agency’s candidate bulletin before you book
- The Board hosts a PSI candidate bulletin on its site for reference
Exam references · Open book
The exams are open book, and the approved references can be tabbed and highlighted. The list covers the building (1A, 1B, 3B/3C), electrical (2A, 2B) and mechanical (4A, 4B) inspector exams.
| Book | Edition | Use |
|---|---|---|
| International Residential Code (IRC) — 1A Building, 2A/2B Electrical and 4A/4B Mechanical exams | 2021 | Allowed in exam |
| International Building Code (IBC) — 1B Building and 3B/3C Fire Protection exams | 2021 | Allowed in exam |
| NFPA 13: Standard for the Installation of Sprinkler Systems — 3B/3C Fire Protection exam | 2019 | Allowed in exam |
| NFPA 72: National Fire Alarm and Signaling Code — 3B/3C Fire Protection exam | 2019 | Allowed in exam |
| NFPA 70: National Electrical Code (NEC) — 2A/2B Electrical exams | 2020 | Allowed in exam |
| International Mechanical Code (IMC) — 4B Mechanical exam | 2021 | Allowed in exam |
| International Fuel Gas Code (IFGC) — 4B Mechanical exam | 2021 | Allowed in exam |
Our sources also list the 2018 IRC for the 4A residential mechanical exam, so confirm the edition in the candidate bulletin.
Prep
Best Oklahoma code official exam prep, compared
We haven’t compared prep courses for this exam yet.
Costs
How much does an Oklahoma code official license cost?
| Item | Type | Estimate |
|---|---|---|
| License application fee | Fixed | Not stated |
| Exam fee (per exam) | Fixed | Not stated |
| Code books for the open-book exam | Variable | Varies |
| Continuing education | Variable | Varies |
| State fees and exams | Fees aren’t listed in our sources | Not stated |
Confirm current fees with the Construction Industry Board and your testing agency before you apply.
Reciprocity
Does Oklahoma accept out-of-state code official licenses?
Our sources don’t describe any reciprocity agreements for Oklahoma inspector licenses.
No reciprocity agreements
None are listed, so plan to apply as a new applicant. If you already hold ICC certifications, ask the Board whether they count toward your Oklahoma license.
Local
Do Oklahoma cities and counties have their own code official licensing rules?
The state licenses code officials and inspectors, but the work itself happens for cities, counties and other local governments that adopt the State Building Code.
State handles
- Code official, inspector and plans examiner licenses
- Accepted exams and ICC certifications
- Continuing education approval
- License renewals
City & county handle
- Hiring inspectors and plans examiners
- Running the local code enforcement department
- Permits and inspections
- Adopting the State Building Code locally
Governance
Who regulates code officials in Oklahoma
Licensing authority
Oklahoma Construction Industry Board
405-521-6550
Oversight responsibilities
- Issues and renews code official, inspector and plans examiner licenses
- Sets which exams and certifications qualify
- Approves continuing education for renewal
Maintenance
How to renew your Oklahoma code official license and keep it active
Before each renewal, finish 6 hours of state-approved continuing education within the prior 12 months. You’re exempt for one year after passing your licensing exam. Contact the Board for current renewal steps.
Renewal cycle
Not stated
CE hours
6
Renewal fee
Not stated
Late penalty
Not stated
Oklahoma building inspector licensing
Applications, renewals and contacts from the Construction Industry Board
FAQ
Oklahoma code official license FAQs
Who licenses building inspectors in Oklahoma?
The Oklahoma Construction Industry Board. You pass your exams first, then apply for your license through the Board.
Are the Oklahoma inspector exams open book?
Yes. You can bring tabbed and highlighted code books, but no other study materials.
How many questions are on the exam?
Each NCPCCI inspector exam has 50 questions and a 120-minute time limit. The residential exams need 70% to pass.
Can I use ICC certifications instead?
ICC certifications are listed as accepted for each trade, such as B1, E1 and M1 for residential and B2, E2 and M2 for commercial. Confirm with the Board before you apply.
What’s the difference between residential and unlimited?
Residential licenses cover one- and two-family dwellings. Unlimited licenses cover all buildings and need the general exams, such as 1B, 2B or 4B.
How much continuing education do I need?
6 hours of state-approved CE within 12 months before renewal. You’re exempt for one year after passing your exam.
Where do I take the exam?
Register with ICC or Prov, which delivers the NCPCCI exams. Test centers are in larger cities across Oklahoma.
Sources
Official sources for the Oklahoma code official license
- Oklahoma Construction Industry Board, Building Inspectors
- Oklahoma Construction Industry Board, PSI Candidate Information Bulletin (PDF)
- Prov, NCPCCI exam information (PDF)
- Prov
- International Code Council (ICC)
Last updated October 28, 2026. Spot something out of date? Tell us.
Exam Insiders is an independent guide and is not affiliated with the Oklahoma Construction Industry Board.