California CSLB C-23 — Ornamental Metal Exam Prep

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Your access starts when you do: the days begin the first time you open the course, not at checkout (or 14 days after purchase, whichever comes first).

Business & Law is 75% off with this classification. Add it only if you want it, for the same term: $24.75 for 30 days, $32.25 for 60 days, $42.25 for 90 days.

Official sitting

California CSLB C-23 Ornamental Metal exam at a glance

The California CSLB C-23 Ornamental Metal exam has a time limit of 3 hours 30 minutes, and it is closed book. CSLB also requires a separate Law and Business exam. Figures are from CSLB’s published exam information.

Time3 hours 30 minutes

Confirm question count, time, open-book rules, and passing score on the live board bulletin before you sit. We do not guarantee a passing result. Source: CSLB C23StudyGuide.pdf (on/after 6/1/2025). How we source exam facts

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What’s included

18,000+ word study guide

Worked calculations, code-section breakdowns, exam traps, a key-terms glossary and a 30/60/90-day plan.

5 full-length practice exams

Original questions weighted to match the topic mix of the real exam.

500 practice questions

Every one with a written explanation and the code section behind the answer.

Same study guide and four exams on every term. You are choosing how long you can log in.

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What’s on the California CSLB C-23 Ornamental Metal exam

CSLB’s study guide divides the C-23 exam into five weighted sections. Planning and Estimating carries the most weight at 23%, and together with Safety (22%) it makes up 45% of the exam. Finishes and Repairs is the smallest share at 14%.

California CSLB C-23 Ornamental Metal exam sections and their share of the exam
SectionShare of exam
Planning and Estimating23%
Fabrication21%
Installation20%
Finishes and Repairs14%
Safety22%

The C-23 exam is closed book: no reference materials may be used during the test. Questions are multiple choice with four options, and there is no penalty for guessing, so leave nothing blank.

Source: CSLB Ornamental Metal (C-23) examination study guide. These weightings are the Board’s own, not our estimate. Contractor Pathway is independent and not affiliated with or endorsed by CSLB.

What this prep covers

  1. EXAM OVERVIEW AND STRUCTURE
  2. 1 California Building Code (CBC) -- Metal Fabrication and Installation
  3. 2 Guardrails and Guards
  4. 4 ADA Accessibility Requirements for Railings
  5. 5 Stairway Requirements
  6. 8 Local Building Department Permits and Inspections
  7. 1 Cal/OSHA General Safety Requirements
  8. 6 Fall Protection
  9. 7 Personal Protective Equipment (PPE)
  10. 9 Estimating and Bidding
  11. 1 Welding Processes
  12. 2 Metal Types and Properties
  13. 3 Metal Finishing and Coatings
  14. 5 Gates and Access Control
  15. 6 Decorative Metalwork
  16. 7 Structural Connections and Anchoring
  17. 8 Layout, Measurement, and Shop Drawings
  18. 10 Fasteners and Hardware
  19. PRACTICE QUESTIONS
  20. KEY REFERENCES
  21. 5 Change Orders
  22. 6 AWS D1.1 Structural Welding Code -- Steel
  23. 7 Welding Procedure Specifications and Qualifications
  24. 2 Welding and Cutting Safety
  25. 3 Hot Work Permits and Fire Prevention
  26. 4 Fume and Ventilation Hazards
  27. 4 Stairs and Railings -- Design and Fabrication
  28. 9 Tools and Equipment
  29. 8 - Steel Plate Weight
  30. 3 Handrails
  31. 1 CSLB Licensing Requirements
  32. 2 Contractor Bonds
  33. 3 Mechanics Liens
  34. 4 Home Improvement Contracts
  35. 6 Insurance Requirements
  36. 7 Contractor Discipline and Enforcement
  37. 8 Employment Law Basics

Related California CSLB exams

Common questions about this exam

Do I also need the Law and Business exam in California?

Yes. CSLB requires every applicant to pass the separate Law and Business exam in addition to the C-23 trade exam. That exam has 3 hours 30 minutes. California CSLB Law & Business prep is 75% off when you add it to this classification for the same term.

How much practice does this prep include?

It includes 5 full-length practice exams and 500 practice questions in total. Every question has a written explanation naming the code section the answer comes from.

How long is the study guide?

The California CSLB C-23 Ornamental Metal guide runs to roughly 18,493 words in 37 sections, starting with “EXAM OVERVIEW AND STRUCTURE” and ending with “8 Employment Law Basics”.

How long do I get access?

Choose 30, 60 or 90 days at checkout. Your days do not start at checkout: they begin the first time you open the course (or 14 days after purchase, whichever comes first). Access works on any device, and you can retake every practice exam as often as you like. Days remaining are shown in your dashboard and you can extend at any time.

Is this an official California CSLB C-23 Ornamental Metal exam?

No. This is independent preparation material. It is not affiliated with or endorsed by any state licensing board or exam vendor, and it does not contain real exam questions. Always confirm current requirements with your licensing board.

About this prep

This prep is built specifically for the C-23 — Ornamental Metal examination and includes a 18,000+-word study guide written for this exam, 5 full-length practice exams and 500 practice questions, each with a written explanation.

How access works

You are paying for access length (30, 60, or 90 days). The study guide and four timed exams are the same on every term. Your days start the first time you open the course, not at checkout (or 14 days after purchase, whichever comes first), and access works on any device for that term.

Not affiliated with or endorsed by any state licensing board or exam vendor. For exam-preparation purposes only.