California CSLB C-15 — Flooring & Floor Covering 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-15 Flooring & Floor Covering exam at a glance

The California CSLB C-15 Flooring & Floor Covering 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 C-15 Examination Study Guide (on/after 1/1/2026). How we source exam facts

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What’s included

17,000+ 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-15 Flooring & Floor Covering exam

CSLB’s study guide divides the C-15 exam into eight weighted sections. Planning and Estimating carries the most weight at 21%, and together with Subfloor Evaluation, Preparation, and Material Acclimation (20%) it makes up 41% of the exam. Concrete Treatment and Synthetic Application is the smallest share at 4%.

California CSLB C-15 Flooring & Floor Covering exam sections and their share of the exam
SectionShare of exam
Planning and Estimating21%
Subfloor Evaluation, Preparation, and Material Acclimation20%
Carpet Installation12%
Resilient and Rubber Flooring Installation12%
Laminate Flooring Installation8%
Wood Flooring Installation10%
Concrete Treatment and Synthetic Application4%
Safety13%

The C-15 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 Flooring and Floor Covering (C-15) 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. How this guide works
  2. CSLB C-15 sitting recap
  3. C-15 on-syllabus depth after 18k-bar strip
  4. Planning and Estimating — 21% of the exam
  5. Section 3.5: Mechanics Liens
  6. Section 3.2: Contractor Bonds
  7. Section 3.4: Home Improvement Contracts (B&P Section 7159)
  8. Section 3.6: Advertising and Business Practices
  9. Glossary of Key Terms
  10. Subfloor, Moisture, Concrete Prep, Acoustics, VOC and Safety Standards
  11. Section 3.3: Insurance Requirements
  12. Section 3.7: Employment and Payroll
  13. Subfloor Evaluation, Preparation, and Material Acclimation — 20% of the exam
  14. Section 1.2: Fire Ratings for Floor Coverings
  15. Section 1.7: Additional Code Requirements
  16. Section 4.1: Flooring Types and Their Characteristics
  17. Section 4.3: Underlayment Requirements
  18. Section 4.4: Installation Methods by Flooring Type
  19. Section 4.8: Common Defects and Troubleshooting
  20. Section 4.7: Specialty Topics
  21. Carpet Installation — 12% of the exam
  22. Resilient and Rubber Flooring Installation — 12% of the exam
  23. Practice Exam Strategies
  24. Section 1.4: ADA Accessibility -- Floor Surface Requirements
  25. Laminate Flooring Installation — 8% of the exam
  26. Wood Flooring Installation — 10% of the exam
  27. Concrete Treatment and Synthetic Application — 4% of the exam
  28. Section 2.4: Electrical and Tool Safety
  29. Section 4.2: Subfloor Preparation
  30. Safety — 13% of the exam
  31. Section 2.3: Chemical Exposure -- Adhesive Fumes and Dust
  32. Section 2.2: Ergonomic Hazards for Flooring Contractors
  33. Section 2.5: Fall Protection, Housekeeping, and Heat Illness
  34. Section 1.3: Slip Resistance Standards
  35. Section 1.6: VOC Limits -- Adhesives, Sealants, and Flooring
  36. How C-15 — Flooring & Floor Covering is actually scored
  37. California — who writes C-15 — Flooring & Floor Covering
  38. Contractor method on C-15 — Flooring & Floor Covering
  39. Clock discipline for C-15 — Flooring & Floor Covering
  40. C-15 Flooring: Topic Checklist
  41. Concrete substrates
  42. Carpet, resilient, wood
  43. Safety
  44. Code reference and general knowledge
  45. Section 4.5: Transitions and Trim
  46. Section 4.6: Radiant Floor Heat Compatibility
  47. Quick Reference Tables

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-15 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-15 Flooring & Floor Covering guide runs to roughly 17,974 words in 47 sections, starting with “How this guide works” and ending with “Quick Reference Tables”.

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-15 Flooring & Floor Covering 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-15 — Flooring & Floor Covering examination and includes a 17,000+-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.