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CA C-45 — Sign Contractor Exam

C-45 License

CA · CSLB Exam

Updated 2025
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What's covered - 5 topics per exam

115 questions and answers per exam set - Exactly like your real CSLB contractor exam.

  • Planning and Estimating
    22%
  • Sign Design and Fabrication
    20%
  • Sign Installation
    26%
  • Testing, Maintenance, and Troubleshooting
    16%
  • Safety
    16%

See how you learn

Sign Installation

Question 1
Which minimum compressive strength is required for concrete in a structural sign foundation to meet building code standards?
Active Guidance

Structural foundations typically require a minimum compressive strength of 2,500 psi to handle the wind and dead loads of a sign. The 'at least' cue marks the lower limit for a code-compliant mix.

Common Questions

Is this updated for 2025?

Yes. All questions, code references, and study materials were last given a major update for the 2025 CSLB standards.

How long do I get access?

Enough time to take your exam 49 times — though most of our users pass on their first try! You get a full year of access for individual pass kits, or 1-year access to everything if you grab the All Licenses bundle.

What if I don't pass the exam?

Pass on your first try or it's free. We offer a no-BS, 1-click refund guarantee. If you don't pass, you get your money back instantly. View our refund policy here.

Do I need a textbook too?

Nope — we read the dense code books so you don't have to. Just grab your phone and an internet connection. That is everything you need.

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Instant access. As soon as you check out, you'll be dropped straight into our guided exam platform. Bookmark this page and study from anywhere, on any device, and pick up right where you left off. Sign in to access your courses.

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