Pass Your CSLB Exam Fast | Get Everything You Need
AmericasMarket

Fastest. No time wasted. Pass in 3–4 hours.

CSLB exam prep — the fastest specialty crash course on the internet.

An AI-built crash course that gets any skill level pass-ready in 3–4 hours total — ~110–140 min for the trade exam, ~80–120 min for Law & Business. Mobile-first, blueprint-matched mocks, printable cheat sheets, every CSLB classification.

Pick a license — $99 each Smartest Pick — All Licenses bundle — $499

One-time payment · 1-year access per course · lifetime access on the bundle · 7-day refund

Why us

Fastest. No time wasted. Pass in 3–4 hours.

Best prices, period

$99 per Exam Pass Kit or $499 for every Exam Pass Kit we publish — present and future.

Other CSLB prep providers charge $300–$700 per classification or lock you into a subscription. We sell one Exam Pass Kit for $99 and the whole catalog for $499, one-time.

Fastest path to pass

Pass-ready in 3–4 hours: ~110–140 min on the trade exam, ~80–120 min on Law & Business.

An AI-built crash course that walks you straight to the answer. No filler videos, no "30 minutes a day for two weeks" — sit down once, finish your Exam Pass Kit, walk into PSI. Our users go from zero to passing in a single afternoon.

Any skill level

Brand-new apprentice or 30-year journeyman — same crash course, same hours.

The AI meets you where you are and only spends time on what you actually need. No live classes, no enrollment windows. Open it on the truck, on lunch, on the couch — we save your spot.

Everything a contractor needs

Full practice question bank, full-length mocks, printable cheat sheets, and step-by-step guidance.

AI crash-course question bank, blueprint-matched 115-question timed mocks, single-page cheat sheets you can print and bring to the truck, and walk-through guidance from application to test day.

Any classification

Law & Business, B General Building, and every C-class trade.

One product covers every CSLB classification. The Smartest Pick — All Licenses bundle also includes every other state’s Law & Business exam as we roll them out (TX, FL, NV, AZ next).

What you get

Everything a contractor actually needs.

Practice exams, printable cheat sheets, plain-English guidance, and a study plan that adapts to you — all in one product, at your own pace.

  • AI crash-course question bank

    AI-prioritized drilling per topic. The system tracks your accuracy and only spends time where you actually need it — no filler.

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  • Full-length timed practice exams

    115 questions, 3.5 hours, blueprint-matched to the real CSLB exam. As many attempts as you want.

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  • Printable cheat sheets

    One-page references for measurements, conversions, codes, and trade-specific formulas. Print on 9×16 and bring them anywhere.

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  • Step-by-step guidance

    Plain-English walk-through from picking your classification to fingerprinting, scheduling, and test day.

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  • One-sitting crash course

    Sit down once, finish your Exam Pass Kit, walk into PSI. No live classes, no cohort start dates — and if you do step away, we save your spot.

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  • Mobile-first

    Built for phones first. Practice on the job site, on lunch, in the truck — not at a desktop.

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What CSLB exam prep actually is

The California contractor exam, demystified.

The California Contractors State License Board (CSLB) administers two exams for almost every licensed classification: a state-specific Law & Business exam and a trade exam matched to your classification (B General Building, or any of the C-class specialty trades). Both are closed-book, multiple choice, computer-based, and given at PSI testing centers. The exams sample from public CSLB study materials and California code references — there is no secret bank of questions.

What "prep" means in practice: drilling thousands of paraphrased questions in the same blueprint weights the real exam uses, until you can answer the average item in under 60 seconds and explain why each answer is correct.

  • Law & Business: required for every classification, regardless of trade.
  • Trade exam: B General Building or a C-class specialty (C-10 Electrical, C-36 Plumbing, etc.).
  • Both are computer-based, multiple-choice, ~115 questions, ~3.5 hours.
  • 73% is passing on the trade exam at time of writing — verify on the CSLB site for your classification.

How AmericasMarket prep works

AI crash course + full-length mocks + cheat sheets.

Three loops, in this order. (1) The AI crash course drills the question bank in priority order, weighted toward your weakest topics from the first minute. (2) Full-length timed practice exams simulate test day: 115 questions, 3.5 hour clock, no pause. (3) Single-page cheat sheets compress the magic numbers — board feet, decimal feet, roof pitch, code constants — into something you can print and glance at on the way to PSI.

You run all three in a single sitting. The crash course is engineered to land you pass-ready in ~110–140 minutes on the trade exam and ~80–120 minutes on Law & Business — 3–4 hours total. One afternoon, not two weeks.

Coverage

Every classification, one platform.

We cover the California Law & Business exam, B General Building, and every C-class trade — from C-10 Electrical and C-36 Plumbing to C-46 Solar and C-57 Well Drilling. One classification is $99 with 1-year access. The $499 Smartest Pick — All Licenses bundle unlocks every classification (and every state's Law & Business exam we publish in the future) for life. There are no per-attempt fees on the practice exams.

FAQ

Frequently asked

Is AmericasMarket CSLB-approved?

No prep provider is "CSLB-approved" — the CSLB does not endorse third-party prep. We are written and reviewed by licensed California contractors using public CSLB study materials. Sharing actual exam questions is a CSLB policy violation and we do not do it.

How many questions are on the real CSLB exam?

Most CSLB exams are about 115 multiple-choice questions, given 3.5 hours, with 73% required to pass on the trade exam (the Law & Business pass mark and counts vary slightly — verify on the CSLB site for your classification).

Do I need to take Law & Business if I have a trade?

Yes. Every CSLB classification requires the Law & Business exam in addition to the trade exam, regardless of trade. The Smartest Pick — All Licenses bundle includes Law & Business — single-course buyers can add it separately.

How long should I study?

One afternoon. The crash course is engineered to get any skill level pass-ready in 3–4 hours total: ~110–140 minutes on the trade exam, ~80–120 minutes on Law & Business. You sit down once, finish it, and walk into PSI. We are the fastest specialty CSLB prep on the internet.

Can I retake the real exam if I fail?

Yes. CSLB allows multiple retakes (with a small reschedule fee per attempt). Your AmericasMarket course access is a full year on single courses and lifetime on the bundle — plenty of room for a retake.

Keep reading

Related guides.

Ready to pass — at your own pace?

$99 for a single classification. $499 for every Exam Pass Kit we publish, lifetime. 7-day refund if you have answered fewer than 25 questions.

Pick a license — $99 each → Smartest Pick — All Licenses bundle — $499