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CSLB Law & Business — Complete Study Guide (2026)

All 7 exam sections, written to current 2026 law — the numbers the outdated books still get wrong. PDF + EPUB.

CSLB Class B General Building — Trade Exam Study Guide (2026)

The CSLB Class B General Building TRADE exam (the craft half, distinct from Law & Business) — plans & estimating, framing & structural, core trades, finish trades, and Cal/OSHA safety. 58 worked examples with the arithmetic shown, 130 original practice questions, and every chapter closing on its own cited Sources list. Written to the 2025 California Building Standards Code effective 2026-01-01, which renumbered much of CRC Chapter 3 — guards R312 became R321, stairs R311.7 became R318.7 — so material written to the 2022 code cites sections that no longer exist. Every figure that moves by code cycle is flagged verify-current. AI-assisted study aid. PDF + EPUB.

CSLB Class C-10 Electrical — Trade Exam Study Guide (2026)

The CSLB Class C-10 Electrical TRADE exam — services & distribution, branch circuits & wiring methods, equipment & systems, testing/troubleshooting, and safety, with every NEC/CEC calc worked (ampacity, box & conduit fill, grounding, motors, voltage drop) and 65 original practice questions. Code numbers are edition-sensitive — verify against the adopted CEC. AI-assisted study aid. PDF + EPUB.

CSLB C-20 HVAC Trade Exam Study Guide (2026)

The C-20 trade exam asks a working installer to prove it on paper. This guide covers load and duct design, installation practice, the refrigeration cycle through the A2L transition, diagnostics, and the code and safety rules — with the numbers that move each code cycle flagged rather than stated as permanent. PDF + EPUB.

CSLB C-27 Landscaping Trade Exam Study Guide (2026)

Two things sink C-27 candidates: which backflow assembly a hazard actually requires, and where the classification stops and electrical or plumbing begins. This guide teaches both concretely, alongside MWELO-compliant irrigation design, soils and plant health, grading and drainage, and Title 8 trenching. PDF + EPUB.

CSLB C-33 Painting Trade Exam Study Guide (2026)

Coating failures are diagnosable if you know what the substrate was doing before you got there. This guide teaches surface prep, coatings chemistry, application and film quality, estimating — and gives lead the full chapter it warrants, from the RRP work practices to the Cal/OSHA action level and medical removal. PDF + EPUB.

CSLB Class C-36 Plumbing — Trade Exam Study Guide (2026)

The CSLB Class C-36 Plumbing TRADE exam — water supply & distribution, drainage-waste-vent (DWV), fixtures & water heaters, fuel gas, and safety, with DFU/WSFU sizing, the trap-to-vent table, slopes, T&P discharge, and CALGreen flow limits, and 60 original practice questions. Code numbers are edition-sensitive — verify against the adopted CPC. AI-assisted study aid. PDF + EPUB.

CSLB Law & Business — Cram Sheet (2026)

A printable cram packet for the California CSLB Law & Business exam. Every rule in it is free to read on PrepPass — what this buys is the arrangement: every day-count, dollar figure and percentage pulled out of its chapter and grouped by value, so the numbers the exam confuses sit side by side; a RECALL twin of every sheet with the figures blanked, so you write each one instead of re-reading it; a concept self-test; four routes through the same pages for 14 days, 7 days, 3 days or tonight; and a fold-out exam-morning card. US Letter, print double-sided. California law changes — every page carries the date its figures were checked.