On public works, the standard apprentice-to-journeyman ratio a contractor must meet is at least:
Explanation
Labor Code §1777.5(g) and 8 CCR §230.1 require at least one hour of apprentice work for every five hours of journeyman work in the craft, measured over the duration of the project rather than shift by shift, unless the approved standard for that craft sets another ratio. One-for-one doubles the duty. One in ten halves it. A single apprentice for the whole project is not a ratio at all: the requirement scales with the journeyman hours actually worked.
Law Reference: Labor Code §1777.5(g); 8 CCR §230.1This topic, taught in full in the CSLB Law & Business guide. CSLB Law & Business — Complete Study Guide (2026) — PDF + EPUB, $24.99 · 14-day refund →
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