Business & LicensingQuestion 398 of 1632
A contractor wants to install only plumbing systems in residential homes. Which license classification is appropriate?
a.A Class C specialty (C-36 Plumbing)
b.Class A General Engineering
c.Class B General Building
d.No license is required for plumbing work
Explanation
Class C licenses cover specialty trades, each limited to a specific craft. Plumbing is the C-36 specialty classification under §7058, separate from the general engineering and general building classes.
Law Reference: Bus. & Prof. Code §7058This 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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Reviewed by Abraham Chen — Licensed California General Contractor (CSLB License #1101856 — verify)