Classification C-28
California C-28 — Lock and Security Equipment Exam Prep
California Lock and Security Equipment (C-28) applicants take two California exams: the shared Law & Business exam and the C-28 trade exam. We prep you for both.
Lock and Security Equipment + Law & Business bundle — $149
Both exams covered: the C-28 trade bank and the full Law & Business course. Instant access to everything.
Official resources
- Contractors State License Board (CSLB)
- Official California examination study guides
- PSI Services (exam administration)
ContractorPrepHQ is an independent study platform and is not affiliated with Contractors State License Board (CSLB) or PSI Services. Verify current exam requirements with the licensing authority.