General Engineering (A) Contractor License Guide
The General Engineering (A) license covers fixed works requiring specialized engineering knowledge. Here is an overview.
Last reviewed July 22, 2026
What the A license covers
General engineering contractors handle fixed works such as infrastructure and specialized engineering projects. Confirm the exact scope with CSLB.
Qualifying and testing
Document qualifying experience, then pass the trade exam and the universal Law & Business exam.
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How is A different from B?
A focuses on engineering fixed works while B focuses on building structures. See the classifications overview for detail.