A Class B General Building Contractor license allows the holder to perform which type of construction work in California?
Correct Answer
A) Any building or construction project requiring two or more unrelated trades
Business and Professions Code Section 7057 defines a Class B contractor as one whose license authorizes the performance of any building or construction project that requires two or more unrelated trades, with no monetary limit restrictions. This is the broadest classification of contractor license in California.
Why This Is the Correct Answer
Business and Professions Code Section 7057 defines a Class B General Building Contractor as one who may perform any building or construction project requiring two or more unrelated trades or crafts. There is no monetary cap or project-type restriction — it is the broadest contractor license classification in California.
Why the Other Options Are Wrong
Option B: Only residential construction projects under $50,000
There is no $50,000 monetary limit associated with a Class B license. Dollar thresholds appear in other contexts (e.g., home improvement contract requirements), not in the B license scope definition.
Option C: Commercial projects only, excluding single-family residences
A Class B license is not limited to commercial projects. Single-family residential construction is explicitly within scope. This answer incorrectly conflates license class with a project-type restriction that does not exist.
Option D: Specialty work in electrical, plumbing, and HVAC trades only
Electrical, plumbing, and HVAC are C-class specialty contractor licenses (C-10, C-36, C-20). A Class B license holder can oversee projects that include these trades but cannot self-perform them without the corresponding C license.
Memory Technique
Class B = 'Building anything that needs multiple Trades.' The letter B stands for 'Broad' — broadest building license, no dollar limit, no project-type restriction.
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Which of the following activities is exempt from California contractor licensing requirements under Business and Professions Code Section 7048?
Under Cal/OSHA regulations in Title 8 CCR Section 5192, Safety Data Sheets (SDS) for hazardous chemicals used on construction sites must be readily accessible to employees during which hours?
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