Hawaii contractor license classes
The Hawaii Contractors License Board issues 6 license classes and certifications. Find yours below. (source: Requirements for License, Sole Proprietor (opens in a new tab))
Check a license on the CLB website (official site, opens in a new tab)
How: Request a license verification from the Professional and Vocational Licensing Division, and check the classification fits the job. (source: Hawaii Contractors License Board (opens in a new tab))
Checked against official Hawaii Contractors License Board sources. See sources.
All license classes
| Class | Name | Covers |
|---|---|---|
| A | General Engineering | Class A license (source: Requirements for License, Sole Proprietor (opens in a new tab)) |
| B | General Building | Class B license (source: Requirements for License, Sole Proprietor (opens in a new tab)) |
| C-13 | Electrical contractor | Specialty (source: Requirements for License, Sole Proprietor (opens in a new tab)) |
| C-37 | Plumbing contractor | Specialty (source: Requirements for License, Sole Proprietor (opens in a new tab)) |
| C-42 | Roofing contractor | Specialty (source: Requirements for License, Sole Proprietor (opens in a new tab)) |
| C-52 | Ventilating and air conditioning contractor | Specialty (source: Requirements for License, Sole Proprietor (opens in a new tab)) |
Sources and last verified
Last verified: . Next check due: . Every fact on this page links to one of these official pages.
- Hawaii Contractors License Board (opens in a new tab) (checked Oct 24, 2026)
- Requirements for License, Sole Proprietor (opens in a new tab) (checked Oct 24, 2026)
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