Hawaii Treatment and Pumping Facilities (C-37e) Contractor License

The Treatment and Pumping Facilities (C-37e) Contractor License allows you to do the following work:

  • Equipment and piping systems in connection with:
    • Wastewater treatment
    • Water distribution
    • Water pumping facilities

If you are looking for a contractor's license with a broader scope of work, you may want to consider getting a Hawaii Plumbing (C-37) Contractor License instead.