Hawaii Sewer and Drain Line (C-37a) Contractor License

The Sewer and Drain Line (C-37a) Contractor License allows you to do the following work:

• Install sewer line from the hmes to city sewer
• City sewer connections
• Septic tanks
• Package sewage treatment plants
• Related work within property lines

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’s License instead.