Excavation permits and rules in Hawaii

What the state requires before and during excavation work, with the page each rule comes from. It's a summary of the published rules, not legal advice, and a county or city can add rules of its own.

Checked September 19, 2026

Calling 811 before you dig

Anyone digging in Hawaii has to notify Hawaii 811 before work starts. Call 811 at least 5 working days, and no more than 28 calendar days, before digging.1-2

Text of the law

The notice period under Haw. Rev. Stat. ch. 269E (notice at 269E-7): At least five working days but not more than twenty-eight calendar days prior to commencing excavation.1-2

Licensing

Hawaii licenses contractors through the Contractors License Board, Department of Commerce and Consumer Affairs (DCCA) Professional and Vocational Licensing Division. A license is needed for jobs over $1,500, counting labor and materials, and for any job that needs a building permit. C-17 excavating, grading, and trenching is a specialty classification, and an A general engineering contractor license covers earth-moving, excavating, grading and trenching and automatically includes C-17.3-6

Text of the law

Projects with an aggregate contract price for labor and materials over $1,500, or any project needing a building permit regardless of price.3-6

Stormwater and erosion control

A stormwater permit is needed at 1 acre, or less if part of a larger common plan of development or sale that will ultimately disturb 1 acre or more. Coverage is under the NPDES general permit for storm water associated with construction activity, Hawaii Administrative Rules chapter 11-55 Appendix C (Department of Health, Clean Water Branch).7-8

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Sources

  1. HRS 269E-7 Notification of excavation; inquiry identification number ↑
  2. Hawaii811 - Advance Notice Required - Ticketing & Tools ↑
  3. HRS 444-9 Licenses required ↑
  4. HRS 444-2 Exemptions ↑
  5. HRS 444-7 Classification ↑
  6. Hawaii Administrative Rules Title 16 Chapter 77, Contractors ↑
  7. NPDES General Permits - Clean Water Branch ↑
  8. Chapter 11-55 Appendix C, NPDES General Permit Authorizing Discharges of Storm Water Associated with Construction Activity ↑

What excavation costs in Hawaii

Published national ranges for the common jobs, the regional adjustment for Hawaii, and a planning estimate you can run for your own county.

Excavation costs in Hawaii

Contractors in Hawaii

Hawaii has 84 excavation contractors listed, and 52 of them hold an active USDOT registration. Browse them by county, or ask for quotes and we'll match you with excavation contractors near you.

Cite this page

“Excavation permits and rules in Hawaii.” LeaderExcavation.com, updated September 19, 2026. https://leaderexcavation.com/hi/rules/

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