Data
Plumbing companies in Hawaii
There are 631 plumbing companies in Hawaii (CityPreferred count, October 2026). Honolulu has the most (168), then Waipahu (36).
Reviewed October 1, 2026
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Hawaii cities
| City | Companies |
|---|---|
| Honolulu | 168 |
| Waipahu | 36 |
| Kailua | 34 |
| Kaneohe | 30 |
| Hilo | 30 |
| Kailua-kona | 22 |
Hawaii and the rest of the country
Hawaii has 631 of the 185,402 plumbing companies in the country (0%). All states.
What is counted
Independent businesses that do this work, for homes or for businesses. Suppliers, stores and national chains are left out. Being counted does not mean a company is licensed, insured or recommended. A city is listed when it has 20 or more. How we count.
Questions and answers
- How many plumbing companies are there in Hawaii?
- 631, by CityPreferred's count as of October 2026.
- Which Hawaii city has the most?
- Honolulu, with 168, followed by Waipahu with 36.