# Plumbing companies in Hawaii

There are **631 plumbing companies** in Hawaii (CityPreferred count, October 2026). Honolulu has the most (168), then Waipahu (36).

## Hawaii cities

**Plumbing companies in Hawaii by city, October 2026**

| 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](https://citypreferred.com/data/plumbing).

## 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](https://citypreferred.com/data-methodology).

## 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.

## Need a company for this?

Tell CityPreferred the job and your ZIP code at https://citypreferred.com/request. A person checks the request and one local company that does that kind of work contacts you. Free for you; the company pays CityPreferred. Details: https://citypreferred.com/how-we-are-paid

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Canonical page: https://citypreferred.com/data/plumbing/hi

Last reviewed: 2026-10-01

Publisher: CityPreferred (https://citypreferred.com)