Honolulu metro

Plumbing Services in Honolulu, HI

Groundwater supplied by the Board of Water Supply, high-rise condos, salt-air corrosion, termites, solar water heaters, and Hawaii’s cesspool conversion deadline.

Plumber with glasses examining a fixture
Plumbing in Honolulu at a glanceHonolulu’s drinking water comes from groundwater aquifers managed by the Board of Water Supply (BWS). After the 2021 Red Hill fuel leak contaminated the Navy’s water system, BWS shut down some of its nearby wells as a precaution, and water conservation requests have followed in some periods. Housing ranges from high-rise condos in Waikiki, Kakaako and downtown to single-family homes in Manoa, Kaimuki and the windward side.

Salt air corrodes exposed metal plumbing, outdoor fixtures and water heater fittings, and termites damage wood framing that supports pipes. Hawaii requires most new single-family homes to have solar water heating, so solar collectors, storage tanks and backup elements are common service items. Some properties still use cesspools, which state law requires to be upgraded or converted by 2050.

Clean white bathroom with tub, shower valve and vanity

Housing & construction

High-rise condos in Waikiki, Kakaako and downtown, older single-family homes in Manoa, Kaimuki and Kalihi, and newer homes in east Honolulu.

Plumbing services in Honolulu

Also common in Honolulu: drain cleaning, leak detection.

What makes Honolulu plumbing different

01

Salt-air corrosion

Exposed metal pipe, valves and fixtures corrode quickly near the ocean.

02

Solar water heaters

Common by law in newer homes; tanks, pumps and controllers need service.

03

High-rise condos

Shared risers and building rules shape every repair.

04

Cesspools

State law requires cesspools to be upgraded or converted by 2050.

Seasonal plumbing calendar for Honolulu

  1. Kona storms and heavy rainIntense rain tests drainage and can overwhelm low-lying systems.
  2. Hurricane seasonKnow your shutoffs and secure solar and outdoor equipment.

Plumbing emergency in Honolulu?

  1. Close the main water shutoff, or the fixture valve if the problem is in one place.
  2. Stay away from water near outlets or the electrical panel.
  3. For sewage backups, stop using all drains.
  4. If you smell gas, leave and call the gas utility or 911 from outside.
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Honolulu plumbing questions

Who supplies water in Honolulu?

The Honolulu Board of Water Supply, which draws from groundwater aquifers.

Do I have to convert my cesspool in Hawaii?

Hawaii law requires cesspools to be upgraded or converted by 2050, and some properties face earlier requirements at sale; check current state rules.

Why do pipes corrode so fast in Honolulu?

Salt air attacks exposed metal, especially near the ocean; corrosion-resistant materials and coatings help.

Nearby service areas

We also serve communities around Honolulu, including Pearl City, Aiea, Kailua, Kaneohe, Hawaii Kai, Waipahu.

Need a plumber today?

One call connects you with plumbing help in your area.

Call now(866) 417-0220
Call now(866) 417-0220