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Hawaii

Plumbers in Honolulu, HI

20 local plumbing businesses based within about 25 miles of Honolulu, listed A to Z with phone numbers, addresses and services. Paid placements are labeled.

Towns these plumbers name on their own websites: Oahu, Kapolei, Pearl City, Kailua, Kaneohe, Mililani, Waipahu, Aiea, Ewa Beach, Waikiki, Wahiawa

20 listed9 say 24/7 emergency10 drain cleaning17 commercial
See the listLeaking now? What to do first

Water pouring in right now?

Shut off the main water valve first, then call a plumber below that says it takes emergency calls. If you smell gas, leave the building and call 911 or your gas utility from outside.

Emergency steps

The list

Honolulu plumbers, A to Z

Filter by what each business says on its own website. “Says 24/7 emergency” means its site says so – call to confirm before you rely on it.

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Your plumbing business, Honolulu

The one City Spotlight place for Honolulu sits here, above the A to Z list. Requests sent from this page for areas the Spotlight plumber serves go to it. Offered only to plumbers that pass our listing rules. How it works

535 Plumbing

Based in Honolulu, HI · 1130 N. Nimitz Highway, Suite B-180, Honolulu, HI 96817

Names on its website: Oahu

HomesBusinessesDrain cleaningWater heatersSewer linesLeak detectionRepipingFixturesRemodelsBackflow testingHydro jettingCamera inspection

License number shown on its website: CT-34954

(808) 300-0535Website

Is this your business? Update or remove it

All Aloha Plumbing

Based in Waipahu, HI · 94-150 Leoleo St Ste A1118, Waipahu, HI 96797

Names on its website: Honolulu, Pearl City, Kapolei, Ewa Beach, Oahu

Says 24/7 emergencyHomesBusinessesDrain cleaningWater heatersTankless water heatersSewer linesLeak detectionSlab leaksRepipingGas linesFixturesRemodelsWater treatmentBackflow testingHydro jetting

License number shown on its website: CT-36812

(808) 466-0000Website

Is this your business? Update or remove it

Allens Plumbing

Based in Honolulu, HI · 401 Puuhale Rd., Honolulu, HI 96819

Names on its website: Pearl City, Kailua, Kapolei, Ewa Beach, Waipahu, Aiea, Kaneohe, Mililani

Says 24/7 emergencyHomesBusinessesDrain cleaningWater heatersTankless water heatersSewer linesLeak detectionRepipingGas linesFixturesRemodelsWater treatmentBackflow testingHydro jettingSump pumps

License number shown on its website: C-20933

(808) 599-5511Website

Is this your business? Update or remove it

Emergency Plumbing & Solar

Based in Pearl City, HI

Names on its website: Honolulu, Kailua, Kaneohe, Waikiki, Kapolei, Mililani, Wahiawa

Says 24/7 emergencyHomesWater heatersTankless water heatersLeak detectionSlab leaksRepipingGas linesWater treatmentBackflow testing

License number shown on its website: CT-33913

(808) 824-4306Website

Is this your business? Update or remove it

Furuta Plumbing

Based in Aiea, HI · 98-023 Hekaha Street #11, Aiea, HI 96701

Names on its website: Oahu island-wide

Says 24/7 emergencyHomesBusinessesDrain cleaningWater heatersSewer linesRepipingFixturesBackflow testingHydro jettingCamera inspection

License number shown on its website: C-36422

(808) 546-0940Website

Is this your business? Update or remove it

Nu Flow South Pacific LLC

Based in Honolulu, HI · 1888 Kalakaua, #C-312, Honolulu, HI 96815

Names on its website: Oahu, Kihei, Kailua-Kona, Waimea, Lihue

BusinessesDrain cleaningSewer linesLeak detectionRepipingHydro jetting

License number shown on its website: C-37183 · Franchise location (Nu Flow)

(808) 426-7924Website

Is this your business? Update or remove it

P&S Plumbing (Honolulu)

Based in Honolulu, HI · 1714 Homerule Street 1, Honolulu, HI 96819

Names on its website: Kalihi, Kakaako, Ala Moana, Waikiki, Manoa, Aiea, Pearl City, Waipahu, Mililani, Kaimuki and more

Says 24/7 emergencyHomesBusinessesDrain cleaningWater heatersSewer linesLeak detectionFixturesRemodelsHydro jetting

License number shown on its website: CT-35710

(808) 842-0345Website

Is this your business? Update or remove it

Roto-Rooter Plumbing & Water Cleanup

Based in Honolulu, HI · 3049 Ualena St Ste 713, Honolulu, HI 96819

Names on its website: Urban Honolulu, East Honolulu, Pearl City, Waimalu, Mililani, Kailua, Kaneohe, Waimanalo Beach, Hickam Housing, Kaaawa and more

Says 24/7 emergencyHomesBusinessesDrain cleaningWater heatersSewer linesHydro jettingSump pumps

License number shown on its website: MP: C-18126, MP: CT-36439 · Franchise location (Roto-Rooter)

(808) 842-5680Website

Is this your business? Update or remove it

Shoreline Plumbing LLC

Based in Honolulu, HI

Names on its website: Pearl City, Kapolei, Kailua, Kaneohe, Waipahu, Aiea, Mililani, Ewa Beach, Hickam

HomesBusinessesDrain cleaningWater heatersTankless water heatersSewer linesLeak detectionRepipingGas linesFixturesWater treatmentBackflow testingHydro jetting

License number shown on its website: #37423

(808) 445-3585Website

Is this your business? Update or remove it

Details on this page come from each business’s own website, checked October 2026. Free listings are shown alphabetically. How we list · Update or remove a listing

Before you call

Common plumbing problems in Honolulu

Safe first steps for the problems plumbers are called about most, with official sources. All plumbing guides.

Clogged drain: what to try first, and what to avoidMost single clogged drains are hair, grease or soap near the top of the pipe. Here is what to try, what to stay away from, and the signs the problem is deeper.Water heater leaking? What to do right nowA leaking water heater can be a loose fitting, a relief valve doing its job, or a tank that has failed. Shut it off safely first, then find out which.How to find a hidden water leakA higher water bill or the sound of water running when nothing is on are the usual first clues. Your water meter can tell you in two hours whether you have a leak.Running toilet? How to find the cause and stop itA toilet that keeps running or refills on its own is wasting water around the clock. The cause is almost always inside the tank, and you can find it in a few minutes.

Before you hire

Checking a plumber in the Honolulu area

Plumber licenses in Hawaii

Plumbers are licensed by the state.

Who licenses: Hawaii Board of Electricians and Plumbers (Department of Commerce and Consumer Affairs, Professional and Vocational Licensing Division)

License types: Journey Worker Plumber, Master Plumber.

Businesses: A separate contractor's license from Hawaii's Contractors License Board (the C-37 Plumbing contractor classification or a C-37 specialty) is required to contract for plumbing work, with only a narrow exception for licensed plumbers.

Check a license: mypvl.dcca.hawaii.gov

Use the state's license search to confirm both the company's contractor license (C-37 Plumbing) and the individual plumber's license, and check that the contractor has insurance on file.

We could not confirm every detail from Hawaii’s own sources, so treat this as a starting point and check with the agency.

Sources: cca.hawaii.gov, cca.hawaii.gov, cca.hawaii.gov, cca.hawaii.gov. Checked October 2026 from official sources. This is not legal advice.

Questions to ask

Ask every plumber the same questions: license number, insurance, a written itemized estimate, after-hours rates, who pulls the permit, and the warranty on labor. All eight questions.

Questions

Honolulu plumber questions

How many plumbers are listed in Honolulu?

20 plumbing businesses, each based within about 25 miles of Honolulu. They are listed alphabetically.

Which Honolulu plumbers say they offer 24/7 emergency service?

9 of the businesses listed here say on their own website that they offer 24/7 or 24-hour emergency service: Alaka’i Mechanical Corp, All Aloha Plumbing, Allens Plumbing, Emergency Plumbing & Solar, Furuta Plumbing, JBC Plumbing, P&S Plumbing (Honolulu), Rayco Plumbing, Roto-Rooter Plumbing & Water Cleanup. Call to confirm availability and after-hours rates.

Do plumbers in Honolulu need a license?

Hawaii licenses plumbers statewide through the Hawaii Board of Electricians and Plumbers (Department of Commerce and Consumer Affairs, Professional and Vocational Licensing Division). Check a license at mypvl.dcca.hawaii.gov.

Which plumbers here do commercial work?

17 of the listed businesses say on their own website that they work on commercial properties. Use the Commercial filter above the list.

Nearby metro areas: Los Angeles, CA · Riverside, CA · San Francisco, CA · San Diego, CA · Sacramento, CA · San Jose, CA · Fresno, CA · Bakersfield, CA. All of Hawaii.

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