Plumbing Costs in Hawaii

Verified cost ranges across cities in Hawaii

Verified by 3 sourcesUpdated May 22, 2026

Plumbing Cost Comparison — Hawaii

Compare verified cost ranges across cities in Hawaii

Cost Comparison — Water Heater Installation

Hawaii3 sources

Low

$455

Typical

$1,366

High

$3,220

Honolulu3 sources

Low

$505

Typical

$1,515

High

$3,573

Cost Comparison — Water Heater Repair

Hawaii2 sources

Low

$50

Typical

$797

High

$2,000

Honolulu2 sources

Low

$55

Typical

$884

High

$2,219

Cost Comparison — Toilet Repair

Hawaii2 sources

Low

$50

Typical

$1,462

High

$3,900

Honolulu2 sources

Low

$55

Typical

$1,622

High

$4,327

Cost Comparison — Toilet Installation

Hawaii3 sources

Low

$188

Typical

$981

High

$2,389

Honolulu3 sources

Low

$209

Typical

$1,089

High

$2,651

Cost Comparison — Garbage Disposal Installation

Hawaii3 sources

Low

$134

Typical

$554

High

$1,223

Honolulu3 sources

Low

$149

Typical

$615

High

$1,357

Cost Comparison — Water Line Repair

Hawaii2 sources

Low

$150

Typical

$1,532

High

$4,000

Honolulu2 sources

Low

$166

Typical

$1,700

High

$4,438

Cost Comparison — Gas Line Repair

Hawaii2 sources

Low

$100

Typical

$919

High

$2,300

Honolulu2 sources

Low

$111

Typical

$1,020

High

$2,552

Cost Comparison — Water Softener Installation

Hawaii2 sources

Low

$794

Typical

$794

High

$892

Honolulu2 sources

Low

$880

Typical

$880

High

$990

Cost Comparison — Tankless Water Heater Installation

Hawaii3 sources

Low

$889

Typical

$2,113

High

$4,921

Honolulu3 sources

Low

$986

Typical

$2,344

High

$5,460

Cost Comparison — Bathtub Installation

Hawaii2 sources

Low

$653

Typical

$852

High

$1,555

Honolulu2 sources

Low

$724

Typical

$945

High

$1,726

Cost Comparison — Outdoor Spigot Installation

Hawaii2 sources

Low

$50

Typical

$447

High

$1,000

Honolulu2 sources

Low

$55

Typical

$496

High

$1,110

Cost Comparison — Dishwasher Installation

Hawaii3 sources

Low

$323

Typical

$1,103

High

$2,603

Honolulu3 sources

Low

$358

Typical

$1,224

High

$2,888

Cost Comparison — Bathroom Sink Installation

Hawaii3 sources

Low

$113

Typical

$706

High

$1,679

Honolulu3 sources

Low

$125

Typical

$784

High

$1,863

Cost Comparison — Kitchen Sink Installation

Hawaii2 sources

Low

$90

Typical

$1,511

High

$4,000

Honolulu2 sources

Low

$100

Typical

$1,676

High

$4,438

Cost Comparison — Pipe Repair

Hawaii2 sources

Low

$150

Typical

$1,882

High

$5,000

Honolulu2 sources

Low

$166

Typical

$2,088

High

$5,548

Cost Comparison — Sump Pump Installation

Hawaii2 sources

Low

$50

Typical

$1,497

High

$4,000

Honolulu2 sources

Low

$55

Typical

$1,661

High

$4,438

Browse Plumbing Costs by City in Hawaii

Select a city to see local pricing adjusted for cost of living.

All Plumbing Services

plumbing

Pipe Repair

Repair of leaking, cracked, or burst water or drain pipes in residential and commercial buildings. Includes locating the damaged section, cutting out the affected length, and fitting a replacement.

Cost data available

plumbing

Water Heater Installation

Supply and installation of a new tank-style or tankless water heater including removal of the old unit, pipe connections, and pressure-relief valve setup.

Cost data available

plumbing

Water Heater Repair

Diagnosis and repair of a malfunctioning water heater, covering heating element replacement, thermostat issues, anode rod replacement, and sediment flushing.

Cost data available

plumbing

Sump Pump Installation

Installation of a submersible or pedestal sump pump in a basement pit to prevent flooding. Includes pit excavation, pump mounting, and discharge pipe routing to the exterior.

Cost data available

plumbing

Toilet Repair

Diagnosis and repair of running, leaking, or clogged toilets, including flapper, fill valve, or wax ring replacement and unclogging.

Cost data available

plumbing

Toilet Installation

Supply and installation of a new toilet, including removal of the existing unit, new wax ring, supply line, and seat attachment.

Cost data available

plumbing

Garbage Disposal Installation

Installation of an under-sink garbage disposal unit including electrical connection, drain plumbing, and mounting bracket fitting.

Cost data available

plumbing

Water Line Repair

Excavation and repair or replacement of damaged main water supply lines running between the meter and the home.

Cost data available

plumbing

Gas Line Repair

Licensed repair of leaking or damaged natural gas or propane supply lines, including leak detection, section replacement, and pressure testing.

Cost data available

plumbing

Water Softener Installation

Installation of a whole-house ion-exchange water softener to reduce mineral hardness, including bypass valve, drain line, and brine tank setup.

Cost data available

plumbing

Tankless Water Heater Installation

Installation of an on-demand tankless water heater requiring upgraded gas line or electrical supply, venting, and condensate drain where applicable.

Cost data available

plumbing

Bathtub Installation

Supply and installation of a new alcove, drop-in, or freestanding bathtub including drain, overflow, and rough-in supply connections.

Cost data available

plumbing

Outdoor Spigot Installation

Installation of a frost-free hose bibb through an exterior wall with shut-off valve and back-flow protection.

Cost data available

plumbing

Dishwasher Installation

Hooking up a new dishwasher to existing supply, drain, and electrical connections under the counter, including testing for leaks.

Cost data available

plumbing

Bathroom Sink Installation

Supply and installation of a pedestal, vessel, or undermount bathroom sink with drain assembly, p-trap, and supply line connections.

Cost data available

plumbing

Kitchen Sink Installation

Drop-in or undermount kitchen sink installation including strainer, drain basket, p-trap, and supply line hookup.

Cost data available