Plumbing Costs in Delaware

Verified cost ranges across cities in Delaware

Verified by 3 sourcesUpdated May 22, 2026

Plumbing Cost Comparison — Delaware

Compare verified cost ranges across cities in Delaware

Cost Comparison — Water Heater Installation

Delaware3 sources

Low

$455

Typical

$1,351

High

$3,220

Dover3 sources

Low

$444

Typical

$1,318

High

$3,139

Wilmington3 sources

Low

$467

Typical

$1,386

High

$3,302

Cost Comparison — Water Heater Repair

Delaware2 sources

Low

$50

Typical

$782

High

$2,000

Dover2 sources

Low

$49

Typical

$763

High

$1,950

Wilmington2 sources

Low

$51

Typical

$802

High

$2,051

Cost Comparison — Toilet Repair

Delaware2 sources

Low

$50

Typical

$1,447

High

$3,900

Dover2 sources

Low

$49

Typical

$1,411

High

$3,803

Wilmington2 sources

Low

$51

Typical

$1,484

High

$3,999

Cost Comparison — Toilet Installation

Delaware3 sources

Low

$188

Typical

$967

High

$2,389

Dover3 sources

Low

$184

Typical

$943

High

$2,330

Wilmington3 sources

Low

$193

Typical

$992

High

$2,450

Cost Comparison — Garbage Disposal Installation

Delaware3 sources

Low

$134

Typical

$540

High

$1,223

Dover3 sources

Low

$131

Typical

$526

High

$1,192

Wilmington3 sources

Low

$137

Typical

$554

High

$1,254

Cost Comparison — Water Line Repair

Delaware2 sources

Low

$150

Typical

$1,517

High

$4,000

Dover2 sources

Low

$146

Typical

$1,480

High

$3,900

Wilmington2 sources

Low

$154

Typical

$1,556

High

$4,102

Cost Comparison — Gas Line Repair

Delaware2 sources

Low

$100

Typical

$905

High

$2,300

Dover2 sources

Low

$98

Typical

$882

High

$2,243

Wilmington2 sources

Low

$103

Typical

$928

High

$2,359

Cost Comparison — Water Softener Installation

Delaware2 sources

Low

$794

Typical

$794

High

$892

Dover2 sources

Low

$774

Typical

$774

High

$870

Wilmington2 sources

Low

$814

Typical

$814

High

$915

Cost Comparison — Tankless Water Heater Installation

Delaware3 sources

Low

$889

Typical

$2,098

High

$4,921

Dover3 sources

Low

$867

Typical

$2,046

High

$4,798

Wilmington3 sources

Low

$911

Typical

$2,152

High

$5,046

Cost Comparison — Bathtub Installation

Delaware2 sources

Low

$653

Typical

$838

High

$1,555

Dover2 sources

Low

$636

Typical

$817

High

$1,516

Wilmington2 sources

Low

$669

Typical

$859

High

$1,595

Cost Comparison — Outdoor Spigot Installation

Delaware2 sources

Low

$50

Typical

$432

High

$1,000

Dover2 sources

Low

$49

Typical

$422

High

$975

Wilmington2 sources

Low

$51

Typical

$443

High

$1,026

Cost Comparison — Dishwasher Installation

Delaware3 sources

Low

$323

Typical

$1,089

High

$2,603

Dover3 sources

Low

$315

Typical

$1,062

High

$2,538

Wilmington3 sources

Low

$331

Typical

$1,117

High

$2,669

Cost Comparison — Bathroom Sink Installation

Delaware3 sources

Low

$113

Typical

$692

High

$1,679

Dover3 sources

Low

$110

Typical

$675

High

$1,637

Wilmington3 sources

Low

$115

Typical

$710

High

$1,722

Cost Comparison — Kitchen Sink Installation

Delaware2 sources

Low

$90

Typical

$1,496

High

$4,000

Dover2 sources

Low

$88

Typical

$1,459

High

$3,900

Wilmington2 sources

Low

$92

Typical

$1,535

High

$4,102

Cost Comparison — Pipe Repair

Delaware2 sources

Low

$150

Typical

$1,867

High

$5,000

Dover2 sources

Low

$146

Typical

$1,821

High

$4,876

Wilmington2 sources

Low

$154

Typical

$1,915

High

$5,128

Cost Comparison — Sump Pump Installation

Delaware2 sources

Low

$50

Typical

$1,482

High

$4,000

Dover2 sources

Low

$49

Typical

$1,446

High

$3,900

Wilmington2 sources

Low

$51

Typical

$1,520

High

$4,102

Browse Plumbing Costs by City in Delaware

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