Plumbing Costs in St. Louis, MO

Verified cost ranges for plumbing in St. Louis

Verified by 3 sourcesUpdated April 11, 2026

Plumbing Costs in St. Louis

Cost ranges verified from official sources

Water Heater Installation

St. Louis, MO

3 sources

Low

$433

Average

$1,283

High

$3,062

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Water Heater Repair

St. Louis, MO

2 sources

Low

$48

Average

$742

High

$1,902

Bureau of Labor StatisticsFixr

Updated Apr 2026

Toilet Repair

St. Louis, MO

2 sources

Low

$48

Average

$1,374

High

$3,709

Bureau of Labor StatisticsFixr

Updated Apr 2026

Toilet Installation

St. Louis, MO

3 sources

Low

$179

Average

$917

High

$2,272

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Garbage Disposal Installation

St. Louis, MO

3 sources

Low

$127

Average

$511

High

$1,163

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Water Line Repair

St. Louis, MO

2 sources

Low

$143

Average

$1,441

High

$3,804

Bureau of Labor StatisticsFixr

Updated Apr 2026

Gas Line Repair

St. Louis, MO

2 sources

Low

$95

Average

$858

High

$2,187

Bureau of Labor StatisticsFixr

Updated Apr 2026

Bathroom Plumbing Rough-In

St. Louis, MO

2 sources

Low

$48

Average

$5,373

High

$15,133

Bureau of Labor StatisticsFixr

Updated Apr 2026

Kitchen Plumbing Rough-In

St. Louis, MO

2 sources

Low

$67

Average

$3,411

High

$9,509

Bureau of Labor StatisticsFixr

Updated Apr 2026

Water Softener Installation

St. Louis, MO

3 sources

Low

$401

Average

$1,513

High

$3,752

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Tankless Water Heater Installation

St. Louis, MO

3 sources

Low

$845

Average

$1,993

High

$4,679

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Bathtub Installation

St. Louis, MO

2 sources

Low

$621

Average

$794

High

$1,479

Bureau of Labor StatisticsHomewyse

Updated Apr 2026

Water Main Repair

St. Louis, MO

2 sources

Low

$143

Average

$1,441

High

$3,804

Bureau of Labor StatisticsFixr

Updated Apr 2026

Outdoor Spigot Installation

St. Louis, MO

2 sources

Low

$48

Average

$409

High

$951

Bureau of Labor StatisticsFixr

Updated Apr 2026

Dishwasher Installation

St. Louis, MO

3 sources

Low

$307

Average

$1,033

High

$2,475

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Bathroom Sink Installation

St. Louis, MO

3 sources

Low

$107

Average

$656

High

$1,596

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Kitchen Sink Installation

St. Louis, MO

2 sources

Low

$86

Average

$1,421

High

$3,804

Bureau of Labor StatisticsFixr

Updated Apr 2026

Pipe Repair

St. Louis, MO

2 sources

Low

$143

Average

$1,774

High

$4,755

Bureau of Labor StatisticsFixr

Updated Apr 2026

Sump Pump Installation

St. Louis, MO

2 sources

Low

$48

Average

$1,408

High

$3,804

Bureau of Labor StatisticsFixr

Updated Apr 2026

French Drain Installation

St. Louis, MO

2 sources

Low

$48

Average

$6,067

High

$17,116

Bureau of Labor StatisticsFixr

Updated Apr 2026

Understanding Plumbing Costs in St. Louis

Water heater installation costs in St. Louis vary significantly based on the complexity of the job, local labor availability, and regional factors. The wide range from approximately $433 to $3,062 reflects differences in equipment quality, installation difficulty, permit requirements, and contractor expertise. St. Louis's moderate cost of living and competitive plumbing market create mid-range pricing compared to national averages, though specific project requirements can push costs toward either end of the spectrum.

How St. Louis Compares

*Based on aggregated cost data from multiple sources

Frequently Asked Questions — Plumbing Costs in St. Louis

View Plumbing Costs in Other Cities in MO