How much does it cost to hire a plumber per hour?

Plumbers typically charge $45–$200 per hour depending on your location and the complexity of the work. Emergency calls and after-hours service cost more.

What factors affect plumbing repair costs?

Key factors include labor rates in your area, accessibility of pipes, severity of the issue, materials needed, and whether work is required in walls or under the slab.

Is a permit required for plumbing work?

Major plumbing work such as new lines, water heater replacement, or sewer repairs typically require a permit. Always ask your plumber about permit requirements before work begins.

Plumbing Costs in Knoxville, TN

Verified cost ranges for plumbing in Knoxville

Verified by 3 sourcesUpdated April 11, 2026

Plumbing Costs in Knoxville

Cost ranges verified from official sources

Water Heater Installation

Knoxville, TN

3 sources

Low

$421

Average

$1,245

High

$2,980

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Water Heater Repair

Knoxville, TN

2 sources

Low

$46

Average

$718

High

$1,851

Bureau of Labor StatisticsFixr

Updated Apr 2026

Toilet Repair

Knoxville, TN

2 sources

Low

$46

Average

$1,334

High

$3,610

Bureau of Labor StatisticsFixr

Updated Apr 2026

Toilet Installation

Knoxville, TN

3 sources

Low

$174

Average

$889

High

$2,212

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Garbage Disposal Installation

Knoxville, TN

3 sources

Low

$124

Average

$494

High

$1,132

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Water Line Repair

Knoxville, TN

2 sources

Low

$139

Average

$1,399

High

$3,703

Bureau of Labor StatisticsFixr

Updated Apr 2026

Gas Line Repair

Knoxville, TN

2 sources

Low

$93

Average

$832

High

$2,129

Bureau of Labor StatisticsFixr

Updated Apr 2026

Bathroom Plumbing Rough-In

Knoxville, TN

2 sources

Low

$46

Average

$5,226

High

$14,732

Bureau of Labor StatisticsFixr

Updated Apr 2026

Kitchen Plumbing Rough-In

Knoxville, TN

2 sources

Low

$65

Average

$3,317

High

$9,257

Bureau of Labor StatisticsFixr

Updated Apr 2026

Water Softener Installation

Knoxville, TN

3 sources

Low

$390

Average

$1,469

High

$3,653

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Tankless Water Heater Installation

Knoxville, TN

3 sources

Low

$823

Average

$1,936

High

$4,555

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Bathtub Installation

Knoxville, TN

2 sources

Low

$604

Average

$769

High

$1,440

Bureau of Labor StatisticsHomewyse

Updated Apr 2026

Water Main Repair

Knoxville, TN

2 sources

Low

$139

Average

$1,399

High

$3,703

Bureau of Labor StatisticsFixr

Updated Apr 2026

Outdoor Spigot Installation

Knoxville, TN

2 sources

Low

$46

Average

$394

High

$926

Bureau of Labor StatisticsFixr

Updated Apr 2026

Dishwasher Installation

Knoxville, TN

3 sources

Low

$299

Average

$1,002

High

$2,409

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Bathroom Sink Installation

Knoxville, TN

3 sources

Low

$104

Average

$634

High

$1,554

Bureau of Labor StatisticsFixrHomewyse

Updated Apr 2026

Kitchen Sink Installation

Knoxville, TN

2 sources

Low

$83

Average

$1,379

High

$3,703

Bureau of Labor StatisticsFixr

Updated Apr 2026

Pipe Repair

Knoxville, TN

2 sources

Low

$139

Average

$1,723

High

$4,629

Bureau of Labor StatisticsFixr

Updated Apr 2026

Sump Pump Installation

Knoxville, TN

2 sources

Low

$46

Average

$1,366

High

$3,703

Bureau of Labor StatisticsFixr

Updated Apr 2026

French Drain Installation

Knoxville, TN

2 sources

Low

$46

Average

$5,902

High

$16,663

Bureau of Labor StatisticsFixr

Updated Apr 2026

Sources:Bureau of Labor Statistics Homewyse Fixr

How Knoxville Compares

vs. National Average-4%

*Based on aggregated cost data from multiple sources

Frequently Asked Questions — Plumbing Costs in Knoxville

View Plumbing Costs in Other Cities in Tennessee

Chattanooga Clarksville Jackson Johnson City Kingsport Memphis