Plumbing Remodel Cost Calculator: what to expect
Plumbing remodel cost depends on how much pipe you're moving or replacing and how accessible it is. Repiping an entire house is a different project from re-plumbing a single bathroom.
Across the United States, a plumbing remodel cost averages $11,735 once mid-range materials, licensed labor, and standard permits are included. The figures below are a national baseline; pick your state or city to apply local labor rates, material delivery costs, and permit fees.
Cost summary
| Low estimate | $3,657 |
|---|---|
| Average estimate | $11,735 |
| High estimate | $31,885 |
| Cost per project | $3,657 - $31,885 |
| Timeline | 1-6 weeks |
Where the money goes
For a typical plumbing remodel cost, the average $11,735 estimate splits into roughly $4,636 of materials, $4,434 of labor, and $400 in permits.
| Material cost | $4,636 |
|---|---|
| Labor cost | $4,434 |
| Permit cost | $400 |
What a plumbing remodel cost includes
- New supply and/or drain lines
- Fixture rough-in and final connections
- Water heater or fixture replacement as needed
- Wall/floor access and patching
- Permit and inspection
What drives the cost the most
- Linear feet of pipe being replaced or rerouted.
- Access — open walls vs. fishing through finished spaces.
- Pipe material (PEX vs. copper) and fixture count.
- Whether the main, water heater, or sewer line is involved.
Budget, standard, and high-end scopes
The $3,657–$31,885 range maps to three common levels of finish:
| Scope | Roughly | What it covers |
|---|---|---|
| Fixture-level | $3,657 | Replace fixtures and short runs in one room. |
| Room repipe | $11,735 | New supply/drain for a kitchen or bath remodel. |
| Whole-house repipe | $31,885 | Replace all supply lines, often from galvanized or polybutylene. |
How to save on a plumbing remodel cost
- Combine plumbing moves with open-wall remodels to avoid extra demo.
- PEX is faster and cheaper to install than copper in most repipes.
- Address the water heater and shutoffs while walls are open.
How this estimate is calculated
We start from a base cost-per-project for plumbing remodel cost and adjust it for finish quality, labor complexity, waste, and equipment, then apply national baseline indices. The figures update with the cost data and reflect mid-range, licensed-contractor pricing, not a binding quote.