Rehab cost guide
How Much Does Plumbing Cost on a Flip? (2026)
From a water heater to a full repipe — here's how plumbing costs add up.
Plumbing costs on a flip range widely: a water heater runs $1,200–$3,000, fixture and supply-line work a few hundred to a few thousand, and a whole-house repipe $4,000–$15,000 depending on size and material. Homes with old galvanized or failing pipes need the most work; most flips need targeted repairs, not a full repipe.
Plumbing problems can hide behind walls and under floors, making them a classic source of flip surprises. Leaks, old galvanized pipe, and failing water heaters are common finds, and water damage can cascade into other repairs.
These are general 2026 estimates; the scope, pipe material, and access drive the price. Get a plumber's assessment early, especially in older homes.
Cost breakdown
| Item | Typical range | Notes |
|---|---|---|
| Water heater | $1,200–$3,000 | Tank; tankless costs more |
| Fixture replacement (per fixture) | $150–$600 | Faucets, toilets, sinks |
| Repair leaks / supply lines | $300–$3,000 | Localized to moderate |
| Whole-house repipe | $4,000–$15,000 | Galvanized/old pipe replacement |
What affects the cost
- Whether you need targeted repairs or a full repipe.
- Pipe material — replacing galvanized or polybutylene costs more.
- Number of fixtures and whether layouts move.
- Access behind walls, under slabs, and in crawlspaces.
Figures are general 2026 estimates and vary widely by market, scope, and materials. Always confirm with local contractor bids before budgeting a deal.
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Get started freeFrequently asked questions
- How much does plumbing cost on a flip?
- It depends on scope: a water heater is $1,200–$3,000, fixture and leak repairs range from a few hundred to a few thousand dollars, and a whole-house repipe runs $4,000–$15,000. Most flips need targeted repairs rather than a complete repipe.
- When does a flip need a repipe?
- Usually when the home has failing galvanized steel or polybutylene pipe, recurring leaks, or low water pressure from corroded lines. A plumber's inspection will confirm whether a repipe or spot repairs make sense.
- Should I move plumbing in a flip kitchen or bath?
- Avoid it when you can — relocating plumbing for sinks, tubs, or toilets adds significant cost. Keeping the existing layout is one of the biggest money-savers in kitchen and bathroom remodels.