Every range on this site is compiled from the named sources below, with the date each was checked.
The following ranges are based on repair cost data from multiple sources as of the dates shown.
| Line Item | Range (USD) | Source | As Of |
|---|---|---|---|
| Detection | $150 - $400 | Angi, HomeAdvisor, Bob Vila | Apr 2026 - Jun 2026 |
| Access: Jackhammer through slab | $500 - $3,000 | Fixr, HomeGuide | May 2025 - 2026 |
| Access: Tunnel under slab | $900 - $2,000 | Fixr (limited data) | May 2025 |
| Repair: Spot repair | $150 - $2,000 | Angi, HomeAdvisor, Fixr, HomeGuide | 2025 - 2026 |
| Repair: Reroute | $600 - $7,500 | Angi, HomeAdvisor, HomeGuide, Fixr | 2025 - 2026 |
| Repair: Epoxy lining | $500 - $3,500 | HomeGuide, Fixr, Angi | 2025 - 2026 |
| Slab restore (after access) | $300 - $6,750 | Angi | Apr 2026 |
Note: Tunneling cost data comes from a single source; we label it "limited data" on the calculator.
Repipe costs are driven primarily by the number of plumbing fixtures and the pipe material chosen.
Per-fixture cost
Average: $1,200 per fixture (range $350 - $1,800). Source: Angi, Mar 17 2026.
Whole-home cost
Range: $1,500 - $15,000 (average $7,500). Source: Angi, Mar 17 2026.
Pipe materials (installed per linear foot)
PEX: $0.40 - $2.00 per foot. Copper: $2.00 - $8.00 per foot. Source: Angi, Mar 17 2026.
Copper premium
On a home around 2,000 square feet, copper typically runs about $6,000 - $12,000 more than PEX. Source: HomeGuide 2022 (ratio corroborated by Angi 2026 per-foot rates).
Angi (Slab leak)
angi.com/articles/how-much-does-foundation-slab-leak-repair-cost.htmUpdated Apr 4 2026
HomeGuide (Repipe)
homeguide.com/costs/install-new-house-plumbing-pipes-costOct 16 2022 (older, cross-checked against 2026 data)
Forbes Home (Repipe)
forbes.com/home-improvement/plumbing/install-replace-plumbing-cost/Sep 19 2022 (older, cross-checked against 2026 data)