Home Repair Decoded

Whole-House Repipe Cost in New Hampshire

$3,100 – $13,700We estimate whole-house repipe in New Hampshire at $3,100 to $13,700 for supply lines in a typical two-bathroom home, without wall repair. The national estimate is $3,050 to $13,300. New Hampshire plumber pay is 5% above the national median, ranking 19 of 51.
Part of the jobLowHigh
Parts and materials (our assumption)$1,500$5,000
Labor hours (our assumption)2060
Billed labor rate per hour$80$145
Estimated total$3,100$13,700

Our estimate, not a quote. Billed rate is the New Hampshire median wage from BLS (2025, $32.12 an hour) times 2.5 to 4.5 to cover payroll costs, overhead, travel and profit. How we estimate

What our assumptions are based on

ItemSourced figureBasisSource
Labor hours15 – 15Bob Vila uses about 15 hours in its labor estimate and also says a whole house takes a few days to a few weeks.Bob Vila

What other publishers report

National figures as published by each source, checked 2026-11-03. Their scope can differ from ours.
PublisherLowHighScope
Bob Vila$1,500$15,000Whole-house water supply lines, national average attributed to Angi and HomeAdvisor. Page dated April 2023.
Bob Vila$2,280$5,120Example: 3-bedroom, 1,500 square foot house. Page dated April 2023.

Who can legally do this in New Hampshire

New Hampshire's Mechanical Licensing Board regulates trainee, journeyman and master plumbers, as well as fuel gas fitters.

Compared with neighboring states

StateMedian wageLowHigh
Maine$30.77$3,050$13,300
Massachusetts$45.14$3,750$17,200
Vermont$29.89$3,000$13,100

Other plumber jobs in New Hampshire

Whole-House Repipe cost in every state · New Hampshire home repair guide

Sources

General information, not professional advice. Conditions, codes and prices vary. Turn off power, gas or water before any work, and hire a licensed professional when in doubt. Cost figures are our estimates, not quotes.