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Repiping in New Hampshire
Repiping across New Hampshire: the 178 ZIP codes and 151 cities we route calls in, and who licenses plumbers in the state.
Free to homeowners in New Hampshire — the contractor pays us for the introduction, you never do.
Whole house or one run
Our repiping coverage in New Hampshire runs to 178 ZIP codes in 151 cities. Across many small covered places a house is usually detached and the whole supply run is reachable from a crawl space or a basement, which is what makes a full repipe a two-day job rather than a fortnight of plasterwork.
Source: coverage area as published by our call partner; place and county names from the US Census Bureau.
We route repiping calls in 178 ZIP codes across 151 New Hampshire cities, in 8 counties.
What this site is
PipeRenew is a referral service, not a contractor. We connect homeowners with independent contractors. Contractors are required to hold whatever credential their state or municipality demands, and replacing a water distribution system is a permitted alteration nearly everywhere — ask to see the permit. We carry out no work, we sell no materials, we do not set prices, and we never charge homeowners anything — the contractors in our network pay us when we route them a call. Nothing here is legal advice about any claim.Checking a credential in New Hampshire
The authority is the New Hampshire Office of Professional Licensure and Certification, Mechanical Safety and Licensing Board. New Hampshire licenses plumbers but publishes no online licensee search, so verification means contacting the office directly.
Every New Hampshire county we cover
- Belknap County 17 ZIP codes
Tilton, Laconia, Alton, Alton Bay, Barnstead, Belmont, Center Barnstead, Center Harbor, Gilford, Gilmanton, Gilmanton Iron Works and 3 more - Carroll County 2 ZIP codes
East Wakefield, Sanbornville - Cheshire County 26 ZIP codes
Keene, Alstead, Ashuelot, Chesterfield, Drewsville, Dublin, Fitzwilliam, Gilsum, Harrisville, Hinsdale, Jaffrey and 14 more - Coos County 1 ZIP code
Bretton Woods - Hillsborough County 38 ZIP codes
Manchester, Nashua, Amherst, Antrim, Bedford, Bennington, Brookline, Francestown, Goffstown, Greenfield, Greenville and 16 more - Merrimack County 29 ZIP codes
Concord, Andover, Bow, Bradford, Canterbury, Chichester, Contoocook, Danbury, Dunbarton, East Andover, Elkins and 15 more - Rockingham County 40 ZIP codes
Portsmouth, Hampton, Atkinson, Auburn, Candia, Chester, Danville, Deerfield, Derry, East Hampstead, East Kingston and 25 more - Strafford County 16 ZIP codes
Rochester, Dover, Durham, Farmington, Lee, Madbury, Milton, Milton Mills, New Durham, Somersworth, Union
What that coverage looks like
New Hampshire coverage runs to 178 ZIP codes across 8 counties, Rockingham County contributing 40. A repipe is a multi-day job and the scheduling is not like a leak call; across a footprint this size it is worth getting the quote and the scope settled well before the pipe forces the issue.
How a repiping job goes
Repiping is decided by material and failure mode, not by age. Galvanized steel closes up from the inside and shows as falling pressure; polybutylene fails at the fittings; copper pinholes where the water is aggressive. Each points at a different scope of work, and a house with one bad run does not necessarily need the whole supply replaced.
What the call asks about repiping
- What the existing pipe is made of — galvanized steel, copper, polybutylene or plastic.
- Whether the trouble is pressure, color, pinhole leaks, or all three.
- Whether the house has a basement or crawl space the run can be reached from.
Every New Hampshire city we route in
37 cities, ordered by the share of homes built between 1970 and 1999. Whole-house repiping is a question of when the house was built, not of how big the town is. Each page carries that city’s own numbers and the ZIP codes we route there.
- Merrimack 67%
- Derry 65%
- Bedford 65%
- Stratham 64%
- Londonderry 64%
- Goffstown 62%
- Hudson 58%
- Litchfield 56%
- Amherst 55%
- Raymond 53%
- Hooksett 53%
- Plaistow 52%
- Weare 52%
- Newmarket 50%
- Milford 49%
- Hollis 48%
- Salem 46%
- Nashua 46%
- Hampton 42%
- Epping 42%
- Pelham 42%
- Meredith 41%
- Windham 40%
- Seabrook 40%
- Exeter 39%
- Suncook 38%
- Tilton 38%
- Somersworth 38%
- Concord 37%
- Rochester 37%
- Dover 36%
- Laconia 35%
- Manchester 35%
- Peterborough 33%
- Keene 30%
- Franklin 28%
- Portsmouth 28%
Before you call
Repiping is decided by what the existing pipe is made of and how it is failing, not by its age alone. The pages above set out the difference.
