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Leak Detection in New Hampshire
Leak Detection 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.
Where we listen
Our leak detection coverage in New Hampshire runs to 178 ZIP codes in 151 cities. Where covered places are small and the service runs are short, a leak that does not show at a fixture is usually within a few meters of the house — under a slab, a porch or a drive — and the meter test that finds it takes minutes rather than a day.
Source: coverage area as published by our call partner; place and county names from the US Census Bureau.
We route leak detection calls in 178 ZIP codes across 151 New Hampshire cities, in 8 counties.
What this site is
AcousticLeak 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. We carry out no work and no leak location, 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 a statement about what your own utility will credit; only your utility can tell you that.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 and 5 more - Carroll County 2 ZIP codes
East Wakefield, Sanbornville - Cheshire County 26 ZIP codes
Keene, Alstead, Ashuelot, Chesterfield, Drewsville, Dublin, Fitzwilliam, Gilsum, Harrisville and 16 more - Coos County 1 ZIP code
Bretton Woods - Hillsborough County 38 ZIP codes
Manchester, Nashua, Amherst, Antrim, Bedford, Bennington, Brookline, Francestown, Goffstown and 18 more - Merrimack County 29 ZIP codes
Concord, Andover, Bow, Bradford, Canterbury, Chichester, Contoocook, Danbury, Dunbarton and 17 more - Rockingham County 40 ZIP codes
Portsmouth, Hampton, Atkinson, Auburn, Candia, Chester, Danville, Deerfield, Derry and 27 more - Strafford County 16 ZIP codes
Rochester, Dover, Durham, Farmington, Lee, Madbury, Milton, Milton Mills, New Durham and 2 more
What that coverage looks like
Manchester alone accounts for 8 of the state's 178 covered ZIP codes, and Rockingham County for 40. Dense coverage like that is where a leak call is answered quickest; the 8 counties behind it are where the drive time starts to matter, and where locating the leak precisely before anyone is dispatched saves the most.
How a leak detection job goes
A leak you cannot see is found with sound and with pressure, not by digging until something turns up. The meter is isolated and watched, the run is listened along, and the point is marked before any surface is opened. What that is worth is simple arithmetic: the cost of locating is fixed, and the cost of opening the wrong three meters of concrete is not.
What the call asks about leak detection
- Whether the meter moves with every tap in the house shut off — that one test separates a leak from a fitting.
- Where the water is showing, if it is showing at all: a ceiling, a wall, a warm patch on a floor, or only the bill.
- Whether the house is on a slab, a crawl space or a basement, because that decides how the run is reached.
Every New Hampshire city we route in
37 cities, ordered by size. Dense building stock is where a leak on one service line is hardest to hear and slowest to surface. Each page carries that city’s own numbers and the ZIP codes we route there.
- Franklin 38%
- Keene 34%
- Portsmouth 33%
- Concord 32%
- Manchester 29%
- Laconia 27%
- Dover 27%
- Suncook 26%
- Peterborough 25%
- Tilton 24%
- Somersworth 23%
- Exeter 20%
- Nashua 19%
- Newmarket 19%
- Milford 19%
- Meredith 18%
- Rochester 18%
- Plaistow 16%
- Epping 16%
- Hampton 14%
- Hollis 12%
- Amherst 11%
- Raymond 10%
- Weare 10%
- Goffstown 9%
- Derry 9%
- Stratham 8%
- Pelham 6%
- Hooksett 6%
- Litchfield 6%
- Salem 4%
- Hudson 4%
- Windham 4%
- Seabrook 4%
- Bedford 4%
- Londonderry 3%
- Merrimack 3%
Before you call
A leak is located before anything is dug. What that costs and what it does not, and the questions to ask before the work is booked, are on the pages above.
