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Plumbing Inspection in New Hampshire

Across the 127 New Hampshire towns we route calls in, 20% of owner households moved in during 2018 or later. Every one of those sales came with an inspection, and every one of those inspections excluded the same list of things.

The one-paragraph answer

Across the 127 New Hampshire towns covered here, 20% of owner households moved in during 2018 or later. Nearly every one of those sales involved an inspection, and every one of those inspections excluded the buried sewer lateral.

Source: US Census Bureau, American Community Survey 5-year estimates, table B25038.

PresalePipe is a referral service, not a contractor or a home inspector. We connect homeowners and buyers with independent contractors. Contractors are required to hold whatever credential their state or municipality demands. Every state page sets out who licenses plumbers there and where to check, so you can confirm before work begins. We carry out no inspections and no work, we do not set prices, and we never charge homeowners anything — the contractors in our network pay us when we route them a call.

Turnover across New Hampshire

Towns in New HampshireCount
Change hands often (28% of owners or more since 2018)6
About the middle (16–28%)89
Rarely change hands (under 16%)32

The spread inside the state is the point. West Chesterfield is highest at 33% of owners having arrived since 2018; Chesterfield is lowest at 6%. A state figure describes neither of them.

Source: US Census Bureau, American Community Survey 5-year estimates, table B25038, 2023 release. Weighted across 436,947 occupied housing units, of which 314,256 are owner-occupied. This measures recent moves as a share of the housing stock, not sales per year.

The largest towns we route in New Hampshire

TownOwners who moved in since 2018Occupied homes
Manchester24%50,709
Nashua21%36,907
Concord21%20,362
Dover24%15,021
Derry17%13,179
Salem20%12,573
Portsmouth22%10,899
Merrimack19%10,378

What is excluded, everywhere

The exclusions do not vary by state. Both InterNACHI and ASHI describe the inspection as covering readily accessible, visually observable systems and state that it is not technically exhaustive. Both exclude wells and pumps, septic and wastewater treatment, water quality and potability, fire sprinklers and gas leak testing. InterNACHI additionally names water flow and pressure, floor drains, shower pan testing and polybutylene piping.

What varies by town is how many people here have recently had a report in their hands to read the exclusions in. The full list is on its own page.

Source: InterNACHI Home Inspection Standards of Practice; ASHI Standard of Practice.

Checking a plumber in New Hampshire

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.

Towns we route in New Hampshire

Inspection report in front of you?Read us the plumbing lines and nothing else — we do not want the document. We will route you to a contractor covering your area who can quote the items on it, and you are never charged by us. Inspections are the theme here; calls of every kind are routed.

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