Plumbing service in New Hampshire
Call NowNew Hampshire plumbing is shaped by cold winters, granite bedrock, private wells and septic systems across most of the state, and older mill-city housing in Manchester and Nashua.
New Hampshire weather and your plumbing
New Hampshire winters are cold and snowy, especially in the White Mountains and the north. Nor'easters bring heavy snow and outages, and spring brings mud season and high groundwater.
Season by season in New Hampshire
- Winter
- Boiler shutdowns during nor'easters leave houses cold, and pipes in north-facing walls are the first to freeze.
- Mud season
- Thawing ground and snowmelt flood basements and stress septic systems.
Problems the New Hampshire climate causes
Well water quality
Cause: Granite bedrock geology.
Result: Some bedrock wells in New Hampshire contain arsenic or radon.
Do: Test well water and ask about treatment if levels are high.
Frozen pipes in seasonal homes
Cause: Long cold winters.
Result: Lake houses and camps freeze if not winterized.
Do: Drain and winterize, or keep heat on with remote monitoring.
Housing in New Hampshire
Manchester and Nashua have older mill-era housing with cast-iron drains and galvanized supply, while much of the state is rural with private wells and septic systems. Seasonal lake homes are common in the Lakes Region.
Where calls are covered in New Hampshire
- Covered ZIP codes
- 186
- Cities and towns with coverage
- 176
Most covered ZIP codes
- Manchester · 5 ZIPs
- Nashua · 4 ZIPs
- Rochester · 3 ZIPs
- Concord · 2 ZIPs
- Amherst · 1 ZIP
- Auburn · 1 ZIP
- Brookline · 1 ZIP
- Candia · 1 ZIP
Check whether your exact New Hampshire ZIP code is covered (coverage changes over time)
New Hampshire questions
Should I test my New Hampshire well for arsenic?
Yes. State health officials recommend testing private wells, since some bedrock wells contain arsenic or radon.
Who licenses plumbers in New Hampshire?
The Mechanical Safety and Licensing Board under the Office of Professional Licensure and Certification.
How do I check a plumber's license in New Hampshire?
New Hampshire licenses plumbers through the Mechanical Safety and Licensing Board within the Office of Professional Licensure and Certification (OPLC). A person must hold a master plumber license to operate a plumbing business, and licensees complete continuing education to renew.