New Hampshire plumbing market report
A snapshot of the plumbing market in New Hampshire: who's licensed, where they work, climate context, and what homeowners typically pay. All data from official US public sources cited below.
State overview
New Hampshire has approximately 543k households (US Census ACS 2022) and is in a cold climate zone (DOE/NOAA classification). The state employs roughly 1,990 plumbers, pipefitters, and steamfitters per the BLS Occupational Employment Statistics for code 47-2152, or about 3.7 pros per 1,000 households.
Licensing
Plumbing pros in New Hampshire are typically regulated by the New Hampshire State Board of Licensing for Plumbers. Before hiring, verify the contractor's license number, that the license is active and in good standing, and that the licensee is bonded and insured to operate in New Hampshire. License lookup is typically free at the board's public website.
Top 5 cities by listed pros
- Rochester — 2 listed
- Londonderry — 1 listed
- Nashua — 1 listed
- Salem — 1 listed
- Manchester — 1 listed
Seasonal demand pattern
Peak demand Dec-Mar (frozen pipes); shoulder Apr-May for repipes.
Typical cost range in New Hampshire
Based on national HomeAdvisor and Angi 2024-2026 averages adjusted to New Hampshire cost-of-living, a typical water heater install/replace in New Hampshire runs around $1,620. See the full cost calculator suite for service-by-service ranges. Always get a written quote before committing to work.
Find a verified pro in New Hampshire
Browse our New Hampshire state hub or jump to a city: Rochester, Londonderry, Nashua.
See all New Hampshire plumbing pros →Data sources. Employment: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2023 (bls.gov/oes), occupation code 47-2152 (Plumbers, Pipefitters, and Steamfitters). Households: U.S. Census Bureau American Community Survey 2022 1-year estimates (census.gov/acs). Climate zone: U.S. Department of Energy Building America Climate Zones (energy.gov) / NOAA National Centers for Environmental Information (noaa.gov). Licensing: New Hampshire State Board of Licensing for Plumbers. Cost ranges: HomeAdvisor 2024 True Cost Reports (homeadvisor.com), Angi 2024 cost guides (angi.com). All figures are estimates; verify before relying on for any decision.