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New Hampshire · Plumber / Pipefitter

New Hampshire plumber or pipefitter prevailing wage, county by county

A plumber or pipefitter's Davis-Bacon prevailing wage in New Hampshire runs from $32.28 an hour in Rockingham County to $35.04 in Grafton County. The median county is $34.11.

Plumber / Pipefitter rate in each New Hampshire county, A to Z

Which kind of construction is the job?

The kind of construction decides the rate. Residential covers homes and apartments up to four stories.

10 counties
CountyBase wageFringe benefitsTotal rateEffectiveSource
$25.24 $8.60 $33.84 May 18, 2026NH20260015 Mod 1
$12.57 $0.00 $12.57 May 18, 2026NH20260001 Mod 1
Carroll CountyPLUMBER, INCLUDES HVAC PIPE INSTALLATION
$24.49 $9.72 $34.21 May 18, 2026NH20260016 Mod 1
$12.57 $0.00 $12.57 May 18, 2026NH20260001 Mod 1
Cheshire CountyPLUMBER · Cheshire County group
$25.77 $9.23 $35.00 May 18, 2026NH20260020 Mod 1
Cheshire CountyPLUMBER · Cheshire County group
$12.57 $0.00 $12.57 May 18, 2026NH20260001 Mod 1
Coos CountyPLUMBER, INCLUDES HVAC PIPE INSTALLATION
$24.49 $9.72 $34.21 May 18, 2026NH20260017 Mod 1
$12.57 $0.00 $12.57 May 18, 2026NH20260001 Mod 1
Grafton CountyPLUMBER, INCLUDES HVAC PIPE INSTALLATION
$24.77 $10.27 $35.04 May 18, 2026NH20260018 Mod 1
$12.57 $0.00 $12.57 May 18, 2026NH20260001 Mod 1
$23.97 $9.68 $33.65 May 18, 2026NH20260021 Mod 1
Hillsborough CountyPLUMBER (INCLUDES HVAC PIPING)
$11.70 $0.00 $11.70 May 18, 2026NH20260002 Mod 1
$45.76 $26.19 $71.95 Jun 1, 2025NH20260024 Mod 1
$25.24 $8.60 $33.84 May 18, 2026NH20260019 Mod 1
$12.57 $0.00 $12.57 May 18, 2026NH20260001 Mod 1
Rockingham CountyPLUMBER, INCLUDES HVAC PIPE INSTALLATION
$26.72 $5.56 $32.28 May 18, 2026NH20260022 Mod 1
Rockingham CountyPLUMBER (INCLUDES HVAC PIPING)
$11.70 $0.00 $11.70 May 18, 2026NH20260002 Mod 1
$45.76 $26.19 $71.95 Jun 1, 2025NH20260025 Mod 1
Strafford CountyPLUMBER, INCLUDES HVAC PIPE INSTALLATION
$24.60 $9.40 $34.00 May 18, 2026NH20260023 Mod 1
Strafford CountyPLUMBER (INCLUDES HVAC PIPING)
$11.70 $0.00 $11.70 May 18, 2026NH20260002 Mod 1
$45.76 $26.19 $71.95 Jun 1, 2025NH20260026 Mod 1
Sullivan CountyPLUMBER · Cheshire County group
$25.77 $9.23 $35.00 May 18, 2026NH20260020 Mod 1
Sullivan CountyPLUMBER · Cheshire County group
$12.57 $0.00 $12.57 May 18, 2026NH20260001 Mod 1

Main plumber or pipefitter classification in each county, Davis-Bacon wage determinations on SAM.gov, as of October 25, 2026. A contract keeps the wage determination in its bid documents. Modifications published before bid opening apply to it, though one published less than 10 days before can be left out if the agency finds there isn't time to tell bidders (29 CFR 1.6(c)). Checked October 25, 2026.

How much does a plumber or pipefitter make on prevailing wage in New Hampshire?

$32.28 to $35.04 an hour depending on the county; the median county pays $34.11. 1 group of counties with identical rates and 8 with rates of their own, highest main rate first.

  1. Grafton County1 county$35.04
  2. Cheshire County group2 counties$35.00
  3. Carroll County1 county$34.21
  4. Coos County1 county$34.21
  5. Strafford County1 county$34.00
  6. Belknap County1 county$33.84
  7. Merrimack County1 county$33.84
  8. Hillsborough County1 county$33.65
  9. Rockingham County1 county$32.28
Which counties share a rate
CountiesMain classificationBase wageTotal rate
Grafton CountyPLUMBER, INCLUDES HVAC PIPE INSTALLATION$24.77 $35.04 
Cheshire County group, 2 localities: Cheshire, SullivanPLUMBER$25.77 $35.00 
Carroll CountyPLUMBER, INCLUDES HVAC PIPE INSTALLATION$24.49 $34.21 
Coos CountyPLUMBER, INCLUDES HVAC PIPE INSTALLATION$24.49 $34.21 
Strafford CountyPLUMBER, INCLUDES HVAC PIPE INSTALLATION$24.60 $34.00 
Belknap CountyPLUMBER$25.24 $33.84 
Merrimack CountyPLUMBER$25.24 $33.84 
Hillsborough CountyPLUMBER$23.97 $33.65 
Rockingham CountyPLUMBER, INCLUDES HVAC PIPE INSTALLATION$26.72 $32.28 

1 group of counties with identical DOL rates, and 8 counties with rates of their own.

Questions about New Hampshire plumber or pipefitter pay

What is the plumber or pipefitter prevailing wage in Hillsborough County?

$33.65 an hour: a $23.97 base wage plus $9.68 in fringe benefits, under wage determination NH20260021, modification 1. Overtime and every plumber or pipefitter classification in Hillsborough County.

Does plumber or pipefitter prevailing wage include fringe benefits?

Yes. In Hillsborough County the $33.65 total is a $23.97 base wage plus $9.68 in fringe benefits, about 29% of the total. The employer owes the full amount for every hour worked.

Does plumber or pipefitter prevailing wage pay overtime in New Hampshire?

Davis-Bacon rates are straight time. On contracts over $100,000, the Contract Work Hours and Safety Standards Act requires 1½ times the basic rate for hours over 40 in a workweek (40 U.S.C. 3702). The fringe is owed for every hour at its straight-time amount.

Do apprentice plumber or pipefitters get this rate?

Davis-Bacon determinations list journeyworker rates. Apprentices in a program registered with DOL or a recognized state agency can be paid the program's percentage of the rate, within its ratio; anyone else gets the full rate (29 CFR 5.5(a)(4)).

Why do some counties have the same plumber or pipefitter rate?

DOL often publishes the same plumber or pipefitter rates for several counties. Across New Hampshire, the 10 counties with a plumber or pipefitter rate fall into 9 distinct sets of rates, and 1 of those sets are shared by more than one county; the largest covers 2 counties (the Cheshire County group).