Hillsborough County · Manchester-Nashua labor area · 117,556 residents
Home project costs in Manchester, NH
What a roof, siding, deck, fence, driveway or heat pump costs in Manchester after national installed prices are adjusted for local trade wages. 4 of the six have their own page here because the city's fee schedule sets a permit fee for them.
- 1Roof $8,100–$12,250
- 2Siding $6,050–$18,100
- 3Deck $8,050–$16,100
- 4Heat pump $11,000–$22,000
Six projects at their reference sizes
| Project | Size, material | Estimate | Permit |
|---|---|---|---|
| Roof replacement | 2,000 sq ft, architectural | $8,100–$12,250 | $101.74 |
| Siding replacement | 1,500 sq ft, vinyl | $6,050–$18,100 | $120.72 |
| Deck building | 320 sq ft, pressure-treated | $8,050–$16,100 | $120.63 |
| Fence installation | 150 linear ft, wood | $3,000–$7,500 | no line |
| Driveway paving | 600 sq ft, asphalt | $3,300–$7,800 | no line |
| Heat pump installation | 2,000 sq ft home, ducted air-source | $11,000–$22,000 | from $55 |
“No line” means the city's schedule, as read on October 20, 2026, sets no fee this site could apply to that work; the building department can say whether a permit is needed.
Labor index by trade
Hillsborough County sits in the Manchester-Nashua, NH. Each project's labor is scaled by the trade that does it:
| Trade | Local median | US median | Index |
|---|---|---|---|
| Roofers | $27.68 | $26.65 | +3.9% |
| Carpenters | $29.47 | $29.12 | +1.2% |
| Construction laborers | $22.84 | $22.66 | +0.8% |
| Paving, surfacing and tamping equipment operators | $29.88 | $25.64 | +16.5% |
| Cement masons and concrete finishers | $27.38 | $27.41 | −0.1% |
| HVAC mechanics and installers | $35.14 | $29.33 | +19.8% |
* BLS publishes no estimate for this trade in the Manchester-Nashua area; New Hampshire statewide median used. Wages: BLS 2025 wage data via O*NET OnLine.
Manchester in numbers
Manchester had 117,556 residents in the state's 2025 estimate, up 7.3% from 109,565 in 2010, about the same pace as New Hampshire as a whole (7.5%). At 3,587 people per square mile it is one of the most built-up places on this site (1 of 19 by density), so crews often work on tight lots with neighbours close by.
48.7% of Manchester's occupied homes are lived in by their owners, fewer than the 72.8% statewide, and the median owner-occupied home is valued at $365,600 (New Hampshire: $402,500).
The city's permit schedule
Read from Building Code of the City of Manchester, Sec. 109.8 Fee Schedule; Heating Permit application (adopted July 6, 2021). The lines this site uses:
“For alterations, renovations or repairs to existing buildings and structures, the permit fee shall be the estimated cost of the work multiplied by .010.”
“For all other new buildings and structures, and additions to existing buildings and structures, the permit fee shall be the estimated cost of the work multiplied by .010.”
“a minimum permit fee of $30.00 for all permits requiring inspections.”
“Repair or Replacement (Fire, Roofing, Siding, etc.) [permit type listed on the city's building permit application]”
“$30 MIMINUM FEE + $25 APPLICATION FEE: $55.00 (Application for Heating Permit)”
Also: Application for Plan Review and Building Permit · Application for Heating Permit (effective 09/02/14).
Nearby towns
Same labor area (Manchester-Nashua): Goffstown · Hudson · Merrimack · New Ipswich.
All towns: town list · Guides: permit fees by town, labor costs in New Hampshire
Population: NH Office of Planning and Development, 2025 Population Estimates of New Hampshire Cities and Towns (published July 17, 2026); housing: Census QuickFacts, Manchester (ACS 2020-2024). Checked October 20, 2026. Estimates are ranges from published averages, not quotes.