Hillsborough County · Manchester-Nashua labor area · 92,892 residents
Home project costs in Nashua, NH
What a roof, siding, deck, fence, driveway or heat pump costs in Nashua 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 | $310 |
| Siding replacement | 1,500 sq ft, vinyl | $6,050–$18,100 | $245 |
| Deck building | 320 sq ft, pressure-treated | $8,050–$16,100 | $107.60 |
| 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 | $90 |
“No line” means the city's schedule, as read on October 21, 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.
Nashua in numbers
Nashua had 92,892 residents in the state's 2025 estimate, up 7.4% from 86,494 in 2010, about the same pace as New Hampshire as a whole (7.5%). Its density of 3,038 people per square mile puts it 5 of 24 among the towns on this site.
55.8% of Nashua's occupied homes are lived in by their owners, fewer than the 72.8% statewide, and the median owner-occupied home is valued at $403,900 (New Hampshire: $402,500).
The city's permit schedule
Read from City of Nashua Code, Chapter 105 Building Construction, § 105-28 Fee Schedule (amended 3-9-2021 by Ord. O-21-045). The lines this site uses:
“Building permit: $50.”
“Alterations, repairs, fire damage — Residential (per square foot of area affected): $0.13.”
“New construction, additions, alterations — Residential, one- and two-family and townhouses (per square foot of area affected): $0.18.”
“Mechanical: Nonrefundable application processing and review fee: $50.”
“Ductless split system: $40.”
Nearby towns
Same labor area (Manchester-Nashua): Goffstown · Hudson · Manchester · Merrimack · New Ipswich.
All towns: town list · State: roof in New Hampshire, siding in New Hampshire, deck in New Hampshire, heat pump in New Hampshire · 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, Nashua (ACS 2020-2024). Checked October 21, 2026. Estimates are ranges from published averages, not quotes.