Find licensed deck builders and contractors across New Hampshire. Browse 10 cities with license data and local permit requirements.
10
Cities Covered
$20-$50
Cost per Sq Ft
$84-$560
Permit Fees
Deck projects in New Hampshire are regulated at the local level. Permit offices in each city and county administer their own building code adoptions, fee schedules, and inspection timelines. Before you hire a New Hampshire deck builder, verify they hold any trade or contractor license your municipality requires, confirm they carry general liability insurance, and ask whether they pull permits under their own name or expect you to pull them as owner-builder. The contractors listed on this page have had their business websites and public records verified; we recommend requesting references and a written estimate before signing anything.
Manchester
Pop. 115,644
Nashua
Pop. 91,322
Concord
Pop. 43,976
Derry
Pop. 33,599
Dover
Pop. 32,741
Rochester
Pop. 32,492
Salem
Pop. 30,009
Merrimack
Pop. 26,632
Londonderry
Pop. 25,643
Hudson
Pop. 25,394
Average costs for a typical 300 sq ft deck with railing in New Hampshire.
| Material | Low | Average | High |
|---|---|---|---|
| Pressure-Treated Wood | $6,290 | $8,064 | $10,644 |
| Cedar | $8,736 | $11,200 | $14,784 |
| Composite (Trex, TimberTech) | $12,230 | $15,680 | $20,698 |
New Hampshire Deck Permits
Permit requirements, fees, and exemptions
Deck Cost Calculator
Free estimates with New Hampshire pricing
New Hampshire Tree Services
Tree removal, trimming, stump grinding
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