Concord, NH · 2026 cost guide
How much does a deck cost in Concord?
In Concord, a deck costs about $5,100–$20,500 in 2026 for a 320 sq ft deck, from pressure-treated to composite — roughly $16.05–$64.2 per square foot. That’s in line with the New Hampshire average.
Estimate your Concord project with the Deck Cost Calculator →
Concord cost breakdown
| Concord typical range | $5,100–$20,500 |
| Concord per square foot | $16.05–$64.2 |
| New Hampshire state average | $5,100–$20,500 |
| Versus New Hampshire average | in line with average |
What’s different about Concord
Concord has a more moderate cost of living than the southern tier, while snowy winters and freeze-thaw cycles drive durable exterior construction.
- Footings have to reach below the frost line, so deeper excavation adds cost.
How the cost is built
Deck cost depends on size, decking material (pressure-treated pine is cheapest; composite and PVC are mid-range; tropical hardwood is premium), and structural extras like railings, stairs, and elevated footings. Permits and ledger flashing add cost on attached decks.
Frequently asked questions
How much does a deck cost in Concord?
In Concord, a deck costs about $5,100 to $20,500 in 2026 for a 320 sq ft deck, from pressure-treated to composite — roughly 16.05–64.2 per square foot. That's in line with the New Hampshire average, reflecting local labor and permit costs.
What affects the cost of a deck in Concord?
Concord has a more moderate cost of living than the southern tier, while snowy winters and freeze-thaw cycles drive durable exterior construction. Footings have to reach below the frost line, so deeper excavation adds cost.
How can I get an accurate deck building estimate in Concord?
Use the free Deck Cost Calculator to plug in your real measurements, then collect two or three local Concord quotes to compare. Prices vary by neighborhood, access, and project complexity.
Deck building cost in other New Hampshire metros
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Open calculator →The Concord figure scales the New Hampshire cost range by a local metro index, then adjusts for the city’s labor market and climate. A 2026 planning estimate, not a quote — get local bids. See our methodology.