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Concrete, driveways & outdoor

How much does deck building cost?

A new deck is priced by square footage and material — pressure-treated wood is cheapest, while composite (e.g. Trex) costs more but needs less upkeep. Height, railings and stairs add up.

Typical range$4,000 – $16,000
Most common$8,000
Pricedaverage deck
DIY-friendly?No — best left to a licensed pro

What changes the price of deck building

  • Square footage
  • Material — wood vs. composite
  • Height, railings and stairs
  • Footings and permits

Estimate your cost

Adjust the quality and scope, or compare with other projects.

Quality & scope
Estimated cost · average deck
$4,000$16,000
Typical
$8,000
Low $4,000Typical $8,000High $16,000

Full typical range for this project. Adjust the quality/scope for a tighter estimate. The only way to know your real price is to get quotes from local contractors.

What changes the price
  • Square footage
  • Material — wood vs. composite
  • Height, railings and stairs
  • Footings and permits

National ballpark ranges for the US. Not a quote — actual prices vary by region, home and contractor.

Deck building cost — frequently asked questions

How much does it cost to build a deck?

A new deck runs about $4,000–$16,000, near $8,000 typical. Composite decking, larger sizes and elevated designs cost more than a basic wood deck.

Related project costs

This is general US cost information, not a quote. Actual prices depend on your region, home, materials and contractor — always get quotes from licensed local pros before you commit.