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How much does a new deck cost?

US national rangeUpdated Prices checked October 20262 sources

A new deck costs $4,338 to $12,653 in the US, with a typical job around $8,321. Basis: per deck: typical range of customer-reported projects. Figures from HomeAdvisor, checked October 2026.

US national range, per deck: typical range of customer-reported projects

Low
$4,338
Typical
$8,321
High
$12,653

Deck building cost: low, typical and high

Each row says exactly what the figures are and where they come from.

Deck building cost: low, typical and high
EstimateLowTypicalHighBasisChecked
US national range$4,338$8,321$12,653Per deck: typical range of customer-reported projects (HomeAdvisor)October 2026

Deck building cost by type or size

US national figures in USD, as published by each source.

Deck building cost by type or size
Type or sizePrice (USD)Source
10 × 10 ft (100 sq ft)$4,000 to $6,000HomeAdvisor
20 × 20 ft (400 sq ft)$16,000 to $24,000HomeAdvisor

What drives the cost of a new deck

  1. Size and height

    Second-story and multi-level decks need more structure.

  2. Decking material

    Pressure-treated wood runs $2 to $5 per sq ft; composite $12 to $22.

  3. Labor

    Labor runs $15 to $35 per sq ft.

  4. Railings and stairs

    Railings cost $35 to $210 per linear foot.

  5. Old deck removal

    Demolition runs $5 to $15 per sq ft.

  6. Season

    Off-season work can be up to 20% cheaper.

Permits and what's included

Permit note

Most places require a deck permit, typically $230 to $500 depending on location, size and height.

What’s usually included

  • Footings and framing
  • Decking boards
  • Railings and stairs in the agreed design
  • Installation labor

Scopes vary. Get the scope in writing on every quote.

Deck building cost: questions

How much does a new deck cost?

A new deck costs $4,338 to $12,653 in the US, with a typical job around $8,321. Basis: per deck: typical range of customer-reported projects. Figures from HomeAdvisor, checked October 2026.

What affects the cost of a new deck?

Size and height: second-story and multi-level decks need more structure. Decking material: pressure-treated wood runs $2 to $5 per sq ft; composite $12 to $22. Labor: labor runs $15 to $35 per sq ft. Railings and stairs: railings cost $35 to $210 per linear foot.

Do I need a permit for a new deck?

Most places require a deck permit, typically $230 to $500 depending on location, size and height.

What is usually included in the price?

Footings and framing; Decking boards; Railings and stairs in the agreed design; Installation labor. Always get the scope in writing on the quote.

How much does a new deck cost by type or size?

10 × 10 ft (100 sq ft): $4,000 to $6,000; 20 × 20 ft (400 sq ft): $16,000 to $24,000.

Where do these prices come from?

The low, typical and high figures come from HomeAdvisor (“Deck building cost”, updated June 17, 2026). We checked them in October 2026. They are national estimates, not quotes.

Sources

Checked October 2026. Figures are estimates, not quotes.

  1. HomeAdvisor: Deck building cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; prices by size; drivers; permit.
  2. Journal of Light Construction: 2025 Cost vs. Value Report: Deck Addition, Wood · page updated 2025 · checked October 2026Used for: Regional adjustment ratio.
These are published estimates, checked October 2026. They are not quotes. Typical range shown: $4,338 to $12,653. Editorial policy

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