Deck Cost Calculator
Get a complete installed-cost estimate for your new deck based on square footage, material choice, and structural complexity. Pricing reflects 2026 national averages.
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Outdoor Solid Composite Decking Boards 96"x5.43"x1", Polymer Composite Decking for All Weather Use,Poolside,Backyard,Patio(6 Pcs,Redwood and Maple,21.72sqft)
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Outdoor Solid Composite Decking Boards 96"x5.43"x1", Polymer Composite Decking for All Weather Use,Poolside,Backyard,Patio(6 Pcs,Rosewood and Light Grey,21.72sqft)
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Frequently asked questions
- What is the average cost of a deck?
- Most homeowners spend $4,500–$15,000, or roughly $30–$60 per square foot installed depending on materials.
- How accurate is this calculator?
- Estimates are based on 2026 national pricing. Local quotes typically fall within ±15% of the range shown.


