Deck Cost Calculator — Estimate Deck Building Cost

Deck Cost Calculator — Estimate Deck Building Cost

Free Deck Cost Calculator. Enter your deck dimensions and material preference to get an instant estimate for building or replacing your deck.

🏡 Deck Cost Calculator

💡 Pro Tip

Composite decking costs more upfront (2–3x pressure-treated wood) but lasts 25–30 years with almost no maintenance versus 10–15 years for wood. Calculate the lifetime cost, not just the upfront cost.

Frequently Asked Questions

Q: How much does it cost to build a deck?

Deck construction costs $15–$35 per square foot for pressure-treated wood, $25–$50 for composite decking, and $40–$80+ for hardwood or Trex decking.

Q: Is a deck a good investment?

Yes. A wood deck typically recoups 65–75% of its cost at resale, while a composite deck can recover 60–70%. It adds usable outdoor living space and curb appeal.

Q: Do I need a permit to build a deck?

Most localities require a permit for decks over 30 inches off the ground or larger than 200 square feet. Always check local building codes before starting.

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