Expect to pay about $21 per square foot for a deck. The average cost to build a deck is $7,320, and most homeowners pay $3,920 � $10,540. However, some large and lavish decks cost as much as $17,000, and some small decks cost as little as $1,600. Expect to pay about $21 per square foot for a deck. Nov 29, 2023 How Much Does it Cost to Build a Deck in 2024? - Lawn Love lawnlove.com https://lawnlove.com � blog � deck-cost lawnlove.com https://lawnlove.com � blog � deck-cost Expect to pay about $21 per square foot for a deck. The average cost to build a deck is $7,320, and most homeowners pay $3,920 � $10,540. However, some large and lavish decks cost as much as $17,000, and some small decks cost as little as $1,600. Expect to pay about $21 per square foot for a deck. Nov 29, 2023