How to Build a Deck Over a Concrete Patio (DIY)
Cost: The cost of building a patio deck depends mostly on the decking you choose. Decking ranges from about $1.50 per sq. ft. for treated wood to more than $10 per sq. ft. for a top-grade manufactured product. The other materials for this project add up to about $1.50 per sq. ft., so your total cost could be anywhere from $3 to $12 per sq. ft.