Decks Range from $20 per square foot to $500/square foot! The level of quality you want is in direct relation to the price you pay per square foot for decks. Add in a roofed area, curves, PVC or stone decking, aluminum joists, glass, lights and all the bells and whistles and you get up near the price of a new luxury home per square foot.
A PT wood deck can cost $8-$50 a square foot ($2,560-$16,000 for a 16'x20' deck), but averages about $25-$35 a square foot ($8,000-$11,200 for 16'x20'), depending on the quality of materials, project complexity, and whether construction is by casual labor or a licensed contractor.
Steel and aluminum will cost more initially. However, they will outlast wooden substructures and require less maintenance. The average material cost range (200 square foot deck to 500 square feet) is between $1500 and $5500. B. Decking. Once you have decided on the substructure, you will need to decide on the materials for the decking.
Typical costs: A PT wood deck can cost $8-$50 a square foot ($2,560-$16,000 for a 16'x20' deck), but averages about $25-$35 a square foot ($8,000-$11,200 for 16'x20'), depending on the quality of materials, project complexity, and whether construction is by casual labor or a licensed contractor.
The cost to Stain a Deck starts at $1.81 - $4.36 per square foot, but can vary significantly with site conditions and options. Get fair costs for your SPECIFIC project requirements. See typical tasks and time to stain a deck, along with per unit costs and material requirements. See professionally prepared estimates for deck staining work.
A standard deck can be cost anywhere between $2,000 (for a deck less than 200 sq. ft.) and $15,000 or higher (for decks more than 500 sq. ft.). Meanwhile, custom decks and raised decks can cost as much as $36,000.
The cost for an elaborately built deck using costly hardwoods or composite materials can run about $35 per square foot. As with any remodeling or building project, it's best to get several estimates and to discuss your ideas with an architect or designer — or several — so you can get a range of prices and find one that suits what you can afford.
The average price to build a deck with pressure-treated pine is about $30 to $35 per square foot. That price includes the wood planks, supporting framework, railings and all labor costs. Cedar, redwood or wood composites are more expensive, ranging from $35 to $60 per square foot installed.
On average synthetic decks run about 40% more than pressure treated decks ($40-$50 per square foot). But for smaller decks with longer flights of stairs, the cost per square foot will be higher. A 10'X12' deck 8' above the ground, with synthetic floor and railings, could cost as much as $70-$75 per square foot with the steps included.