make sure you get multiple quotes from decking contractors to compare prices, experience/expertise and overall understanding of your project. most deck contractors will charge an average rate of $35/sf.
average costs and comments from costhelper's team of professional journalists and community of users. a composite deck can cost $25-$70 or more a square foot, or $8,000-$22,400 for 16'x20', depending on the brand, project complexity and whether construction is done by casual labor or a licensed contractor.
this is about $6,000-12,000 for a 300 sq.ft. deck. this is a relatively cheap way to add extra living and entertainment space, especially if you compare it to the cost of building an addition , which starts at $125 per square foot.
if a concrete foundation must be installed beneath the deck to hold the footers then the price of the concrete foundation and labor averages $5-$8 per sq.ft. construction when constructing a deck there are many variables that depend on the building site, design plan, region being built in, and the material used.
the cost to demolish a house per square foot ranges anywhere from $2 to $17 per square foot, with an average between $4 and $15. for a complete teardown of a 1,500 square foot home, rates can range from $3,000 in a rural area to $18,000 in a densely-populated city.
the homewyse pressure treated deck cost estimates do not include costs for removal or disposal of existing decking, repair of damage due to existing decking, construction of benches, railings or structures attached to the deck.
however, depending on the decks material, the price per square foot will vary. this is where materials come in. materials the materials you choose will heavily influence the overall cost of your deck. for example, pressure-treated wood decks start around $30 to $35 per square foot.