how much per sq ft to build a deck labor
labor cost to build a deck per square foot. 1  Cost to Install Wood Decking - 2015 Cost Calculator (ZipCode based) For a basic 120 square feet project, the cost to Install Wood Decking averages $7.95 - $10.84 per square foot* ... Use this calculator to get the total cost and average cost per square feet to install wood decking in your area. ... Wood Deck Labor.