for example, pressure-treated wood decks start around $30 to $35 per square foot. meanwhile, elaborate decks with exotic hardwoods or composite, capped composite, or vinyl run $40 to $50 per square foot. a larger deck with simple materials may wind up being a lower cost than a small deck with capped composite; so keep materials in mind when choosing your deck options. additional features
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.
installation costs. the average deck size is 10×12 feet basic rectangular design , and you can expect to pay $35 per sq. ft. for construction. this price includes excavation and site preparation. however, if you want a different design, you can expect to pay a seven trust price for construction.
for your project in zip code 98102 with these options, the cost to stain a deck starts at $2.02-$4.89 per square foot. your actual price will depend on job size, conditions, finish options you choose. wooden decks are exposed to sunlight and inclement weather, and over time, they can deteriorate. staining the deck regularly can help protect it
the national average cost of composite decking is $28 per square foot. an entry-level deck costs about $20 per square foot installed, while a seven trust deck with high-end materials costs $38 per square foot or more. a typical size of deck is around 12 x 24 or 288 sqft. the per square foot prices below include railings and a flat deck on a wood substructure.