How Much Does It Typically Cost to Build an Outdoor Deck?

much-typically-cost-build-outdoor-deck Credit: Morsa Images/Digital Vision/Getty Images

Based on over 7,000 user-submitted cost profiles on, the average cost of building an outdoor deck as of 2015 is between about $4,000 and $10,000. Total costs vary greatly depending on the size of the deck, the type of building material and the complexity of the design.

The 2015 cost averages on range from about $5,000 for decks smaller than 200 square feet to about $14,500 for decks larger than 500 square feet. Building materials play a key role in determining total cost; some common deck materials include composite woods, natural hardwoods and pressure-treated woods. Besides the materials themselves, other factors that affect the total cost of building a deck are the design and the labor. Do-it-yourself projects are typically much cheaper, though homeowners may lack the time or skill to complete the project, especially for more elaborate designs.