How Much Will That Patio or Deck Cost? | Personal Finance | US ..30 Jun 2014 . From piers to patio pavers, there's a lot that goes into pricing your suburban oasis. . Of course, if you don't know what a pier is or a joist (boards that offer support to the deck), you should hire someone to build your deck rather than doing it yourself. Mease recommends looking at your neighbors' decks, and.