How Much Does Install Flagstone Step Cost in Seattle, Washington?

What you get at each price level

• Basic

  $243 – $681 each

  Natural flagstone tread about 2-3 in. thick on a compacted gravel base with a stacked stone riser, dry-set, leveled and pitched to drain

• Standard

  $286 – $802 each

  Flagstone tread about 2-3 in. thick on compacted gravel, fitted stone riser, tread pitched slightly forward to drain

• Premium

  $358 – $1,002 each

  Select flagstone tread about 2-3 in. thick with a chiseled front edge, mortared onto a stone riser base, pitched to drain