This tool provides rough estimates for planning purposes only. Actual project costs depend on site conditions, accessibility, existing structure, railings, stairs, permits, and design complexity. All projects require an on-site consultation for accurate pricing.
Decking
Enter Sq Ft
L × W Layout
Square Feet
Tap sides to toggle Railing / House / Open · Tap stairs to move
20'
21'
420 sf
STAIRS
Railing
House
Open
Stairs
Deck: 420 sf
Railing: 57 lf
Stairs: Top
Ipe
$65 / sf
Brazilian hardwood · 40–75 yr
Trex
$55 / sf
Composite · 25–50 yr
Cedar
$50 / sf
Natural wood · 15–25 yr
Railing
No Railing
Include Railing
Wood
$45 / lf
Cable
$65 / lf
Glass
$85 / lf
Stairs
No Stairs
Include Stairs
Deck surface to grade (inches)
Width of staircase (inches)
Rise per step:6"
Run per step:11"
Number of steps:6
Total run:66"
Stair sq ft:22 sf
* Height over 36" requires stair railing (both sides)
Estimate
Decking
420 sf × $55/sf (Ipe)$23,100
Railing
Deck railing: 40 lf$1,800
Stair railing: 0 lf$0
Wood @ $45/lf$1,800
Stairs
6 steps × 48" wide~22 sf
Stair construction$1,650
Estimated Total$26,550
Compare Materials
Ipe
$26,550
Trex
$22,350
Cedar
$20,250
For estimation purposes only — this is not a quote