Basic
$22 – $49 per sq ft
Entry-level capped composite boards in a solid color, treated frame on concrete footings, treated wood railing
New ground-level or low deck built with composite (synthetic wood) decking on a pressure-treated frame, including footings and basic railing, per square foot of deck.
Synthetic Wood Deck in Washington, District of Columbia typically costs $26 to $58 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Washington are 5.0% higher than the national average for synthetic wood deck.
National average: $25 – $55 per sq ft
$22 – $49 per sq ft
Entry-level capped composite boards in a solid color, treated frame on concrete footings, treated wood railing
$26 – $58 per sq ft
Mid-grade capped composite in a wood-grain multi-tone, hidden fasteners, treated frame, composite railing and balusters
$33 – $72 per sq ft
Capped composite with streaked multi-tone grain, picture-frame border, hidden fasteners, composite rail with black aluminum balusters
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $12 – $26 | sq ft |
| Labor | labor | $9.10 – $20 | sq ft |
| Supplies & Other | supplies | $3.15 – $6.93 | sq ft |
| Equipment & Disposal | equipment | $2.10 – $4.62 | sq ft |
Connect with local synthetic wood deck contractors in Washington for personalized quotes based on your specific project.