Deck Building Cost in Denver (2026)
Deck Building in Denver runs about 10% above the national average. A typical 320 sq ft project starts around $5,280–$8,800 for pressure-treated wood. Estimate your exact Denver project below.
Deck Building Cost Calculator
Adjust the details for an installed-cost range tailored to you.
Length × width of the deck surface. A 16×20 deck is 320 sq ft.
Ballpark estimate for planning — not a quote.
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Deck Building cost in Denver by material
Installed cost for a typical 320 sq ft project in Denver.
| Material | Per sq ft | Typical Denver project |
|---|---|---|
| Pressure-treated wood | $16.5–$27.5 | $5,280 – $8,800 |
| Cedar / redwood | $27.5–$44.0 | $8,800 – $14,080 |
| Composite (Trex-style) | $33.0–$66.0 | $10,560 – $21,120 |
What affects your Denver cost
- Decking material and railing style
- Height off the ground and stairs
- Footings, framing and permits
- Built-ins (benches, pergola, lighting)
- Local labor rates
Denver deck building — FAQ
How much does deck building cost in Denver?
In Denver, a typical 320 sq ft deck building project runs about $5,280–$8,800 for pressure-treated wood, installed. That's about 10% above the national average — metro labor and permit costs in Denver tend to run higher than the Colorado state average. Use the calculator above for your exact size and material.
How much does deck building cost per sq ft in Denver?
In Denver, installed deck runs about $16.5–$66.0 per sq ft depending on material (pressure-treated wood $16.5–$27.5, cedar / redwood $27.5–$44.0, composite (trex-style) $33.0–$66.0). That's about 10% above the national average.
How much does it cost to build a deck in 2026?
A typical 320 sq ft deck runs about $5,000–$8,000 in pressure-treated wood, or $10,000–$19,000 in composite, installed. Size, height, railings and material drive the price — use the calculator for a localized estimate.
Is composite decking worth it?
Composite costs roughly 1.5–2× wood up front but eliminates staining/sealing and lasts 25–30+ years, so total cost of ownership is often lower. It's the popular choice for homeowners who don't want annual maintenance.
Deck Building cost across Colorado
Denver runs about 10% above the national average. See the full Colorado breakdown and statewide averages.
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