Deck Building Cost in Oregon (2026)
Deck Building in Oregon runs about 12% above the national average. A typical 320 sq ft project starts around $5,380–$8,960 for pressure-treated wood. Estimate your exact 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.
Get your exact price from local deck pros
This is a ballpark — compare up to 3 free, no-obligation quotes from vetted contractors in Oregon.
Deck Building cost in Oregon by material
Installed cost for a typical 320 sq ft project in Oregon.
| Material | Per sq ft | Typical OR project |
|---|---|---|
| Pressure-treated wood | $16.8–$28.0 | $5,380 – $8,960 |
| Cedar / redwood | $28.0–$44.8 | $8,960 – $14,340 |
| Composite (Trex-style) | $33.6–$67.2 | $10,750 – $21,500 |
What affects your Oregon cost
- Decking material and railing style
- Height off the ground and stairs
- Footings, framing and permits
- Built-ins (benches, pergola, lighting)
- Local labor rates
Oregon deck building — FAQ
How much does deck building cost in Oregon?
In Oregon, a typical 320 sq ft deck building project runs about $5,380–$8,960 for pressure-treated wood, installed. That's about 12% above the national average. Higher-end materials cost more — use the calculator above for your exact size and material.
How much does deck building cost per sq ft in Oregon?
In Oregon, installed deck runs about $16.8–$67.2 per sq ft depending on material (pressure-treated wood $16.8–$28.0, cedar / redwood $28.0–$44.8, composite (trex-style) $33.6–$67.2). That's about 12% 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.