Deck Building Cost in Tennessee (2026)
Deck Building in Tennessee runs about 8% below the national average. A typical 320 sq ft project starts around $4,420–$7,360 for pressure-treated wood. Estimate your exact project below.
Tennessee runs below the national average on cost, though rapid growth around Nashville has tightened its labor market and pushed some prices upward.
Reviewed by the AnyCoster Research Team · How we estimate costs
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 Tennessee.
Deck Building cost in Tennessee by material
Installed cost for a typical 320 sq ft project in Tennessee.
| Material | Per sq ft | Typical TN project |
|---|---|---|
| Pressure-treated wood | $13.8–$23.0 | $4,420 – $7,360 |
| Cedar / redwood | $23.0–$36.8 | $7,360 – $11,780 |
| Composite (Trex-style) | $27.6–$55.2 | $8,830 – $17,660 |
What affects your Tennessee cost
- Decking material and railing style
- Height off the ground and stairs
- Footings, framing and permits
- Built-ins (benches, pergola, lighting)
- Local labor rates
Deck Building in Tennessee: local factors that move the price
Climate & weather
Humid summers, mild-to-cold winters, and heavy rainfall bring moisture and occasional flooding, while the state's storm exposure makes wind resistance relevant. Good drainage and mildew-resistant finishes help.
Regional norms in Tennessee
Brick and vinyl siding with pitched roofs are common across the state.
Best time to schedule
Fall and spring offer the most comfortable conditions for exterior work.
Permits & code
Most Tennessee jurisdictions require permits for structural and electrical work, with requirements varying between cities and rural counties.
Tennessee deck building — FAQ
How much does deck building cost in Tennessee?
In Tennessee, a typical 320 sq ft deck building project runs about $4,420–$7,360 for pressure-treated wood, installed. That's about 8% below 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 Tennessee?
In Tennessee, installed deck runs about $13.8–$55.2 per sq ft depending on material (pressure-treated wood $13.8–$23.0, cedar / redwood $23.0–$36.8, composite (trex-style) $27.6–$55.2). That's about 8% below the national average.
Do I need a permit for deck building in Tennessee?
Most Tennessee jurisdictions require permits for structural and electrical work, with requirements varying between cities and rural counties. Always confirm requirements with your local building department, and factor permit time and inspections into your schedule.
When is the best time to do deck building in Tennessee?
Fall and spring offer the most comfortable conditions for exterior work. Humid summers, mild-to-cold winters, and heavy rainfall bring moisture and occasional flooding, while the state's storm exposure makes wind resistance relevant. Good drainage and mildew-resistant finishes help.
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.
Top cities in Tennessee
Metro-level deck building costs — usually a bit above the Tennessee state average.