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Knoxville, TN · Deck cost · 2026

How much does a deck cost in Knoxville, TN?

Wood or composite deck with railings and stairs. Priced against Tennessee material costs, a typical DIY deck in Knoxville runs about $3,016 in materials — 6% below the national average. These are estimates only, not a quote — enter your real dimensions in the free calculator for a shopping list matched to your build.

Estimates only — not a quote.

Knoxville cost breakdown

EstimateLowTypicalHigh
Knoxville (DIY materials)$2,564$3,016$4,072
National average$2,727$3,208$4,331

Priced from the Tennessee material index — 6% below the national average. Based on a common-size deck; enter your own dimensions for an exact number.

DIY vs. hiring a pro in Knoxville

DIY materials estimate: $3,016. A contractor in the Knoxville market (materials plus about 95 labor hours at ~$46/hr) estimates to $7,166–$9,609. Estimated DIY savings: $5,127 (63%).

Permits in Knoxville

A deck walking surface more than 30 in above grade typically requires a building permit, and footings are usually specified to a 12 in frost depth.

Outside city limits, Knox County is typically the permitting authority.

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Frequently asked questions

How much does a deck cost in Knoxville, TN?

Materials typically run $2,564–$4,072 for a common-size project using Knoxville-area pricing. That is an estimate, not a quote — our free calculator prices your exact dimensions.

Is it cheaper to DIY or hire a contractor in Knoxville?

DIY materials estimate to about $3,016. A local contractor estimates to $7,166–$9,609 at the Knoxville-area labor rate of roughly $46/hr, so DIY could save an estimated $5,127 (63%).

Do I need a permit for a deck in Knoxville?

A deck walking surface more than 30 in above grade typically requires a building permit, and footings are usually specified to a 12 in frost depth. Knox County and the City of Knoxville rules can be stricter than the state baseline — run the free permit lookup for your ZIP before buying materials.

Why is Knoxville deck pricing different from the national average?

We apply a regional material cost index for the Knoxville market — currently 6% lower than the national average. Labor is indexed separately at about $46/hr for the contractor comparison.

Other projects in Knoxville

Deck cost in nearby cities

Looking at the whole state? Deck cost in Tennessee.