Deck Cost Calculator

Estimate your deck building cost with 6 material options and common features. Compare pressure-treated, cedar, composite, PVC, and hardwood pricing with labor estimates.

Deck Length (ft)

Deck Width (ft)

Decking Material

Features & Add-ons

Railing (linear ft)

Stair Steps (#)

Built-in Bench (linear ft)

Skirting (linear ft)

Pergola ($3,500)

Lighting ($1,500)

Include professional labor ($15/sqft)Include building permit ($500)

Total Deck Cost

$11,920

$37/sq ft · 320 sq ft · Composite (Trex/TimberTech)

Cost Breakdown

Item	Cost
Decking (Composite (Trex/TimberTech))	$3,200
Framing (PT lumber)	$640
Hardware (screws, hangers)	$480
Railing (52 lf)	$1,820
Stairs (4 steps)	$480
Professional Labor	$4,800
Building Permit	$500
Total	$11,920

Materials Estimate

Decking Boards

35 boards

20' lengths

Floor Joists

16 joists

2x8 or 2x10, 16" OC

Deck Screws

1120 screws

~3.5 per sq ft

Material Comparison (320 sq ft deck)

Material	Material Cost	Lifespan	10yr Maintenance	Warranty
Pressure-Treated Pine	$2,080	10-15 years	$1,600	Limited lifetime (structural)
Cedar	$3,040	15-20 years	$1,280	None typical
Redwood	$3,680	20-25 years	$1,280	None typical
Composite (Trex/TimberTech)Selected	$4,320	25-30 years	$320	25 years
PVC / Cellular	$4,960	30+ years	$160	Limited lifetime
Ipe (Brazilian Hardwood)	$5,920	40+ years	$640	None typical

How to Use Deck Cost Calculator

1Enter deck dimensions
2Select decking material
3Add features like railing and stairs
4View materials and total cost

Frequently Asked Questions

How much does it cost to build a deck?▾

Pressure-treated wood: $15-25/sqft materials. Composite: $25-40/sqft. Add $15-30/sqft for professional labor. A 300 sqft deck ranges from $4,500 to $21,000 total.

Which decking material lasts longest?▾

PVC: 25-30 years. Composite: 25+ years. Ipe hardwood: 40+ years. Pressure-treated pine: 10-15 years with maintenance. Cedar: 15-20 years.

Do I need a permit to build a deck?▾

Most jurisdictions require a permit for decks over 30 inches above ground or larger than 200 sqft. Always check local building codes.

About Deck Cost Calculator

Estimate your deck building cost with 6 material options and common features. Compare pressure-treated, cedar, composite, PVC, and hardwood pricing with labor estimates.

NexTool's Deck Cost Calculator is completely free to use with no sign-up required. Your data is processed directly in your browser and never sent to our servers, ensuring complete privacy and instant results.