Deck Addition Cost
A new deck expands outdoor living space and adds significant value. Composite decking costs more upfront but eliminates the need for annual staining and lasts 25-30 years with minimal maintenance.
Low Estimate
$7,000
Mid-Range
$20,000
High End
$55,000
Avg ROI
65%
Interactive Cost Estimator
Mid-grade materials, good quality fixtures, standard options.
Estimated Total Cost
$20,000
Based on 200 sq ft at mid quality. Actual costs vary by location and contractor.
Cost Breakdown
Approx. $11,000 at mid-range pricing
Approx. $9,000 at mid-range pricing
Labor-heavy projects (with high labor costs) benefit most from getting multiple contractor bids. You can save on materials-heavy projects by sourcing materials yourself at contractor pricing.
What Affects the Price
- 1Deck size
- 2Material (pressure-treated, composite, cedar)
- 3Height and structure
- 4Railing style
- 5Stairs and features
Popular Upgrades
- Composite decking (Trex)
- Built-in lighting
- Cable railing
Discuss upgrades with your contractor before finalizing the quote. Some upgrades are cheaper to include during initial construction than to add later.
DIY vs. Hire a Pro
Professional installation strongly recommended.
DIY Advantages
- • Save 55% on labor costs ($11,000 at mid-range)
- • Control over timeline and material selection
- • Satisfaction of completing the project yourself
- • Flexibility to work in phases
Pro Advantages
- • Guaranteed workmanship and professional finish
- • Proper permits and code compliance
- • Access to trade pricing on materials
- • Required for safety and code compliance
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