How Much Does It Cost to Build a Deck? (2025 Guide)

Deck Cost by the Numbers: 2025 Averages

For a quick overview, here are the typical price ranges you can expect for a professionally built deck. These figures account for standard materials, labor, and basic site preparation.

Key Factors Driving Your Deck's Final Cost

While the "per square foot" price is a great starting point, several variables can swing your total cost significantly. Understanding these factors will help you create a realistic budget.

Size and Shape

Size is the single biggest cost driver. A larger deck requires more materials (decking, framing, hardware) and more labor hours. A simple square or rectangular design is the most cost-effective. Complex shapes with multiple levels, curves, or intricate inlays require more cutting, result in more material waste, and demand more skilled labor, increasing the price.

Decking Materials

The surface material you choose is the second most influential factor. From budget-friendly pressure-treated pine to premium composite decking, the price range is vast. We'll cover this in detail below, but popular options include:

• Pressure-Treated Wood: Most affordable, but requires regular maintenance.
• Cedar & Redwood: Mid-range cost with natural resistance to rot and insects.
• Composite & PVC: High-end price with low maintenance and long lifespan.
• Exotic Hardwoods & Aluminum: Premium options with the highest durability and cost.

Labor Costs

Labor typically accounts for 50-60% of the total project cost, generally running $15 to $35 per square foot. This fee covers:

• Site preparation and grading
• Digging and pouring concrete footings
• Building the substructure (frame)
• Installing the decking and railings
• Cleanup and debris removal

Labor rates vary by region, contractor experience, and job complexity. A simple, ground-level deck will have lower labor costs than a second-story deck with complex stairs.

Design Complexity and Features

Upgrades and custom features can quickly add to your budget. Consider the cost of these common add-ons:

• Stairs: $20 - $40 per linear foot.
• Railings: $25 - $150 per linear foot, depending on material (wood vs. cable or glass).
• Pergola or Roof: $3,000 - $9,000+
• Built-in Benches or Planters: $500 - $2,000
• Low-Voltage Lighting: $800 - $3,000
• Skirting: $20 - $35 per linear foot to enclose the underside of the deck.

Deck Cost by Size (Common Examples)

To help you visualize your budget, here are cost estimates for three common deck sizes using different material tiers.

How Much Does It Cost to Build a Deck by Material?

Choosing the right material is a balance of aesthetics, budget, and long-term maintenance tolerance. Here's a breakdown of the most common options.

Pressure-Treated (PT) Lumber

• Installed Cost: $15 - $30 per sq. ft.
• Pros: Most affordable option, widely available.
• Cons: Prone to warping, cracking, and splintering. Requires annual cleaning and sealing to prevent rot.

Cedar and Redwood

• Installed Cost: $25 - $45 per sq. ft.
• Pros: Beautiful natural appearance, naturally resistant to rot and insects.
• Cons: Softer wood that can dent easily. Requires regular staining to maintain its color.

Composite and PVC Decking

• Installed Cost: $35 - $60 per sq. ft.
• Pros: Extremely durable, low-maintenance (no staining or sealing), and resistant to fading, scratching, and mold. Brands like Trex and TimberTech offer long warranties.
• Cons: Higher upfront cost. Can get hot in direct sun.

Aluminum Decking

• Installed Cost: $50 - $80+ per sq. ft.
• Pros: Completely waterproof, cool to the touch, and extremely strong yet lightweight. Will not rot, rust, or crack.
• Cons: Highest initial investment. Can be noisy to walk on.

For a deeper dive, explore our full guide to choosing the right decking materials.

DIY vs. Hiring a Professional Deck Builder

Building a deck yourself can save you 50% or more on the final price by eliminating labor costs. However, it's a labor-intensive project that requires specific tools, skills, and knowledge of local building codes.

If you have significant construction experience, building your own deck can be a rewarding project. For most homeowners, hiring a vetted contractor ensures the deck is built safely, correctly, and to code.

Hidden Costs: Permits, Demolition, and Codes

Beyond materials and labor, a few other expenses can impact your budget.

• Building Permits: Most decks require a permit to ensure they meet safety standards. Permit fees typically range from $225 to $500. Your contractor usually handles this process.
• Old Deck Removal: If you're replacing an existing deck, expect to pay $5 to $15 per square foot for demolition and disposal.
• Site Preparation: If your yard has a significant slope or requires extensive grading, your foundation costs may increase.
• Inspections: Your municipality will likely require one or more inspections during construction (e.g., for footings and framing), which may have associated fees covered in your permit.

ROI: Is Building a Deck a Good Investment?

Yes, building a deck is generally a good investment that enhances your home's value and curb appeal. According to the Remodeling 2023 Cost vs. Value Report, a wood deck addition can recoup over 50% of its cost at resale, while a composite deck can recoup over 40%. Beyond the financial return, the added functional living space provides immense value for your family's enjoyment.