How Much Should You Charge to Build a New Deck?

Margaret Jul 01, 2026

Building a new deck can significantly enhance your outdoor living space, increase your home's value, and provide a beautiful setting for relaxation and entertainment. But before you start planning, one crucial question arises: how much should you budget for this project? The cost to build a new deck varies greatly depending on several factors. Let's delve into the key aspects that influence the pricing and help you determine a realistic budget.

Building a Deck? Here's How Much It Will Cost — Better Homes & Gardens
Building a Deck? Here's How Much It Will Cost — Better Homes & Gardens

On average, homeowners spend between $15 and $35 per square foot to build a new deck, with the national average hovering around $20 per square foot. However, this range can fluctuate based on various factors, making it essential to understand the cost breakdown.

How Much Does a Wooden Deck Cost to Build?
How Much Does a Wooden Deck Cost to Build?

Deck Material: The Primary Cost Factor

The material you choose for your deck construction is the most significant determinant of the overall cost. Each material has its unique advantages, aesthetics, and price points.

How Much Does It Cost To Build A Deck?
How Much Does It Cost To Build A Deck?

1. Pressure-treated lumber is the most affordable option, with an average cost of $2 to $6 per square foot. It's durable, versatile, and easy to work with. However, it requires regular maintenance to prevent rotting and warping.

Pressure-treated Lumber: Pros and Cons

Attach Backyard Deck to House
Attach Backyard Deck to House

Pressure-treated lumber offers excellent value for money, making it an attractive choice for budget-conscious homeowners. It's also widely available and easy to find at local home improvement stores.

However, keep in mind that pressure-treated lumber has a shorter lifespan compared to other materials and requires periodic staining or sealing to maintain its appearance and protect it from the elements.

Composite Decking: A Low-Maintenance Alternative

How To Build A Deck
How To Build A Deck

Composite decking, made from a combination of recycled plastic and wood fibers, is more expensive than pressure-treated lumber, with an average cost of $5 to $15 per square foot. It's available in various colors and styles, mimicking the appearance of natural wood.

Composite decking is low-maintenance, resistant to rot, insects, and fading, and requires only occasional cleaning. Its longevity and durability make it an excellent investment, despite its higher upfront cost.

Deck Size and Complexity: The Other Major Cost Influencers

Cost to Build a Deck: What You Can Expect to Pay This Year
Cost to Build a Deck: What You Can Expect to Pay This Year

After selecting the material, the size and complexity of your deck design significantly impact the overall cost.

1. Deck size is directly proportional to the cost. Larger decks require more materials and labor, driving up the total expense. On average, a 10x10-foot deck costs around $2,000 to $6,000, while a 20x20-foot deck can range from $8,000 to $20,000 or more.

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Deck Size: Bigger Isn't Always Better

While a larger deck may seem appealing, it's essential to consider your needs and budget. A smaller, well-designed deck can be just as functional and enjoyable as a larger one. Moreover, a smaller deck may be more manageable in terms of maintenance and upkeep.

2. Deck complexity refers to the intricacy of the design, including features like stairs, railings, built-in seating, and multiple levels. More complex designs require additional materials and labor, increasing the overall cost.

Deck Complexity: Simplicity Can Save You Money

Opting for a simple, single-level deck design can help you save on construction costs. However, if you have your heart set on a more elaborate design, consider incorporating these features in phases to spread out the expense.

Other factors that influence the cost of building a new deck include your location, local labor costs, and any necessary permits or inspections. To get a more accurate estimate, consult with local deck builders or use online cost calculators, adjusting for your specific needs and preferences.

In the end, the cost of building a new deck is an investment in your home's value and your family's enjoyment. By understanding the key factors that influence the pricing and making informed decisions, you can create a beautiful, functional outdoor space that suits your budget and meets your needs. So, start planning your dream deck today, and let the fun of outdoor living begin!