Platform Deck Cost: Building Prices & Estimates

Linda Jul 20, 2026
How to Build a Low Deck on Budget
How to Build a Low Deck on Budget

The cost to build a platform deck can vary significantly depending on several factors, including the size of the deck, the materials used, and the complexity of the design. For homeowners who are looking to enhance the value of their property, a well-designed platform deck can be a worthwhile investment.

How to Build a Low Deck on Budget
How to Build a Low Deck on Budget

One of the primary considerations when calculating the cost of a platform deck is the type of materials used. Pressure-treated lumber, for example, is a popular choice for deck building due to its durability and affordability. However, it may require additional maintenance and can be more expensive than other options like composite decking or hardwoods.

How to Build a Cheap Ground-Level Deck
How to Build a Cheap Ground-Level Deck

Deck Size and Material Costs

The size of the deck is another critical factor that influences the overall cost. Larger decks require more materials, which can increase the cost. Additionally, the cost of materials can vary depending on the type and quality of the materials chosen.

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

For example, a deck with a 10x20 foot footprint made from pressure-treated lumber may cost around $3,000 to $5,000, depending on the design and features. In contrast, a deck with a 10x30 foot footprint made from composite materials may cost between $6,000 to $10,000.

Material Costs Breakdown

How to Build a Deck
How to Build a Deck

When calculating the cost of materials, it's essential to consider the following factors:

  • Decking boards: $2 to $10 per linear foot, depending on the material and quality
  • Joists and beams: $50 to $100 per piece, depending on the size and material
  • Posts and footings: $50 to $200 per piece, depending on the size and material
  • Railings and balusters: $100 to $500 per piece, depending on the material and design

Design and Feature Costs

Easy Step-by-Step Guide to Building a Ground Level Deck
Easy Step-by-Step Guide to Building a Ground Level Deck

The cost of a platform deck can also be influenced by the design and features chosen. For example, adding a built-in bench or a pergola can increase the cost. Additionally, the cost of electrical and plumbing installations, if required, can add significant expenses.

Homeowners should also consider the cost of labor, which can range from $30 to $75 per hour, depending on the location and the contractor's experience. The total cost of labor can add up quickly, especially for complex projects.

Permits and Inspections

a woman using a drill to build a deck for less than $ 500
a woman using a drill to build a deck for less than $ 500

In addition to the cost of materials and labor, homeowners may also need to factor in the cost of permits and inspections. Building codes and regulations can vary depending on the location, and homeowners may need to obtain permits and undergo inspections to ensure compliance.

The cost of permits and inspections can range from $500 to $2,000, depending on the complexity of the project and the local regulations. Homeowners should check with their local authorities to determine the specific requirements and costs associated with their project.

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Building a Deck? Here's How Much It Will Cost — Better Homes & Gardens
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Building a Deck on a Budget - CityGirl Meets FarmBoy

Permit Costs and Requirements

Homeowners should be aware of the following permit costs and requirements:

  • Building permit: $500 to $2,000, depending on the size and complexity of the project
  • Electrical permit: $100 to $500, depending on the scope of the electrical work
  • Plumbing permit: $100 to $500, depending on the scope of the plumbing work

Ultimately, the cost to build a platform deck can be influenced by a variety of factors, including the size of the deck, the materials used, and the complexity of the design. Homeowners should carefully consider these factors and consult with a professional contractor to determine the best course of action for their project.