How Much Does a Floating Deck Cost? [2025 Data]

This article was created using automation technology and thoroughly fact-checked and edited by an Angi Editor in accordance with our AI policy.

A floating deck costs an average of $4,500 nationwide, with most homeowners paying between $2,500 and $14,750 for installation on average. The cost per square foot ranges from $20 to $60, depending on deck size, material, and labor. Understanding these factors helps you plan your floating deck project and budget effectively.

A floating deck adds accessible outdoor living space without the complexity of traditional deck foundations. Let’s walk through what impacts floating deck costs, so you can make smart decisions for your home.

Floating Deck Installation Cost Factors

Several factors influence your final floating deck cost, beyond just size and style. Let’s break down the main considerations:

Deck Size

The size of your floating deck is one of the most significant factors affecting your cost. Larger decks require more materials and labor, which increases the total price. Standard sizes, such as 10 feet by 10 feet, 12 feet by 16 feet, or 20 feet by 20 feet, each have different cost implications. Most floating deck installations are priced by the square foot, with rates landing between $20 and $60 per square foot.

While larger decks may benefit from economies of scale—reducing the per-square-foot price—they still come with higher total costs. Multi-level or unusually shaped decks also increase expenses, as they require more planning, materials, and skilled labor.

Style

Floating deck style also plays a key role in floating deck costs. Common styles include ground-level, multi-tiered, platform, and freestanding decks. Simpler, ground-level decks are the most affordable, while multi-tiered or custom-designed decks with curves, built-in seating, or planters increase costs due to greater complexity and labor.

Basic floating decks are easier to maintain and install but may offer fewer features. Custom or multi-level decks can create a unique outdoor space but require more investment.

Location

Where you live has a significant influence on your floating deck costs. Labor rates, material prices, and climate all vary across regions. Urban areas often see higher labor costs, while rural locations may face increased delivery fees or limited contractor options. Local building codes and climate factors, such as hurricane zones or frost lines, can require additional supports or materials, raising costs.

Labor

Floating deck installation involves skilled professionals such as general contractors, carpenters, or deck specialists. Labor rates range from $15 to $35 per square foot, depending on location and expertise. Minimum service fees can make small projects more expensive per square foot. More complex designs, difficult site conditions, or tight schedules can increase labor costs further.

Permits

Permits are often required for floating deck installation, especially if the deck exceeds a certain height or is located in a regulated area. Deck permit costs range from $50 to $500, depending on your city or county. Obtaining permits may require submitting plans and passing inspections, which can add to your timeline and budget.

Features

Adding features such as deck railings ($20 to $60 per linear foot), stairs ($25 to $50 per step), built-in benches, planters, or lighting will increase your floating deck cost. 

Customizations like unique shapes or accessibility features (such as ramps) can require extra materials and labor. Upgrades such as composite decking or integrated lighting also add to the total project price.

Additional Cost Factors

Consider the impact of these other costs on your floating deck budget:

• Project complexity, such as multi-levels or curves, increases design and labor needs.

• Accessibility issues, such as small yards or tight spaces, can raise delivery and labor costs.

• Site preparation, including grading or debris removal, adds to your total.

• Delivery fees for heavy materials and post-construction cleanup may apply.

• Design or architectural fees are common for custom plans.

• Some areas require inspections, which can add to your costs.

Additional Costs to Consider

Floating deck costs go beyond installation. Here are a few other expenses to keep in mind:

Warranties

Many contractors and manufacturers offer warranties on materials or workmanship. These can be included or come at an additional cost. Warranties provide peace of mind and may save you money on repairs, but longer or more comprehensive coverage increases upfront cost.

Operating Costs

Ongoing costs for floating decks include cleaning supplies, sealants, and seasonal care. If you add electrical features, such as lighting, you’ll see a small increase in your utility bills.

Maintenance

Maintenance requirements depend on your deck material. Wood decks require annual cleaning and sealing, which costs $150 to $400 per year. Composite decking is lower maintenance, needing only periodic washing. Regular care extends the life of your deck and can prevent expensive repairs later.

Taxes

Installing a floating deck could increase your property taxes, depending on local assessments. Some municipalities assess home improvements annually, which could slightly raise your tax bill.

Insurance

A new floating deck may impact your homeowners' insurance premiums. Some insurers require notification and may charge a small premium increase to cover additional liability. Contractors should carry their own insurance during installation, and you’ll want to confirm coverage for accidents or damage related to your deck.

DIY Floating Deck vs. Hiring a Pro

Homeowners often wonder if building a floating deck themselves can save money. DIY floating deck costs are limited to materials, tools, and any equipment rental. By handling the labor, you avoid those charges, which account for an average of 50% of your deck costs. 

While you’ll save on labor costs, you’ll still pay for lumber, fasteners, blocks, and finishes. DIYers need the right skills, safety equipment, and a significant time investment. Most DIY floating decks take a week or more to build, while professionals can complete the job in two to five days.

DIY projects come with risks, including structural mistakes or failing to meet code. If you’re not confident in your abilities, hiring a pro is best for durability and safety.

Floating Deck Replacement vs. Repair

Deciding between repairing or replacing a floating deck depends on the extent of the damage and the deck’s age. Minor issues, such as loose boards or surface stains, are good candidates for repair, costing $250 to $2,500. If your deck has widespread rot, structural issues, or is nearing the end of its lifespan, replacement is safer and more cost-effective. If repair costs exceed 50% of replacement, replacement is recommended.

Older decks may lack safety features or be out of warranty, making replacement a better investment in the long run. Always consider longevity and safety when deciding.

Does a Floating Deck Add Value to Your Home?

A floating deck can add value by improving your home’s outdoor living space and boosting curb appeal. The average return on investment (ROI) for floating deck projects is 40% to 55%, which is competitive with other outdoor improvements. High-quality materials, professional installation, and a design that fits local trends all help maximize ROI.

Beyond resale value, floating decks create appealing spaces for entertaining, relaxing, and enjoying your yard. Prioritizing safety, efficiency, and universal design can further increase your home’s appeal to buyers.

Tips to Reduce Cost While Installing a Floating Deck 

Consider these cost-saving strategies to make your floating deck project more budget-friendly:

• Choose economical materials that offer durability and low maintenance.

• Opt for a simple, standard deck design to minimize labor and material costs.

• Get multiple quotes from local deck builders to compare floating deck costs.

• Schedule installation during the off-season for potential discounts.

• DIY certain tasks, such as site prep or finishing, if you have the skills.

• Maintain your floating deck regularly to avoid costly repairs.

How Angi Gets Its Cost Data

Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects. 

Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.