
The cost of terrazzo countertops is based on several factors, including installation, materials, and size. Read on to find out what to know about pricing.
The cost to install a kitchen island is $4,800 on average, but it can cost between $900 and $6,500 or more depending on if you choose a custom or prefabricated option.


A prefabricated kitchen island cart is the least expensive option. Prefabricated stationary islands will cost up to five times as much, and custom islands can be ten times as costly.
The size and style of the island are important cost factors, but don’t forget to consider the cabinet and countertop materials, which can add thousands to your total.
Be sure to budget for plumbing and electrical permits if you plan on installing sinks, outlets, light fixtures, and appliances in or above your kitchen island.
Paying for a professional designer will add thousands to your total but can help maximize kitchen efficiency and ROI.
If you are looking to add counter space and storage to your kitchen, an island is a popular choice. Freestanding kitchen islands are versatile, providing extra seating, a place for food prep, and sometimes even an extra cooking surface. The average cost of a kitchen island is about $4,800. Rolling kitchen carts, however, can run as little as $100 to DIY and work just as well in small spaces or if you aren’t ready to commit to a permanent installation. Custom-built kitchen islands can be $10,000 or more. Cost factors include the size, counter and cabinet material, and features such as a bar, a sink, and built-in appliances.
When shopping for a new kitchen island, you have the choice between a prefabricated, ready-to-install factory model or a custom build. If you’re unsure which option is right for you and your kitchen needs, speak with a countertop installer near you—they can discuss the possibilities for your space and budget.
Here are the potential price differences between the two.
| Kitchen Island Type | Average Cost, Installed | Characteristics |
|---|---|---|
| Prefabricated cart | $150–$900 | Limited styles are available, however, the best option for limited space and budget. |
| Prefabricated stationery | $900–$5,000 | Ready-made options available in standard sizes. Limited options are available but can offer more space than carts. |
| Custom | $3,000–$10,000 | They are entirely customizable in size, shape, materials, and features. Custom islands are the most expensive option available. |
You have two options for prefab kitchen islands: rolling carts and stationary. If you are tight on space but need extra storage, a rolling cart island is the best option. They cost $150 to $900 and can be easily removed when not in use.
Prefab stationery islands are available in standard sizes to match most kitchens and have more shelving and drawers than a cart. These islands are ready-made, so they don’t offer customization but come in more styles than carts. Depending on the model, these cost $900 to $5,000.
Custom-built kitchen islands cost more than prefab ones, but you have (nearly) endless options for customization, size, and add-ons to make your island fit your exact taste and needs.
The average cost is between $3,000 and $6,000, though larger, more complex islands with special features and high-end materials could run as much as $10,000. A local countertop pro can help you create the perfect custom-built island.
Your final kitchen island cost depends on several factors. These are the main variables that will play into your total cost, and while we’ve dug into quite a bit, it’s always best to talk to a countertop installer near you to get a precise quote for your island.
As the size of a kitchen island increases, so does the cost. However, there are exceptions. For instance, opting for a prefabricated island over one that allows for customization can offer some cost savings. Still, in general, a larger island will result in a higher overall expense due to the increased footprint.
| Kitchen Island Size | Dimensions (LxW), in Feet | Seating Options |
|---|---|---|
| Small | 4x2 | No seating options |
| Medium | 6.5x3 | Seats two chairs |
| Large | 10x3.5 | Seats up to four chairs |

Along with the size, the shape of your kitchen island will play a key role in your overall kitchen island cost. Here’s what the cost generally looks like for these popular shapes.
| Kitchen Island Style | Average Cost, Installed | Qualities |
|---|---|---|
| Rolling cart | $100–$900 | Has wheels for mobility and simple storage in addition to being DIY-friendly. |
| Rectangular | $500–$2,000 | Works well in any kitchen space—but it's especially complimentary of an open floor plan design. |
| L-shaped | $1,000–$7,500 | Can come with unique features like sinks, dishwashers, cooktops, and lots of seating, making it highly versatile. |
| U-shaped | $2,000–$10,000 | This most expensive option is typically custom-built and works best in large kitchens. They offer ample space for cooking, seating, and storage. |
| Galley | $500–$6,000 | These work best for galley kitchens but can work well in any kitchen floor plan, assuming there is enough space. Their shape is similar to a rectangular island, only longer. |
Kitchen islands consist of various components, including cabinetry, shelving, countertops, and storage features. Optional add-ons may include seating areas, appliances, electricity, and plumbing.
In any case, the quality of materials chosen for these components influences the overall cost of your kitchen island. For example, natural stone countertops like granite or marble are more expensive than laminate or butcher block options.
We’ve listed just some of the available options to consider when crafting your dream kitchen island. Depending on your budget and space, not all of these will be applicable. Speak with your countertop installation specialist to determine what works best for your kitchen.
| Kitchen Island Materials | Average Cost, Installed |
|---|---|
| Cabinets | $100–$1,300 per linear foot |
| Countertops | $20–$350 per square foot |
| Sink | $400–$1,500 |
| Faucet | $125–$300 |
| Dishwasher | $700–$2,000 |
| Garbage disposal | $250–$550 |
| Oven and range | $700–$1,800 |
| Built-in wine cooler | $300–$3,000 |
| Lighting | $100–$300 per light |
| Plumbing pipes | $500–$1,900 |
| Gas lines | $15–$30 per linear foot |
| Electrical wiring | $7–$12 per linear foot |
| GFCI outlets | $150–$400 |
The National Electric Code states that kitchen islands bigger than 2’x1’ must have at least one electrical outlet. If your kitchen island is larger than 9 square feet, you must have two or more outlets.
A straightforward assembly of a mostly prefabricated island can be estimated based on a handyperson's hourly rate, which often ranges from $50 to $150 per hour.
Custom builds will likely require the price of a general contractor, who typically charges a percentage of the overall project cost, which can range from 10% to 20%. In addition to the project-based fee, a general contractor may charge around $300 to $500 per day for their services and potentially more, while each helper or laborer may be charged at a rate of $150 to $250 per day.
The average cost of hiring an electrician is between $165 and $535, but costs vary significantly based on the type and extent of the work needed. An electrician will need to wire features such as light fixtures, electrical outlets, and garbage disposals properly.
Hiring a plumber costs anywhere from $45 to $200 per hour, depending on their experience level and local labor rates in your area. If you’re installing a sink, wet bar, or other plumbing fixture, bringing in a certified plumber is important to ensure it’s installed properly.
Gas line installations cost an average of $260 to $820. If you are installing a gas cooktop or similar gas-powered feature on your kitchen island, you'll need to factor this expense into your budget.
A kitchen remodel is an ideal time to convert from electrical appliances to newer, more energy-efficient natural gas appliances. Since you may already be upgrading your stove, range, or backsplash, your contractor can easily access the area to install a new gas line.
A freestanding island can often be placed directly on the existing flooring, but for a permanent installation, it may be necessary to cut away sections of the flooring to create space for roughing in the island and add molding for a finished look. In cases where the island is particularly heavy, it might be necessary to reinforce the existing flooring to ensure safe support.
The cost of hiring a contractor to remove flooring, strengthen joists, or replace flooring will depend on the extent of the work required and the type of new flooring chosen by the customer.
When undertaking a major kitchen renovation where the island becomes an integral part of the overall design, enlisting a professional kitchen designer costs anywhere from $4,300 to $30,000. Expenses can be lower if the designer's involvement is limited to a specific aspect of the project.
While experienced contractors can often provide guidance on layout and general design, a designer can assist in coordinating all construction, style, and decor elements to achieve a cohesive result.
For those considering prefabricated or partially custom kitchen islands, collaborating with a kitchen designer at a home improvement store is worth considering. These designers possess expertise in the cabinetry and fixtures offered by the store, and in-house designers at home improvement stores are often accessible at no additional cost.
With the right tools, removing a kitchen island without electricity, running water, or gas lines is easy. If your island does have hookups, a professional demo costs as little as $400. A junk removal company costs between $130 and $400.This is a great option if you need to dispose of something really big or heavy, like a piece of granite countertop.

There are kitchen island installations you can potentially DIY, but complex projects with amenities and custom designs require a professional’s expertise and skills. For example, you’ll need to hire a countertop contractor near you to install heavy countertop materials like natural stone. You’ll also need to get various pros to help install features that involve work on electrical, water, or gas lines.
Here are the various reasons why you should hire a countertop contractor:
Get expert advice on the best options for your kitchen island—including the style, countertop material, and edging—based on your budget and preferences.
It’s essential to hire pros to install heavy countertop materials like quartz and natural stone, which weigh 15 to 25 pounds per square foot, for safety reasons.
Your contractor will prep your kitchen island to withstand heavy countertop materials for a long-lasting and safe installation.
Your countertops will be precisely cut to ensure a clean, professional look.
Hiring an electrician and plumber is necessary for features like a dishwasher, oven, sink, and outlets.
Your countertop contractor will obtain the necessary permits and complete the work according to local building code.
DIYing a simple kitchen island is possible in some circumstances:
The easiest kitchen island to DIY is a rolling cart, especially if you have it delivered to your home.
You can potentially DIY lighter materials like butcher block and laminate countertops as long as you have enough hands on deck to help.
Prefabricated kitchen islands are ideal for DIY jobs because they come with all the necessary parts and instructions.
Follow these cost-saving tips to reduce the project price.
Carefully plan your kitchen island project before starting, as making changes midway through the project can lead to additional expenses and delays.
Prioritize your expenses and make cost-conscious decisions based on what’s most important to you.
Opt for prefabricated or partially custom options.
For people with the skills and know-how, consider a DIY install of a prefab kitchen island.
Research different suppliers, materials, and contractors to find the best prices.
Keep an eye out for sales and other discounts when purchasing materials, appliances, or fixtures for your kitchen island.
Just as a kitchen remodel can increase home value, so can a new kitchen island. A kitchen island's extra counter space, beauty, and functionality will likely impress potential home buyers. You can expect an ROI of about 60% to 80% of the cost of your kitchen island installation.
Be ready to discuss with your pro the type of kitchen island you want, including its size, shape, and countertop material.
Have an idea of which amenities you’d like to add to the island, so your countertop contractor can help you with the design.
Find out if you’ll be responsible for hiring other pros, such as an electrician and plumber.
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.
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