Kitchen Island Cost in NJ (2026): From a Stock-Cabinet Island to Custom With a Sink

Kitchen Island Cost in NJ by Type

Island prices spread wide because "island" covers everything from a run of stock base cabinets with a laminate top to a piece of furniture with a sink in it. These are the ranges we publish for built-in islands in Mercer and Bucks County homes, installed, in 2026.

Three things move an island from one row to the next: the cabinet line, the countertop, and whether water, power, or gas has to come up through the floor. The next three sections take them one at a time.

One thing this table does not price: the freestanding carts and ready-made islands sold online. Those are furniture. They are not anchored to the floor, wired, or plumbed, and they are a different purchase from a built-in island.

A peninsula costs less

A peninsula runs $2,000 to $8,000 in New Jersey. It attaches to a wall or an existing cabinet run, so wiring and plumbing come from the wall instead of up through the floor. Converting an existing peninsula into an island costs $1,500 to $5,000, depending on whether a load-bearing wall, plumbing, or electrical is involved. Our kitchen island vs. peninsula guide compares the two on space, seating, and storage.

What Goes Into an Island's Price, Line by Line

Here is how we break down a built-in island. The low end is a small stock island with no utilities; the high end is a large island with stone, a sink, and outlets.

Utilities cost more on an island than anywhere else in the kitchen because nothing is in a wall. Wires and pipes come up through the floor, and the price depends on whether that floor is a concrete slab or wood framing. On top of the table above:

• A cooktop on the island needs ventilation: a ceiling-mounted range hood runs $800 to $3,000 with installation, or a downdraft system $600 to $2,000. A gas cooktop also needs a gas line, which is plumbing work under a permit.
• A fluted or reeded island front adds $600 to $1,800.
• Permits for the wiring or plumbing typically run $100 to $350 per subcode in Mercer County. More in the permits section below.

Island Cabinets: Stock, Semi-Custom, or Custom

The cabinet line decides where you land inside that $1,000 to $5,000 cabinetry line, and how long you wait. The lead times we publish for each kind of line:

• Stock cabinets: 1 to 2 weeks. Pre-built in standard sizes, with limited door styles and finishes. This is the cabinet in our basic stock island.
• Semi-custom cabinets: 4 to 8 weeks. Widths in 3-inch steps and a good range of styles and finishes.
• Custom cabinets: 8 to 14 weeks from design approval to installation. Built to exact dimensions, any species or finish, and the only route to a curved end.

Many New Jersey homeowners mix the two: custom cabinetry on the island and the range wall, where precision matters most, and semi-custom on the rest of the perimeter. See our custom cabinets in NJ page for door styles, wood species, and finishes. An island also adds 6 to 10 linear feet to your kitchen's cabinet count, which is how it shows up in our NJ cabinet installation cost guide.

Our Ewing showroom carries Fabuwood, Yorktowne, World Cabinetry, Cubitac, St. Martin, WoodConcept, and Wood Harbor, so you can price the same island in two or three lines side by side.

Island Countertop Cost by Material

A 7-foot island with a 12-inch seating overhang along one long side seats three and has a top about 7 feet by 3 feet, or 21 square feet. Here is what that top costs installed, using the per-square-foot prices from our countertop guides.

Every extra foot of length on a 3-foot-deep island adds 3 square feet, or $150 to $450 in quartz. Premium and exotic granite runs well past the rows above, up to $275 or more per square foot. For how quartz brands are priced, see quartz countertop prices in NJ; for the grades and slab yards, see granite countertop cost in NJ.

How Much Space an Island and Its Seats Need

Before you price an island, make sure it fits. The National Kitchen & Bath Association's Kitchen Planning Guidelines set the clearances designers work to:

• Work aisle: 42 inches for one cook, 48 inches for more than one, measured between the counter edges (Guideline 6).
• Walkway: 36 inches where nobody works (Guideline 7).
• Behind seated guests: 32 inches if nobody passes, 36 inches for someone to edge past, 44 inches to walk past (Guideline 8).
• The work triangle between sink, cooktop, and refrigerator should not cut through an island by more than 12 inches (Guideline 3).
• A cooktop on an island needs at least 9 inches of counter behind it when the counter is at cooktop height.

For seating, NKBA Guideline 9 gives each seat 24 inches of width and a knee space that depends on the counter height:

The room-width math

Put a 3-foot-deep island between two runs of 24-inch-deep base cabinets with 42-inch work aisles on both sides, and the room needs to be about 14 feet across: 24 + 42 + 36 + 42 + 24 = 168 inches. With 36-inch walkways and a 2-foot work island it is 12 feet, which is why we treat a 12 x 12 kitchen as the smallest that takes an island. Below that, a peninsula usually fits better. Standard cabinet sizes are in our kitchen cabinet dimensions guide.

Does an Island Need an Outlet in NJ? Not Since August 17, 2026

Many cost guides still say an island must have an outlet. In New Jersey that changed this year. The state's 2024 Uniform Construction Code update, effective August 17, 2026, adopts the 2023 National Electrical Code as the electrical subcode. In its adoption notice (58 N.J.R. 8(2)), the Department of Community Affairs says the 2023 edition "ensures that, if provided, receptacle outlets on island and peninsular countertops are properly installed, but no longer requires outlets on such surfaces."

The 2023 code adds a condition. Under NEC 210.52(C)(2), "if a receptacle outlet is not provided to serve an island or peninsular countertop or work surface, provisions shall be provided at the island or peninsula for future addition of a receptacle outlet." Your township's electrical inspector decides what counts as that provision.

What that means for your island:

• The outlet itself is optional; the provision is not. Leaving the outlet out still means a provision at the island for adding one later, so do not count on saving the whole $500 to $1,500 run through the floor. The electrical inspector decides what the provision needs.
• Most homeowners still want one or more, for small appliances, charging, and task lighting. If you add them, they have to meet the 2023 code, under an electrical permit.
• Decide before the island is built. The wiring comes up through the floor under the cabinets, so it is planned with the layout, not added at the end.
• Timing: the Department refers to a six-month grace period following adoption of the new codes, so ask whether your permit is reviewed under the old or new code.

Permits for a Kitchen Island in NJ and Bucks County

Under N.J.A.C. 5:23-2.7, installing cabinets counts as ordinary maintenance, and ordinary maintenance needs no permit. New electrical wiring and new water, drain, vent, or gas piping are excluded. So:

Once an application is complete, the township has up to 20 business days to act on it. In Bucks County, Newtown, Yardley, and Lower Makefield typically issue in 2 to 4 weeks, with fees of about $75 to $400 depending on scope. We file the permits as part of the job. Town-by-town review times and the items inspectors check are in our NJ kitchen remodel permit guide.

Islands in Mercer and Bucks County Homes

Whether an island is a $3,000 add or part of a bigger job depends on the house around it. Across Central New Jersey we see three house types:

• Pre-1960 colonials and capes in Princeton, Trenton, Ewing, and Hamilton. Closed-off kitchens with plaster walls and 100-amp panels. If the kitchen is under 12 x 12, the room for an island has to come from opening a wall.
• 1965 to 1990 split-levels and colonials in Lawrenceville, West Windsor, Robbinsville, and Hamilton. The most requested project is opening the wall between the kitchen and the family room. If your island depends on that wall coming out, price the two together.
• 1990s and newer builder-grade homes in East Windsor, Monroe, Plainsboro, and South Brunswick. The layout already works, so the island can be priced on its own, as in the tables above.

Once a wall comes out, the job moves into our full-renovation tier, $50,000 to $75,000 or more, with a building permit; the island is then one line inside it. Homes built before 1978 add one more step when walls are opened: paid work that disturbs painted surfaces falls under the EPA Renovation, Repair and Painting Rule, which requires lead-safe work practices by a certified firm. The whole-kitchen numbers by town are in our kitchen remodel cost in NJ guide.

Across the river, our showroom is about 30 minutes from Newtown and 45 from Doylestown, and we price Bucks County kitchens from the same showroom. In New Jersey, see every Mercer County town we remodel kitchens in.

Cabinet Tariffs: What Changes January 1, 2027

Last checked October 15, 2026.

Imported kitchen cabinets and vanities have carried a 25% duty since October 14, 2025, under the federal Section 232 action on wood products. The increase to 50% was first set for January 1, 2026. Proclamation 11000 of December 31, 2025 moved it to January 1, 2027, except for countries that reach an agreement with the United States.

• It applies to imported cabinets. The duty is on the imported cabinets themselves, not on the installation labor, plumbing, or wiring.
• It goes by the date the cabinets enter the country, not the date you sign. The rates apply to goods entered for consumption on or after the effective date.
• Ask which lines in your quote are imported. We carry American-made solid wood cabinets as well as imported options, so the same island can be priced both ways.

How Long a Kitchen Island Takes

1. Measure, design, and selections (1 to 2 weeks). We measure, check the clearances above, and draw the island in 3D with the cabinet line and countertop chosen.
2. Cabinet lead time. 1 to 2 weeks for stock, 4 to 8 for semi-custom, 8 to 14 for custom. If the island has wiring or plumbing, the permits are filed while the cabinets are on order.
3. Rough-in and cabinets. Lines come up through the floor and are inspected before they are covered, then the island cabinets are set.
4. Countertop. Stone tops are templated after the base cabinets are set, which adds 1 to 2 weeks.

How to Spend Less on a Kitchen Island

• Keep water and gas off the island. No sink saves $800 to $2,500 of plumbing; no cooktop saves the $600 to $3,000 of ventilation.
• Decide on the outlet on purpose. New Jersey no longer requires the outlet itself, but a provision for adding one later is still required at the island, and the electrical inspector decides what counts. Leaving the outlet out will not necessarily save the full $500 to $1,500.
• Choose custom only where it earns its price. Stock and semi-custom lines ship in 1 to 8 weeks and cost less; custom pays off for an odd size, a curved end, or a specific wood species.
• Price a peninsula. $2,000 to $8,000 for much of the same counter and seating, if the room is under 12 x 12.
• Keep the length in check. Every extra foot of a 3-foot-deep island adds $150 to $450 in quartz alone.

Questions Homeowners Ask About Kitchen Island Costs