How Many Outlets Do You Actually Need? (Spoiler: More Than Code)

Building code requires an outlet every twelve feet of wall in habitable rooms. That number was set when we used three things that plugged in: a lamp, a radio, and a vacuum. We now plug in a hundred things, charge a dozen more, and rearrange furniture twice a decade.

Code-minimum is fine for a spec house. For a custom home you're going to live in for 25 years, code-minimum is the wrong starting point. Here's how we plan outlets, room by room.

The principle: place outlets for behaviors, not for code

Don't draw outlets at twelve-foot intervals. Draw them where things will happen. Where will you charge a phone? Plug in a lamp? Run a vacuum? Set up a Christmas tree? Charge an EV? Run a wet/dry vac in the garage? Plug in a stand mixer on the island? Every behavior is an outlet, ideally in a place you'll use it.

Room by room

Kitchen

• Every section of countertop — even the short ones — gets at least one outlet
• Island: minimum two outlets, ideally pop-up or end-cap (not on the side facing the room)
• Walk-in pantry: at least one outlet for the coffee station, possibly two
• Inside the appliance garage / mixer cabinet: outlets for the toaster and stand mixer that stay put
• Inside upper cabinets near the cooktop: outlet for under-cabinet lighting transformer
• Above the refrigerator: outlet for the fridge plus a separate one for the icemaker / dispenser
• Floor outlet near the sink-facing kitchen table — if you do casual seating, you'll plug things in there

Living & family rooms

• Floor outlets where furniture floats — under the sofa, beside the lounge chair
• An outlet beside the fireplace (you'll want to plug in a Roomba dock or holiday décor)
• One outlet behind every console table location
• Outlet behind the TV at TV height (not at the floor)
• One outlet for each window for plantation shutters / smart shades / accent lamps

Bedrooms

• Outlets behind each nightstand — at a usable height (not blocked by the bed frame)
• USB-C outlets at the nightstand height — built-in is cleaner than a wall wart
• Outlet behind the dresser for charging trays, lamps
• Switched outlet wired to the wall switch — for a lamp you turn off at the door
• Closet outlet — for a steamer, ironing setup, or a charging station

Bathrooms

• Both sides of every vanity (not just one)
• Inside the medicine cabinet for the electric toothbrush charger
• One outlet in the toilet room for a bidet seat
• One outlet inside a vanity drawer for a hairdryer
• Heated floor thermostat — if you're doing heated floors

Home office

• Desk wall: minimum four outlets, ideally one quad box per work station
• Floor outlet beneath where the desk will sit (cable management)
• Printer wall: outlet plus a dedicated CAT6A drop
• Bookshelf walls: outlet every 6–8 feet for accent lighting

Laundry

• 220V for an electric dryer plus a separate 110V for the washer
• Outlet above the folding counter — for a steamer
• Outlet inside a base cabinet — for a hidden Roomba dock
• Outlet near the utility sink for a wet/dry vac

Mudroom

• Charging-station outlet at counter height, with USB-C
• Outlets at the floor for a Roomba dock and stick-vac charging
• Outlet near the dog area — for a heated water bowl, pet camera

Garage

• Every wall: minimum two outlets per wall
• Ceiling outlets above the garage door openers
• Wall outlets at counter height for a workbench
• 220V outlet for an EV charger (50A circuit, NEMA 14-50) on every garage bay
• 220V outlet for an air compressor if you have one
• Outlet near the trash area for an outdoor-rated freezer

Outdoor

• One GFCI outlet on every side of the house
• Outlet on every porch, patio, and pool deck
• Eave-mounted outlets at front and back for permanent holiday lights
• Outlet near the gas grill for a rotisserie
• Outdoor kitchen: minimum one outlet per appliance, plus two for small appliances

Walk the house with your electrician and a roll of blue tape. Tape every outlet location. Then add 30%.

While you're at it

The outlet conversation is the right time to also lock in:

• Switch heights. 42" to center, not the default 48". Easier to reach, looks more refined.
• Dimmers everywhere. Every lighting circuit gets a dimmer — even the closet. You'll use them.
• Smart switches. Lutron Caséta (mid-tier) or Lutron RA3 (premium) for any home with more than 30 lighting circuits. Once you live with scenes, you can't go back.
• 3-way and 4-way switches. Every natural entry/exit to a room should be able to turn on the lights.
• Switch color and plate finish. Decora-style with screwless plates is a $300 upgrade across the house that reads like luxury.

The honest takeaway

Your electrician will quote you a base outlet count and a base switch package. Almost nobody regrets going over. Almost everybody regrets going under.

Walk every room with the electrician before rough-in. Bring blue tape. Tape every outlet, every switch, every fixture. Take photos. Sign off the lighting plan in person, in the framed house — not from a PDF in a coffee shop.

You're paying for a custom home. The smallest detail that decides whether it feels custom is whether the outlet is exactly where you'd put your hand.

— Our internal electrical walk-through sheet is one of the most-used pages in the Ultimate Home Building Checklist. Download it free — print the electrical section and bring it to your pre-rough-in meeting.