Splitting Rent with Roommates in NYC: Fair Ways to Do It

Method 1: An Even Split

Divide the rent by the number of bedrooms. For a Brooklyn three-bedroom at StreetEasy’s median asking rent, October 2026, of $4,775, that is $4,775 / 3 = about $1,592 each.

It works when the rooms are close in size and nobody has a clear advantage. When one room is half the size of another, it stops feeling fair by the second month.

Method 2: By Room Size

Treat the rent as two halves. Half pays for the shared space (kitchen, living room, bathroom, hallway) and is split evenly. The other half pays for bedrooms and is split by each room’s share of the total bedroom square footage.

Example: rent $4,500, bedrooms of 160, 120 and 100 square feet, 380 in total.

• Shared half: $2,250 / 3 = $750 each.
• Bedroom half, large room: $2,250 x 160 / 380 = $947.
• Bedroom half, middle room: $2,250 x 120 / 380 = $711.
• Bedroom half, small room: $2,250 x 100 / 380 = $592.
• Totals: $750 + $947 = $1,697; $750 + $711 = $1,461; $750 + $592 = $1,342. Together, $4,500.

Measure the rooms yourselves with a tape. Length times width is close enough.

Method 3: Adjust for Features

Size is not everything. Agree on a monthly amount for each feature that matters, add it to that room, and take the same total off the others in equal parts. Typical features: a private bathroom, a window that faces the street or a wall, a closet, a balcony, a room you walk through to reach another.

Continuing the example: the group values the large room’s private bathroom at $90 a month. The large room pays $1,697 + $90 = $1,787. The other two each pay $45 less: $1,461 - $45 = $1,416 and $1,342 - $45 = $1,297. The total is still $4,500.

If you cannot agree, let people bid: each says what they would pay for each room, and the rooms go where the bids are highest, as long as the amounts add up to the rent.

Who Is on the Lease

There are two common setups. In the first, everyone signs the lease. Most leases then make each tenant responsible for the whole rent, which lawyers call "joint and several" liability: if one person stops paying, the landlord can ask the others for the full amount.

In the second, one person is the tenant and the others are roommates who pay that person. The roommates have fewer rights to stay, and the tenant carries the risk. Ask which one you are before you move in.

• How to Read a NYC Lease

New York’s Roommate Law

Real Property Law 235-f, known as the roommate law, stops a landlord from limiting an apartment to the tenant and the tenant’s immediate family. In plain terms:

• If one tenant is on the lease, that tenant may share the apartment with immediate family, one additional occupant, and that occupant’s dependent children.
• If two or more tenants are on the lease, the total number of tenants and occupants cannot be more than the number of tenants named on the lease. So if one of three tenants moves out, an occupant can take the space.
• A tenant, or the tenant’s spouse, must live in the apartment as a primary residence.
• You must tell the landlord the occupant’s name within 30 days of them moving in, or within 30 days of the landlord asking.
• An occupant does not gain the right to stay if the tenant leaves, unless the landlord agrees in writing.
• A lease clause that waives these rights is void. Occupancy limits in housing and safety codes still apply.

Roommate or Sublet

The roommate law covers someone living with you. If you move out for a while and someone takes your room, that is a sublet, which has its own rules and needs the landlord’s written approval first.

• Subletting When You Have Roommates
• Is Subletting Legal in NYC?

Choosing a Roommate Fairly

Keep your questions to the living arrangement: move-in date, ability to pay, references, pets, smoking, schedule and how you each like to share a home. Fair housing laws make it illegal to choose or refuse someone for housing because of race, color, religion, sex, gender identity, sexual orientation, national origin, disability, family status, age, lawful source of income and other protected traits, and an ad should never state a preference.

What to Write Down

• Each person’s rent, the due date, and who sends the payment to the landlord.
• Who paid how much of the security deposit, and how it is returned when one person leaves.
• How utilities and internet are split, and whose name each account is in.
• Notice to move out, such as 30 or 60 days, and who finds the replacement.
• House basics: guests, cleaning, quiet hours, shared purchases.
• Everyone signs and keeps a copy. It will not bind the landlord, but it settles most arguments between you.