A room rental agreement lets one room in a property and grants shared use of the rest, and almost everything that goes wrong with one goes wrong in the shared parts rather than in the room. The room is easy to describe. The kitchen, the bills, the guests and the question of what happens when one person leaves are where the document has to do real work. This page is about those four.
Describe the exclusive part and the shared part separately
The tenant has exclusive use of a specific room and shared use of named spaces: kitchen, bathroom, living room, yard, parking, storage. Naming them matters because anything unnamed becomes a negotiation later, and the most common one is storage, which is finite and which everybody assumes they have a share of. Say which room, and say which shared spaces, by name, in the document.
Decide the bills rule before anyone moves in
Split evenly, split by room count, included in the rent, or metered where that is possible. Each is defensible and each produces a different argument. Included in the rent is the simplest to run and costs the landlord the variance; an even split is the fairest-sounding and produces the most disputes, because usage is never even. Pick one, write it down, and say how and when the money moves.
Guests and quiet hours are terms, not manners
How long a visitor can stay before they are an occupant, and what hours the shared spaces are quiet, are the two house rules that turn into formal complaints when they are left to good manners. They belong in the document with numbers in them. A term saying a guest may stay up to a stated number of nights in a month is unambiguous; a term saying be considerate is not, and cannot be enforced by anyone.
What happens when one person leaves
Whether the remaining tenants are liable for the whole rent, whether the departing tenant can nominate a replacement, and who approves them. Joint and several liability makes the landlord's position simple and can make the housemates' position unfair; separate agreements per room make each tenancy independent and put the vacancy risk back on the landlord. Neither is wrong. Choosing by accident is.
Questions people ask about room rental agreement
Is a room rental agreement the same as a sublet?
No. A room rental agreement is between the landlord and the occupant. A sublet is between an existing tenant and a new occupant, with the original tenant still on the hook, and most leases restrict it.
Should each housemate have their own agreement?
It depends on which risk you would rather carry. Separate agreements per room mean one departure does not disturb the others; one joint agreement means the rent is covered regardless of who leaves.
Does a live-in landlord change anything?
Sometimes substantially. Several states treat a lodger in the owner's own home differently, and some fair-housing exemptions turn on it, so it is a specific thing to check rather than assume.