A roommate agreement won't make you best friends with the person down the hall, but it will give you something to point to when the dishes have been sitting in the sink for four days. It doesn't need to be a legal document—it just needs to exist.
Why Bother Writing One Down
Verbal agreements work fine until someone's memory conveniently fails. When rent is late, the bathroom is trashed, or a guest has been sleeping on the couch for two weeks, "I thought we agreed" turns into a full argument fast. A written roommate agreement gives everyone a shared reference point. It's not about distrust—it's about clarity before small annoyances become real problems.
Even in tight rental markets where you're just relieved to have found someone, skipping the agreement is a shortcut that tends to cost more time later than the 30 minutes it takes to write one up.
The Core Things to Cover
You don't need to write a novel. A one- or two-page document covering the following is enough for most living situations:
- Rent and utilities. Write down each person's share in dollars, not just percentages. Specify how payment gets collected—Venmo, Zelle, check—and the exact day it's due each month. If one roommate pays the landlord directly and gets reimbursed by others, spell that out. Do the same for utilities: who pays which bill, and what happens if someone goes over budget on electricity or streaming services.
- Chores. List who handles what and how often. Rotating schedules work for some people; fixed assignments work better for others. Be specific—"clean the bathroom" means different things to different people. "Scrub the toilet, sink, and tub every Sunday" doesn't.
- Guests and overnight stays. Decide how many nights in a row a guest can stay before it starts feeling like a free sublet. A common benchmark is 7–10 consecutive nights or 14 nights per month, but whatever number you land on, write it down. Also address whether partners or friends can use common areas freely or whether there's a heads-up expectation.
- Quiet hours. If one roommate works nights and sleeps until 2 p.m. and another is up at 6 a.m. making coffee and calls, that needs a conversation before move-in, not after. Set hours when noise in shared spaces should stay low, and note any specific triggers—conference calls, early alarms, loud TV.
- Move-out notice. Your lease likely requires 30 or 60 days' notice to the landlord, so your agreement should require at least the same between roommates—ideally a bit more. If someone leaves mid-lease, decide in writing whether they're responsible for finding a replacement or covering rent until the lease ends.
- Food and shared supplies. Are groceries completely separate? Is there a shared shelf in the fridge? Who buys dish soap, toilet paper, and paper towels? This sounds minor until someone eats the leftovers that weren't theirs.
How Detailed Should You Get
Match the detail level to the situation. Two close friends moving in together might need just a page covering rent splits and a few ground rules. Strangers sharing a three-bedroom apartment should go deeper—more specifics on guests, cleaning standards, and what happens financially if someone needs to break the agreement early.
One useful rule: if you've already had even one slightly uncomfortable conversation about a topic during your roommate search, put it in the agreement. If it came up before you moved in, it'll come up again after.
You can find general frameworks for tenant agreements and shared-living expectations at resources like BostonApartments.com's rental tips, which covers some of the basics of tenant responsibilities worth keeping in mind when you draft your own document.
What Happens Without One
Without a written agreement, every dispute defaults to whoever has the better memory or the louder voice. There's no document to refer to, no terms anyone agreed to in writing, and no clear process for handling someone who stops paying their share or won't leave when the lease ends.
It also puts the primary leaseholder at risk. If your name is the only one on the lease and a roommate stops paying rent, you're still on the hook to the landlord for the full amount. A roommate agreement won't override the lease, but it does give you a written record that the other person agreed to cover their share—which matters if you ever need to pursue them for unpaid rent in small claims court.
The roommate agreement also sets a tone. People who know expectations are written down tend to take them more seriously than ones that were mentioned casually over a moving weekend.
Before You Even Get to the Agreement
The best roommate agreements come out of honest conversations during the search process—not after you've already signed a lease together. Use the roommate-finding stage to surface potential friction points early. Take the compatibility quiz to see where you and a potential roommate align and where you might need to negotiate before moving in together.
Once you've found someone who seems like a good fit, post a free ad or browse current listings on RoommateAds to keep your options open until you've got a signed agreement in hand.
Thirty minutes and a Google Doc can save you a lot of grief. Write the agreement, have both people sign it, and keep a copy somewhere you can both find it.