How to Evict a Roommate (On or Off the Lease)

Living with the wrong roommate can turn your home into a place you dread coming back to. Whether your roommate stopped paying their share, broke house rules, or simply makes life miserable, you may be asking the obvious question: how do I evict my roommate? The honest answer is that it depends a lot on whose name is on the lease, and the rules vary by state and even by city. This guide walks through your real options so you can act with confidence and stay on the right side of the law.

First, Figure Out the Roommate's Legal Status

Before you do anything, you need to know exactly what kind of roommate you have. Your options change completely depending on their legal relationship to the property. There are usually three categories:

• A co-tenant on the lease. This person signed the lease with you (or signed their own lease) and is a tenant of the landlord, just like you. They have their own legal right to be there.
• A subtenant. You rent the place from the landlord, and you sublet to this person. They pay you, and you are essentially their landlord.
• A roommate not on the lease (a guest or lodger). They live with you informally, often without a written agreement. They may pay you cash, or nothing at all.

Dig out your lease, any text messages about rent, and any written room agreement. These documents decide which path applies to you.

How to Evict a Roommate Who Is on the Lease

This is the part that surprises most people. If your roommate is a co-tenant on the same lease, you generally cannot evict them yourself. You are roommates with equal rights, not landlord and tenant. Neither of you has the legal power to kick the other out of a home you both legally rent.

Only the landlord can start an eviction (often called an unlawful detainer or summary process action, depending on your state) against a tenant, and only for a legal reason like nonpayment or a lease violation. So if you want a co-tenant gone, your practical options are limited:

• Talk to your landlord. If the roommate is violating the lease, the landlord may choose to act. But be careful: an eviction often targets the whole household, which can put your own tenancy at risk.
• Negotiate a voluntary move-out. Many roommate problems end with a buyout, a deadline to leave, or an agreement to remove a name from the lease. Get any deal in writing.
• Ask about reletting or a lease amendment. Some landlords will let one tenant leave and re-sign the lease with the remaining tenant or a new roommate.
• Move out yourself. It feels unfair, but sometimes ending your own tenancy is cleaner than a long fight.

What you absolutely should not do is take matters into your own hands. Changing the locks, removing their belongings, or shutting off their utilities is called self-help eviction, and it is illegal in nearly every state. A co-tenant who is locked out can sue you for damages, and you could end up paying far more than the rent you were trying to recover.

How to Evict a Roommate Not on the Lease

When your roommate is not on the lease, your situation is different, and you usually do have more power, because you may be acting as their landlord. How to evict a roommate not on the lease still depends on local law, but the general path looks like this:

• Check your own lease first. Make sure subletting or having long-term occupants is even allowed. If you sublet without permission, you may be violating your lease and exposing yourself to trouble.
• Give proper written notice. Even an informal roommate is usually entitled to a written notice to leave, with a set number of days (often 30, sometimes more for longer stays). The required notice period and wording vary by state and city.
• Use the court process if they refuse. If they will not go after valid notice, you typically cannot remove them by force. Instead, you may need to file an eviction or an ejectment action, depending on what your state calls it. A judge can then issue a writ of possession that allows a sheriff or constable, not you, to remove them.

Some states treat an unwanted occupant as a lodger rather than a tenant, which can allow a faster removal, sometimes even with police help, especially when there is only one lodger in your home. Other states require the full eviction process no matter what. This is exactly the kind of detail that changes from state to state, so confirm your local rule before you rely on it.

How to Evict a Roommate Not on the Lease in California

California is a common search because its rules are strict and tenant-protective. As a general matter, California distinguishes between a lodger (a single roommate in a home where you, the owner, also live) and other tenants. A true lodger can sometimes be removed through a simpler process after proper written notice. But many roommate situations do not fit the lodger exception, and then the standard unlawful detainer court process applies, with strict notice rules and timelines. California also heavily penalizes self-help eviction. Because the details are technical and the penalties are steep, this is a situation where a quick consultation with local legal aid or a tenant-landlord attorney is well worth it before you act.

Money: Unpaid Rent, Deposits, and Damages

A roommate leaving does not erase money problems. If you signed a joint lease, the landlord can usually pursue any tenant for the full rent, not just their share. That is why getting a departing roommate formally off the lease matters so much. If you were the one renting to a subtenant, you generally have a duty to mitigate by trying to re-rent the room rather than letting it sit empty and billing them for everything. Keep records of payments, communications, and any property damage so you can sort out deposits fairly later.

Watch for Protected Situations and Other Rights

Even in your own home, some legal protections still apply. You cannot remove someone for a discriminatory reason under the Fair Housing Act, which bars eviction based on race, religion, sex, disability, family status, and other protected classes. Special protections may also apply to survivors of domestic violence under the VAWA in covered housing, and to active-duty military members under the SCRA. And throughout, every tenant keeps the covenant of quiet enjoyment and, from the landlord, the implied warranty of habitability. None of these go away just because two people stopped getting along.

When to Talk to a Lawyer

Plenty of roommate conflicts get solved with a calm conversation and a written move-out plan. But some clearly call for help. Reach out to legal aid or a tenant-landlord attorney if the person refuses to leave after notice, if you are facing threats or violence, if the landlord threatens to evict everyone, or if you are unsure whether your roommate counts as a tenant, a subtenant, or a lodger. Because landlord-tenant law varies by state and city and changes over time, confirming the current rule where you live is the single best way to protect yourself and avoid an expensive mistake.