A holdover tenant is a renter who stays in the unit after the lease term ends without signing a new agreement. They have not left and they have not formally renewed, so they sit in a gray zone: still in possession, but no longer covered by the fixed term they originally agreed to.
What happens next depends on how you respond. If you keep accepting rent, most states treat the arrangement as a new periodic tenancy, usually month to month. If you do not want them to stay, the lease ending does not by itself remove them. You have to act, and the clock on that action is shorter than most owners expect.
In practice
Say a tenant's 12-month lease at $1,800 a month expires on June 30, and they keep paying $1,800 on July 1 with no new paperwork. You deposit the July payment. In most states, accepting that rent converts the tenancy to month to month on the old terms, so the tenant is now a lawful holdover and you owe them proper notice, often 30 days, before you can end it.
Now run the other version. The tenant stays past June 30 but stops paying, or you refuse the July rent because you want the unit back. At that point they are an unlawful holdover. You serve the notice your state requires, and if they still do not leave, the only legal path to remove them is a court action, not a lockout or a shut-off. Some leases also carry a holdover rent clause, charging 125% to 200% of normal rent for any days past the term. If yours does, that July at $1,800 could be billed at $2,700 prorated for the days they overstay, but only if the clause is in the signed lease.
Why it matters to a small landlord
A holdover is the moment a routine lease ending turns into a legal process with deadlines. The single most expensive mistake is cashing a rent check while telling the tenant to leave: in many states that accepted payment resets the tenancy and wipes out the notice you thought you gave. If you want the unit back, decide before the term ends, send a written non-renewal letter with the right lead time, and stop accepting rent the moment you commit to that path. If you would rather keep a good tenant, the cleaner move is to lock in a renewal before expiration so you never enter holdover at all. Walking through month-to-month versus a fixed term ahead of the expiration date is what keeps this off your plate.
Holdover sits next to a few other terms worth knowing. A holdover that you accept rent from becomes a month-to-month tenancy, which you can end with statutory notice. A holdover you refuse to renew, who will not leave, becomes the subject of an unlawful detainer case, the eviction lawsuit that gets possession back. Either way it starts with a clear, dated notice to vacate, because the dates on that notice are what a judge reads first.
Holdover rules, notice periods, and the legality of a holdover rent premium vary by state and sometimes by city. Read your state's landlord-tenant statute before you serve anything.