Sublet vs. Assignment: What's the Difference?
In a sublet, you keep your original lease and remain responsible to your landlord, while a subtenant pays you and occupies the unit for some or all of the remaining term — a sublet generally fits best if you plan to return before the lease ends. In an assignment, you transfer your entire lease to a new tenant, who takes over your obligations directly with the landlord — assignment generally fits best if you're leaving for good and won't be coming back. You may still remain liable in an assignment depending on your lease and state rules, and many leases require the landlord's written consent for either option.
Educational — information, not legal advice, and not attorney-reviewed. The exact rule depends on your state, city, and lease; the app shows the verified rule for where you live.
What this means
Subletting and assigning a lease both let someone else occupy your unit before your lease term ends, but they work very differently, and the difference determines who's actually on the hook if something goes wrong.
When you sublet, you're essentially becoming a landlord to someone else while remaining a tenant yourself. Your original lease with your landlord stays fully in place and in your name — you're still legally responsible for the rent, the condition of the unit, and everything else the lease requires. The subtenant pays you (not your landlord directly, in most arrangements), and if they don't pay or damage the unit, your landlord will generally still come to you first. A sublet tends to make the most sense when you plan to return to the unit before the lease is up.
An assignment is a more complete handoff: you transfer your entire interest in the lease to a new tenant, who steps into your shoes and deals with the landlord directly going forward. This fits situations where you're leaving for good and won't be returning to the unit. Depending on your lease language and your state's rules, an assignment may or may not fully release you from responsibility — some leases specifically state that the original tenant remains liable unless the landlord agrees in writing to a full release.
Almost every lease requires the landlord's advance written consent for a sublet or an assignment, and many leases restrict or outright prohibit one or both. Before arranging either, read your lease carefully for what it allows, get the landlord's consent in writing, and put your own arrangement with the subtenant or assignee in writing too, so everyone understands who's responsible for what. Renter Shield can help you keep that paperwork organized and easy to find later.
What to do
- Read your lease closely for any clause addressing subletting or assignment before making plans.
- Request your landlord's consent in writing before you sublet or assign, even if your lease seems to allow it.
- Clarify whether an assignment would fully release you from liability or leave you as a backup if the new tenant doesn't pay.
- Put your arrangement with the subtenant or assignee in writing, including rent amount, dates, and responsibilities.
- Keep copies of all consent letters and agreements somewhere you can access them later.
What to do next
Whether either option is even allowed often depends on who manages your building — see our comparison of private landlords vs. property management companies for how that can shape your options.
Free help — always free
- Call 211 (or 211.org) for local help and referrals.
- Find free legal aid at lawhelp.org.
- Read HUD tenant rights.
- Call 911 in an emergency.
Know exactly where you stand.
Renter Shield shows your state's verified rule, drafts calm letters, tracks deadlines, and keeps your evidence private on your device — free to start.