Subletting Guide: How to Sublet an Apartment Legally and Safely

Sometimes you need to leave your apartment temporarily — a temporary job relocation, an extended trip, study abroad — but you don't want to break your lease and lose your apartment permanently. Subletting lets you keep the lease while having someone else occupy and pay rent during your absence. But subletting without following the proper process can get you evicted. This guide covers everything you need to know to do it right.

What Is Subletting?

Subletting (also called subleasing) occurs when the original tenant (the "sublessor") rents all or part of their rented unit to a third party (the "subtenant" or "sublessee") for a portion of the original lease term. The original tenant remains on the lease with the landlord and is still legally responsible for rent and the condition of the unit.

Subletting vs. Lease Assignment

These are often confused but are legally different:

• Subletting: You stay on the lease; the subtenant rents from you; you're responsible if the subtenant doesn't pay or causes damage. You can return to the unit when the sublease ends.
• Lease assignment: You transfer your entire lease to a new tenant who takes over all your rights and obligations. You're no longer on the lease. Most landlords require approval for assignment.

Step 1: Check Your Lease

Your lease is the starting point. Look for a clause labeled "Subletting," "Sublease," or "Assignment." Common outcomes:

• Subletting is explicitly prohibited: You need written landlord permission to sublet legally. Many leases say "Tenant may not sublet without prior written consent of Landlord."
• Subletting requires written approval: Common; you must formally request and receive approval.
• Subletting is permitted with conditions: Rare; usually specifies that the subtenant must meet the same qualification standards as the original tenant.
• No clause on subletting: Default depends on state law. In most states, the absence of an explicit prohibition allows subletting with landlord notification.

See our full guide on how to read a lease for guidance on interpreting lease language.

Step 2: Check Your State's Subletting Rights

Some states have tenant-protective laws that limit a landlord's ability to refuse subletting:

• New York: Tenants in buildings with 4+ units have a statutory right to sublet with landlord approval. The landlord cannot unreasonably withhold consent and must respond within 30 days.
• California: Landlords generally can include no-sublet clauses that are fully enforceable. However, if the landlord unreasonably withholds consent in a situation where subletting would be reasonable, some courts have found this to be an unenforceable condition.
• Most other states: The lease governs. If the lease prohibits subletting, the landlord can enforce that prohibition.

Step 3: Request Permission in Writing

If your lease requires landlord approval (most do), submit a written request that includes:

• Your name and unit address
• The start and end dates of the proposed subtenancy
• Your reason for subletting
• The proposed subtenant's full name, current address, and employer
• The proposed subtenant's income documentation and credit information (to show they meet qualification standards)
• A statement confirming you'll remain responsible for rent and the lease

Step 4: Screen Your Subtenant Carefully

You remain legally responsible for everything the subtenant does. If they don't pay rent, you owe it to the landlord. If they damage the unit, you're liable. Screen them as carefully as the landlord screened you:

• Verify employment and income (should meet the same 2.5–3x rent standard)
• Run a credit check (paid services like Checkr, SmartMove, or TransUnion allow tenant self-screening)
• Check references — at least one prior landlord
• Meet them in person or on a video call before agreeing

Step 5: Create a Written Sublease Agreement

A verbal sublease is unenforceable in most disputes. Your written sublease should cover:

• Names of both parties (sublessor and subtenant)
• Unit address and description of what's included
• Subtenancy start and end dates
• Monthly rent amount and due date
• Security deposit from subtenant (if any)
• Payment method
• House rules that mirror your own lease obligations
• Pet policy (if applicable)
• Guest policy
• Statement that the subtenant must comply with all terms of the original lease
• Process for resolving disputes
• Consequences for non-payment or violations
• Move-out condition requirements

Step 6: Document the Unit's Condition

Before your subtenant moves in, do a documented walkthrough — just like you would with a landlord. Take dated photos of every room and send them to the subtenant. This protects you from being charged for their damage when you return and reassume occupancy.

What If the Landlord Refuses?

If your state gives you subletting rights and the landlord refuses without reasonable grounds, you may have legal recourse. Contact a local tenant rights organization for guidance. In states with no statutory subletting rights, however, a landlord's refusal is generally enforceable and your options are limited to negotiation.

Alternatives If You Can't Sublet

• Early termination: Break the lease using the early termination clause. Read what the fee is in your lease.
• Lease assignment: Ask the landlord to consider a full assignment to a new tenant instead of a sublease.
• Negotiate directly: Ask the landlord to release you from the lease early without penalty if you find a qualified replacement tenant.

Risks of Subletting Without Permission

Unauthorized subletting violates your lease and can result in:

• Eviction notice (typically a "cure or quit" notice giving you a chance to remove the subtenant)
• Eviction if you don't cure the violation
• Loss of your security deposit
• An eviction on your rental record that follows you for years
• Legal liability if the unauthorized subtenant causes damage or injury

For context on protecting your deposit through a proper move-out process, see our guide on security deposit laws.

Sources: Nolo.com landlord-tenant law guides by state · New York Real Property Law Section 226-b · California Civil Code Section 1995. Last verified March 2026.

Disclaimer: This content is for informational purposes only and does not constitute legal advice. Laws vary significantly by state. Last updated: March 2026.