Who Pays the Rent When a Roommate Leaves in Arizona?

When you share an apartment or house with roommates in Arizona, what happens if one of them moves out before the lease ends? Understanding your rights and responsibilities can help you avoid surprises, conflicts, or possible eviction. This article explains the key rules, who is liable for rent, and what to do if your roommate leaves unexpectedly.

Understanding Joint and Several Liability in Arizona

Arizona rental agreements often state that roommates are "jointly and severally liable." This means each person named on the lease is responsible for the full amount of rent, even if another roommate moves out. The landlord can seek the entire rent from any or all tenants listed on the lease.

  • If one roommate leaves, the remaining tenant(s) must pay the full rent on time.
  • The landlord is not required to track down the roommate who left for payment.
  • Verbal agreements between roommates are separate from the legal lease with the landlord.

What if Only One Roommate Signed the Lease?

If only one tenant signed the official lease and allowed others to live there unofficially, those additional roommates may have fewer legal protections. The tenant whose name is on the lease holds all the responsibility for rent to the landlord.

Steps to Take When Your Roommate Moves Out

If a roommate leaves before the lease ends, here’s what you should do:

  • Review your lease agreement for terms on joint liability, subletting, and adding/removing tenants.
  • Notify your landlord promptly and discuss possible options.
  • Consider finding a new roommate, but make sure your landlord approves and an updated lease is signed.
  • If unable to pay, speak with your landlord about breaking the lease or arranging a payment plan.
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Can You Legally Sublet or Replace a Roommate?

Arizona law does not guarantee the right to sublet unless your lease allows it. Always get the landlord’s written approval before bringing in a new roommate. Unauthorized subletting can lead to lease violations or eviction notices.

If you plan to sublet or add a new roommate, always use written agreements and make sure everyone is listed with the landlord to protect your interests.

Relevant Forms and How to Use Them

  • Notice to Vacate (A.R.S. § 33-1375, No. G:/Forms): Use this written notice if you want to formally end your lease early. Submit it to your landlord with required advance time (usually at least 30 days for month-to-month agreements).
    View Arizona Rental Forms
  • Roommate Agreement (No state form): Although not required by law, creating a simple written agreement with roommates can clarify how rent, bills, or deposits will be handled if someone moves out. This is a practical document that offers protection but does not override your lease liability.
  • Application to Add or Remove Tenant: Many landlords require a request in writing and may use their own form. Contact your property manager for the correct procedure, or check the Arizona Department of Housing for advice.

Always keep copies of all forms, notices, and communications with your landlord for your records.

How Arizona Law Protects Renters in Shared Housing

Arizona tenants are protected under the Arizona Residential Landlord and Tenant Act.1 This law explains your rights and how tenancy disputes are handled. The official body handling disputes is the Arizona Justice Court – Landlord & Tenant Division.2

  • The Act explains the rules for rental payments, lease terms, and notices.
  • If you are unable to pay full rent because your roommate left, you may negotiate with your landlord, but you are still legally liable unless released in writing.
  • If evicted due to unpaid rent, you have the right to receive official notice and can seek assistance or challenge it with the Justice Court.

What Happens to the Security Deposit If a Roommate Leaves?

Security deposits in Arizona are typically paid as a group if all tenants signed the lease. If someone moves out, the landlord may hold the deposit until the lease ends or a replacement tenant is signed. Internal disagreements over deposits are usually resolved between roommates, not the landlord. For official rules, see the Arizona Department of Housing or contact the Justice Court.

FAQ: Roommate Moves Out and Rent Responsibility

  1. If my roommate leaves, am I still responsible for the full rent?
    Yes, if your name is on the lease, you are still legally responsible for the entire rent, even if your roommate leaves.
  2. Can I force my landlord to remove my name if my roommate stays and I want out?
    No, you must get your landlord's written consent and sign any necessary lease changes. Otherwise, you remain liable.
  3. Does the landlord have to find a new roommate for me?
    No, the landlord is not required to find or approve a new roommate unless your lease says otherwise.
  4. Will my security deposit be returned if I move out before the lease ends?
    Usually, the deposit is held until all original tenants leave and the lease ends. Discuss with your landlord and roommates for arrangements.
  5. What if my roommate's name was not on the lease?
    The tenant(s) listed on the lease are legally responsible. Unofficial roommates usually aren't protected if issues arise.

Need Help? Resources for Renters


  1. Arizona Residential Landlord and Tenant Act
  2. Arizona Justice Court – Landlord & Tenant Division
Bob Jones
Bob Jones

Editor & Researcher, Tenant Rights USA

Bob writes and reviews tenant law content for various regions. They’re passionate about housing justice and simplifying legal protections for renters everywhere.