What to Do If Your Roommate Abandons the Unit in Alberta

Roommates & Shared Housing Alberta 4 min read · published March 09, 2026 Flag of Alberta

Abandonment happens when a roommate leaves the rental unit without giving notice, paying rent, or informing the landlord or other tenants. This situation can create confusion about rent payments, responsibilities, and what happens next.

In Alberta, abandonment handling is governed by the Residential Tenancies Act. The landlord must follow proper notice procedures before ending the tenancy.

Is It Really Abandonment?

Signs your roommate has abandoned the unit usually include:

  • Their personal property is mostly gone
  • They stop paying rent or bills without explanation
  • They do not respond to messages, or you can't contact them
  • They turn in their keys or tell the landlord they have left for good

A tenant is considered to have abandoned the premises if it appears the premises have been vacated without a proper notice or agreement. In Alberta, this is addressed under the Residential Tenancies Act.[1]

If you’re not sure it qualifies as abandonment, keep written notes and ask your landlord to confirm the status in writing before taking further steps.

Your Rights and Responsibilities After Abandonment

It's important to know what you (and the landlord) must do by law if a roommate abandons the unit. The rules depend on your rental agreement, who signed the lease, and if you are co-tenants or subtenants.

  • Joint lease/co-tenants (all names on the lease): You are jointly responsible for rent and damages. If one roommate leaves, the others must cover the full rent unless you negotiate with the landlord.
  • Separate agreements: Sometimes landlords make individual leases with each tenant, which may protect you from a roommate's actions.
  • Subletting: If you sublet from your roommate, your status and rights may differ.
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Read more about your legal duties in Obligations of Landlords and Tenants: Rights and Responsibilities Explained.

If you’re not sure it qualifies as abandonment, keep written notes and ask your landlord to confirm the status in writing before taking further steps.

What Happens to the Security Deposit?

If you and your roommate paid a security deposit together, the landlord is not required to return your share until everyone legally ends the tenancy. If one person leaves, discuss with your landlord how the deposit will be handled. For an overview, see Understanding Rental Deposits: What Tenants Need to Know.

If a roommate leaves, coordinate with the landlord on how your security deposit is allocated and keep receipts or statements in case you need to claim a portion later.

Official Steps: What to Do If Your Roommate Leaves

If you believe your roommate has abandoned the unit, take these steps:

  • Document evidence of abandonment (empty room, messages, returned keys, etc.)
  • Contact your landlord immediately in writing to make them aware of the situation
  • Continue paying your share of the rent—failure to do so may affect your tenancy
  • Negotiate with the landlord about next steps, such as finding a replacement roommate

Alberta landlords must handle abandonment according to the Residential Tenancies Act. They may choose to end the tenancy if rent is not fully paid or if the unit is clearly abandoned.

If you’re not sure it qualifies as abandonment, keep written notes and ask your landlord to confirm the status in writing before taking further steps.

Forms the Landlord May Use

  • Notice of Termination (Form RTB-10): Official government forms. If the tenancy is being ended due to abandonment, the landlord may serve written notice citing abandonment and next steps. This formalizes the end of tenancy under the law.
  • Application to the Residential Tenancy Dispute Resolution Service (RTDRS): You or your landlord may apply to the RTDRS to settle disputes on deposits, rent, or responsibilities after abandonment.

For example, if the landlord tries to keep your deposit because your roommate left, you can apply to the RTDRS for a decision.

Keep copies of any notices and communications, and if a dispute arises over deposits, apply to RTDRS promptly and be ready with proof of payment and tenancy dates.

Who to Contact for Help in Alberta

If communication breaks down or you're unsure of your next steps, Alberta's Residential Tenancy Dispute Resolution Service (RTDRS) can help tenants resolve conflicts legally, often without a lawyer.[2]

For more about your legal protections, see Tenant Rights and Landlord Rights in Alberta.

Need support finding a new place or roommate? Find rental homes across Canada on Houseme for listings in Alberta and other provinces.

FAQ: Roommate Abandonment in Alberta Rentals

  1. What qualifies as 'abandonment' of a rental unit in Alberta?
    If a tenant moves out permanently without giving proper notice, paying rent, or communicating with the landlord or co-tenants, it may be considered abandonment under the Residential Tenancies Act.
  2. Am I responsible for my roommate's share of rent if they abandon the unit?
    If your name is on the lease, you may be liable for the full rent. Review your agreement and speak with your landlord about options.
  3. What should I do with my roommate's belongings if they've left without notice?
    Do not throw away or sell their belongings. Inform your landlord, who must follow legal procedures for abandoned property.
  4. Can I find a replacement roommate right away?
    Usually yes, but always ask the landlord and get any new roommate approved in writing.
  5. Can I get my share of the security deposit back if my roommate abandoned the place?
    Generally, the deposit is only returned after all tenants end the lease properly. You may need to apply to RTDRS if there is a dispute.

Summary: Key Steps for Tenants

  • Contact your landlord immediately if your roommate abandons the unit
  • Keep paying your share of rent to protect your tenancy
  • Follow official procedures using the correct forms if you need to resolve a dispute
  • Reach out for help from RTDRS if negotiations fail

In summary, stay informed, act quickly, and use legal resources designed for Alberta tenants sharing housing.

Need Help? Resources for Tenants


  1. See: Residential Tenancies Act (Alberta)
  2. Official tribunal: Residential Tenancy Dispute Resolution Service (RTDRS)

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Sarah Mitchell
Sarah Mitchell

Senior Housing Rights Researcher, Tenant Rights Canada

Sarah has spent over a decade researching tenant legislation across Western Canada, with a particular focus on British Columbia and Alberta. She holds a certificate in Housing Policy from Simon Fraser University and has contributed to several housing advocacy organizations.