10 Key Facts About Roommates & Shared Housing in Alberta

Roommates & Shared Housing Alberta 6 min read · published March 09, 2026 Flag of Alberta

Sharing a rental home with roommates is a popular and cost-effective choice in Alberta—but living with others can introduce unique legal and practical challenges. Whether you’re moving in with friends or strangers, it’s important for Alberta tenants to understand their rights, the types of agreements involved, and how to avoid common pitfalls. This comprehensive guide covers everything you need to know about shared housing in Alberta under the Residential Tenancies Act[1].

Understanding Your Rental Agreement

Before moving in, determine whether you’re a co-tenant (jointly on the lease) or a roommate (subletting or informal arrangement). This affects your responsibilities, especially if one person fails to pay rent or damages the property.

Create a written roommate agreement listing everyone on the lease, each person’s share of rent and utilities, and rules about guests and subletting. Gather the draft lease, photo IDs, and any addenda, and have all parties sign and date the document.
  • Co-tenants: All names on the lease are equally responsible for rent and damages.
  • Roommates (not on lease): Only the tenant(s) listed in the lease are legally accountable to the landlord.

Always get roommate arrangements in writing. If you’re a co-tenant, review What Tenants Need to Know After Signing the Rental Agreement for practical tips.

Deposits and Money Matters

Landlords can only collect one security deposit per rental unit in Alberta, regardless of the number of tenants. It’s up to roommates to agree on how to split this cost. For more details, see Understanding Rental Deposits: What Tenants Need to Know.

Additionally, decide how rent, utilities, and other shared expenses are divided. Put your agreement in writing to avoid misunderstandings.

Put rent, utilities, and shared expenses in writing and keep a simple ledger showing each person’s share. Save receipts and confirm who holds the security deposit and how it will be divided if someone moves out.

Rights and Responsibilities in Shared Housing

  • Respect each other’s privacy and right to quiet enjoyment.
  • Everyone should contribute to housekeeping and routine repairs.
  • If one co-tenant causes damage, everyone named on the lease may be held liable by the landlord.

Review the Obligations of Landlords and Tenants: Rights and Responsibilities Explained for a clear overview of your duties.

If one co-tenant damages the property, document the issue with photos and communicate promptly with the landlord and other tenants; this can help clarify liability and avoid later disputes.

Health and Safety in Your Shared Home

Alberta tenants have the right to a safe and healthy rental. If your roommate’s actions create safety or cleanliness problems, address them early. Some issues may require landlord involvement or formal complaints. Learn more about your rights in Health and Safety Issues Every Tenant Should Know When Renting.

Adding or Removing Roommates

Bringing in a new roommate? You usually need the landlord’s written permission, especially if they’ll be added to the lease. If someone wants to move out, provide proper notice and arrange for the return or division of the security deposit as agreed. Be aware that in some cases, the landlord may require everyone to sign a new lease.

Avoid adding someone to the lease or moving in a new roommate without written landlord approval and an updated lease; otherwise you could affect liability, deposits, and move-out terms. If in doubt, ask for a written addendum and confirm who is on the lease.
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Resolving Conflicts and Complaints

Disputes between roommates are common. Address problems early with open communication and mediation if needed—many issues (like cleaning or bill-sharing) can’t be resolved by the landlord. When disputes involve noise, property damage, or lease violations, seek help from the landlord or consider the Landlord and Tenant Advisory Boards in Alberta. For step-by-step guidance, see How to Handle Complaints in Your Rental: A Tenant’s Guide.

Ending the Rental or Changing Tenants

It’s important to follow legal steps when you or a roommate want to move out:

Follow the lease terms and applicable notices (month-to-month or fixed-term); prepare a written notice and coordinate with the landlord to conduct a move-out inspection and settle deposits.
  • Give correct written notice according to the lease type (month-to-month or fixed-term)
  • If all co-tenants are leaving, coordinate with the landlord for move-out inspection and deposit return
  • If one roommate stays, agree on how the lease or deposit changes

Required Forms

  • Notice to Terminate a Periodic Tenancy (Form): Used to give notice to end a monthly or weekly tenancy. Find it on the Alberta government site.
  • Rental Application or Addendum: Used when adding a new roommate as a tenant. Always get written landlord approval.
If you’re unsure how to proceed, contact the Residential Tenancy Dispute Resolution Service (RTDRS) for guidance.

Routine and Emergency Repairs

All tenants should report major repairs and keep the property in good condition. Review who is responsible for reporting issues (often all tenants listed on the lease). For more, see Routine Repairs in Rental Units: Tenant and Landlord Responsibilities.

When Might the Residential Tenancy Dispute Resolution Service Be Involved?

If roommate disputes affect your tenancy or security deposit, or you cannot resolve issues with your landlord, you can apply to the Residential Tenancy Dispute Resolution Service (RTDRS) in Alberta. This tribunal hears rental-related cases quickly and affordably.

Legislation That Protects Alberta Tenants

Your rights and responsibilities are outlined in the Residential Tenancies Act of Alberta. Familiarity with the law can help you avoid problems and resolve conflicts effectively.

For More Details

See Tenant Rights and Landlord Rights in Alberta for a full provincial overview.

For renters looking for alternatives or a new place, you can Browse apartments for rent in Canada using interactive map tools and filters on Houseme.

FAQ: Roommates & Shared Housing in Alberta

  1. Can a landlord refuse to let me have a roommate in Alberta?
    Yes, a landlord can require tenants to seek written permission before adding a new roommate, especially if it means changing the names on the lease. Check your rental agreement and always get changes approved in writing.
  2. Who gets the security deposit back if one roommate moves out?
    In Alberta, the deposit is returned to whoever’s name(s) are on the original receipt—usually all listed tenants. Roommates should agree among themselves on how to divide it if someone leaves early.
  3. What happens if only one roommate pays rent?
    If all tenants are on the lease, the landlord can hold all co-tenants responsible for unpaid rent. That’s why it’s important everyone pays their share on time each month.
  4. Can I take my roommate to the landlord–tenant tribunal?
    The Residential Tenancy Dispute Resolution Service (RTDRS) can only resolve disputes between tenants and landlords, not between roommates. For roommate-only issues, consider mediation or small claims court.
  5. What can I do if my roommate causes damage to the rental?
    If the landlord has to pay for repairs, all tenants on the lease may share liability. Speak with your roommate, and if needed, document the damage and communicate with the landlord.

How To: Key Steps in Managing Shared Housing Situations

  1. How to add a new roommate legally:
    Speak with your landlord, put the arrangement in writing, and ensure any changes to the lease are signed by all parties.
  2. How to remove yourself from a shared lease:
    Give written notice in accordance with your lease. Arrange with remaining tenants and your landlord to update the lease and security deposit as needed.
  3. How to formally end a periodic tenancy in Alberta:
    Use the "Notice to Terminate a Periodic Tenancy" form, serve it to the landlord with proper notice, and keep a copy for your records.
  4. How to deal with unresolved roommate disputes:
    Try direct communication, consider mediation, and, if the issue affects your tenancy, apply to the RTDRS.

Summary: Roommates & Shared Housing Essentials

  • Know your contract—written agreements prevent confusion.
  • Co-tenants share resources and responsibilities; communicate openly.
  • Resolve conflicts early and seek support if needed.

Staying informed can help you avoid the most common pitfalls when living with roommates in Alberta.

Need Help? Resources for Tenants


  1. [1] Residential Tenancies Act of Alberta
  2. [2] Residential Tenancy Dispute Resolution Service (RTDRS)
  3. [3] Alberta Government – Residential Tenancy Forms

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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.