Legal Support for Lease Disputes in New Brunswick

Leases & Agreements New Brunswick 5 min read · published March 09, 2026 Flag of New Brunswick

If you’re a tenant in New Brunswick facing a dispute about a lease or rental agreement, know that you’re not alone. Disagreements about rent, repairs, lease terms, or evictions can be stressful, but New Brunswick’s laws offer clear protection for tenants. This guide explains your rights, how to get legal support, and outlines the steps to resolving conflicts.

Keep a dated record of every issue and gather key documents (your lease, any amendments, rent receipts, repair requests, and notices). These will help you present a clear timeline to the landlord or the RTT.

Understanding Lease and Agreement Disputes

Disputes between tenants and landlords often arise because of issues like unpaid rent, unclear lease terms, damages, or even disagreements about repairs. In New Brunswick, all tenancies are governed by the Residential Tenancies Act[1] which sets out the rights and responsibilities of both parties.

  • Common disputes include disagreements about security deposits, early lease termination, and maintenance responsibilities.
  • Familiarizing yourself with your rights can help you address issues early before they escalate.

For an overview of your basic rights and obligations as a tenant or landlord in the province, visit Tenant Rights and Landlord Rights in New Brunswick.

Key Legal Resources: The Residential Tenancies Tribunal

In New Brunswick, the Residential Tenancies Tribunal (RTT) is the government body responsible for handling rental disputes. If you are unable to resolve issues directly with your landlord, the Tribunal provides formal services to help you seek resolution.

  • Applications for dispute resolution, rent disputes, and eviction matters are filed with the RTT.
  • The Tribunal also provides guides and official forms to support tenants through the process.

You can access the Tribunal, its official forms, and relevant information through the Residential Tenancies Tribunal website[2].

What Tenants Need to Know About Their Legal Rights

As a tenant, you have rights and obligations defined by the Residential Tenancies Act. These include:

  • The right to a safe and healthy living environment
  • The right to fair notice for rent increases or termination
  • The right to dispute unfair treatment or eviction
  • The responsibility to pay rent on time and follow lease terms

If you want more details on what happens after you sign your lease, see What Tenants Need to Know After Signing the Rental Agreement. Issues about deposits? Check Understanding Rental Deposits: What Tenants Need to Know.

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Official Forms for Lease Dispute Resolution

To handle a rental dispute officially, tenants may need the following forms:

  • Application for Assistance (RTT Form):
    Use this form when you have a disagreement (such as early lease termination or deposit recovery) that you and your landlord cannot resolve.
    Example: If a landlord refuses to return your security deposit, file this form with the RTT.
    Download Application for Assistance
  • Notice of Termination:
    This official notice must be used if you need to legally end your tenancy (for example, giving notice when leaving your rental after the lease expires).
    Download Notice of Termination

Complete the forms carefully, include all supporting documents, and submit them online, by mail, or in person to the Residential Tenancies Tribunal.

Attach a clear cover note listing each item you’re asking for and include copies of leases, notices, receipts, and photos. Submitting complete evidence reduces back-and-forth and speeds resolution.
Tip: When communicating with your landlord or the Tribunal, always keep copies of forms, emails, and written notices for your records.

Step-by-Step: Resolving Lease Disputes in New Brunswick

  • Speak with your landlord to try to resolve the issue directly
  • If unresolved, complete the necessary application form(s)
  • Submit the form(s) and evidence to the Residential Tenancies Tribunal
  • The Tribunal may mediate, request further documents, or schedule a hearing
  • A legally binding decision will be made by the Tribunal, which both parties must follow

For a more complete look at tenant and landlord obligations, see Obligations of Landlords and Tenants: Rights and Responsibilities Explained.

Before a hearing, prepare a concise timeline of events and bring all evidence. Practice a short summary of your claim and what resolution you want.

Finding Legal Help and Tenant Advocacy

If you feel you need legal support during a dispute, consider these options:

For the widest choice of rentals and a smooth moving experience, you can Find rental homes across Canada on Houseme.

Frequently Asked Questions

  1. What should I do if my landlord refuses to fix something important in my rental?
    If the issue isn’t resolved after you notify your landlord in writing, you can apply to the Residential Tenancies Tribunal for help with repairs.
  2. Is my landlord allowed to increase my rent during my lease?
    In New Brunswick, landlords must follow notice requirements under the Residential Tenancies Act. Unlawful rent increases can be disputed at the Tribunal.
  3. How do I legally end my tenancy in New Brunswick?
    You must provide your landlord with a written Notice of Termination as required by law, generally at least one month in advance.
  4. Can I get my security deposit back if there’s a dispute?
    Security deposits can be returned after deductions for valid reasons (unpaid rent, damages). Disputes can be processed by applying to the Residential Tenancies Tribunal.

How To Resolve a Lease Dispute in New Brunswick

  1. How do I file a dispute with the Residential Tenancies Tribunal?
    Complete the Application for Assistance form, include supporting documents, and submit it to the Tribunal by mail, online, or in-person.
  2. How do I challenge an illegal rent increase?
    Review your landlord’s notice carefully. If unlawful, file an Application for Assistance with the Tribunal before the rent increase takes effect.
  3. How do I end a rental agreement early?
    Use the Notice of Termination form, giving proper notice as required by your lease and the Residential Tenancies Act. If your landlord refuses or you have questions, seek support from the Tribunal.

Key Takeaways

  • Tenants in New Brunswick have strong legal protections and access to government-supported dispute resolution processes.
  • Always attempt to resolve issues informally first, but don’t hesitate to use official forms and the Residential Tenancies Tribunal if needed.
  • Understand your obligations, and keep written records of all communications and agreements.

Need Help? Resources for Tenants


  1. [1] Residential Tenancies Act (New Brunswick)
  2. [2] Residential Tenancies Tribunal New Brunswick (Government Portal)

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Marie Dubois
Marie Dubois

Bilingual Housing Rights Advisor, Tenant Rights Canada

Marie covers tenant rights across Quebec and the Atlantic provinces in both English and French. With a background in Quebec civil law and residential tenancy, she is a trusted voice on the Tribunal administratif du logement process and francophone tenant rights.