Mould, Dampness & Landlord Repair Obligations in PEI

Special Tenancy Situations Prince Edward Island 3 min read · published March 29, 2026 Flag of Prince Edward Island

Living with mould or persistent dampness is stressful for renters. In Prince Edward Island tenants have rights to safe, habitable housing and landlords have legal duties to repair and maintain rental units. This guide explains practical steps a tenant can take when mould appears: how to document the problem, notify your landlord in writing, use required provincial forms, and when to request dispute resolution. It also covers health risks linked to mold exposure, simple cleaning and prevention tips, timelines for repairs, and examples of appropriate evidence to collect for a complaint. If you follow these steps you will be better prepared to protect your health, preserve evidence, and pursue timely repairs or official remedies when necessary.

Repair responsibilities in Prince Edward Island

Landlords in PEI are required to keep rental units in a good state of repair and fit for habitation. That generally includes addressing leaks, fixing ventilation issues, repairing plumbing and heating, and removing hazardous mould when it results from building defects or landlord-controlled conditions. Tenants are expected to take reasonable steps to limit damage, such as ventilating bathrooms and reporting issues promptly. If a repair is needed, start by notifying the landlord in writing and keeping a dated copy.

Tenants have a right to a habitable home and can request repairs in writing.

Health risks and prevention

Mould can worsen asthma and allergies and create general respiratory symptoms for sensitive people; small infestations can become bigger if the root moisture source is not fixed. Use a dehumidifier in damp basements, run bathroom fans or open windows while showering, and dry wet materials quickly. For authoritative health guidance on indoor mould, consult federal health resources and housing experts when planning next steps.[1][2]

Address moisture sources first; cleaning visible mould without fixing leaks usually leads to recurrence.

What tenants can do now

  • Take dated photos and video showing mould, water stains, or leaks and keep a written log of when you first noticed problems.
  • Notify your landlord in writing explaining the problem, the date you first noticed it, and the remedy you expect.
  • Request prompt repairs for structural causes like leaks, ventilation failures, or plumbing defects.
  • Keep records of all calls, texts, and visits about the issue, and ask for timelines for repairs.
  • If repairs are delayed, learn when you may be eligible to withhold rent or pay for reasonable repairs and deduct costs — follow provincial rules closely.
Keep copies of every message and photo related to the mould problem.

For a broader look at tenant health and safety obligations and what to document, see Health and Safety Issues Every Tenant Should Know When Renting.

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How to request repairs and escalate

Follow a clear sequence: document the issue, notify the landlord in writing, set a reasonable repair deadline, and follow up if work is not completed. If informal requests fail, you can file an application with the provincial residential tenancies office. Before filing, gather your evidence: photos, copies of written notices, any receipts for temporary fixes, and a timeline. When discussing responsibilities, review the provincial rules and your rental agreement to understand who must act and in what timeframe.

A clear timeline and complete evidence make dispute resolution faster and more effective.

When explaining landlord and tenant duties, this site’s practical overview can help: Obligations of Landlords and Tenants: Rights and Responsibilities Explained.

FAQ

Who pays for mould removal?
Generally the landlord pays if mould is caused by building defects, leaks, or lack of maintenance; tenants may be responsible for mould caused by their actions or neglect.
Can I withhold rent for unresolved mould problems?
Withholding rent is risky and governed by provincial rules; instead, document the issue, give written notice with a deadline, and consider applying for dispute resolution with the Residential Tenancies Office.
When should I see a doctor?
If you or household members develop breathing difficulties, persistent coughing, eye or skin irritation, or worsening asthma after exposure to mould, seek medical advice promptly.

How-To

  1. Document the issue: take dated photos, video, and note smells, symptoms, and times.
  2. Send a written notice to your landlord describing the problem, the date discovered, and a reasonable deadline for repairs.
  3. Gather and keep copies of all communication, receipts, and evidence in case you need to apply for dispute resolution.
  4. If the landlord does not respond or fixes are inadequate, contact the Residential Tenancies Office to learn how to file an application.

Key Takeaways

  • Landlords must repair defects causing mould; tenants should report problems in writing.
  • Document and date all evidence to support a repair request or dispute application.
  • Use provincial dispute processes if informal requests do not result in timely repairs.

Help and Support / Resources


  1. [1] Health Canada - Fungal contaminants in indoor environments
  2. [2] Canada Mortgage and Housing Corporation - Mould in housing
  3. [3] Residential Tenancies Office (PEI)
  4. [4] Residential Tenancies Act (PEI)

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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.