Landlord Demand Letter: Example & Guided Builder

A demand letter to your landlord is a formal written notice that identifies a specific problem with your rental unit, cites the legal obligation your landlord has to fix it, sets a clear deadline for repair, and states what you will do if they fail to comply.

Unlike a verbal conversation, a letter, email, or other saved written message can preserve what was reported and when. Some remedies require particular notice content or delivery methods; others do not. Check the official rules for your location before relying on the letter as a formal legal notice.

An effective demand letter has five essential components:

1. Your full name and the rental unit address — establishes exactly who is writing and about which property.

2. A clear description of the problem — specific details: what the issue is, when it started, how it affects your use of the unit. Vague descriptions ("the apartment is in bad shape") are easy to dismiss. Specific ones ("black mold visible on the north bathroom wall since approximately October 12, 2024") are not.

3. The specific law that requires the landlord to fix it — this is what separates a demand letter from an informal complaint. In Ontario, cite Section 20(1) of the Residential Tenancies Act, 2006. In California, cite Civil Code § 1941. Including the actual statute name and section number signals that you know your rights.

4. A requested response date — state when you need a response or repair. What is reasonable or legally required depends on urgency, local law, and the facts; a template date is not a universal statutory deadline.

5. A clear statement of consequences — name the regulatory body where you will file a complaint if the landlord does not comply. In Ontario, that is the Landlord and Tenant Board (LTB). In Quebec, the Tribunal administratif du logement (TAL). In California, local Code Enforcement or the Department of Consumer Affairs.

Send your demand letter in a way that creates proof of delivery:

- Email — preserves the message and timestamp; save the sent message and any response. - Trackable mail or personal delivery — may provide stronger proof of delivery where local rules accept it. - More than one method — can be useful, but only if each method is permitted by your lease and local rules.

Keep a copy of everything you send. If the issue goes to tribunal, your paper trail is your evidence.

If your landlord repairs the issue, document the completion date and result with photographs or written confirmation where practical.

If your landlord does not respond, consult the official housing or code-enforcement resource for your location. In Ontario, a maintenance application may be made to the Landlord and Tenant Board. In California, local code enforcement may be relevant. In Quebec, the Tribunal administratif du logement publishes application procedures.

The letter does not guarantee a repair, create a finding of liability, or replace any prescribed notice or application form.

You can — and you should keep it simple and factual. The difficulty is knowing which specific statute applies in your jurisdiction, what deadlines are legally appropriate for your issue type, and what language to use that courts and tribunals recognize as formal notice.

TenantShield organizes these elements into a location-aware draft and links you to a primary legal or housing source. You remain responsible for checking the facts, references, response date, and delivery method before sending it.