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Plan rent increases, rent arrears notices, and move-out records before using current official Landlord and Tenant Board forms. These tools organize numbers and tasks; they do not replace LTB forms, filing, service, or legal advice.
Researched by usecos.app Research & Engineering · Sources verified 2026-08-01
Direct answer: Use these Ontario helpers as preparation sheets only. A valid notice or application still requires the current official LTB form, correct service, and fact-specific review.
Free, browser-based, source-cited, and no account required.
Official N1/N2 required
Calculate the 2026 or 2027 Ontario guideline increase, check the 90-day timing rule, and prepare the details needed before using the official N1 or N2 form.
Open toolOfficial N4 required
Prepare a rent-only arrears table, payment offsets, and an estimated termination date before completing the official Form N4.
Open toolRecord organizer
Create a private move-out record checklist for keys, photos, unpaid rent, last-month-rent deposit notes, and repair documentation.
Open toolUseCOS does not determine whether a notice is valid, whether a unit is rent-controlled, whether a party has met a service rule, or whether an LTB application will succeed. Confirm the current official form and consider legal advice from a lawyer or licensed paralegal.