The Condominium Authority Tribunal (the CAT), is an online tribunal dedicated to resolving and deciding condominium-related disputes in Ontario. The CAT has developed an online dispute resolution system (CAT-ODR) to help people resolve their disputes conveniently, quickly and affordably, while encouraging everyone to work together in healthy condominium communities.

Before you File

Before you start filing an application, we recommend that you review the information below. You can also click here to learn more about the steps to file an application through the CAT-ODR system.

The CAT’s Jurisdiction

The CAT can currently accept applications about the following types of disputes – click on each dispute type to access more information:

1. Condominium Records

• Includes disputes involving the records that condo corporations are required to keep under the Condominium Act, 1998, and which owners are entitled to access.

2. Compliance with Settlement Agreements

• Includes disputes involving non-compliance with a settlement agreement from a previous CAT case.

3. Disputes about provisions in a condominium corporation’s governing documents involving Pets and Animals, Vehicles, Parking and Storage.

• Includes disputes involving compliance with the provisions, the reasonableness and consistency of the provisions, and whether the provisions were properly implemented.

4. Disputes about unreasonable nuisances, annoyances, or disruptions or provisions in a condominium corporation’s governing documents involving Noise, Odour, Light, Vibrations, Smoke and Vapour.

• Includes disputes about these types of unreasonable nuisances, annoyances or disruptions, and disputes about provisions in a condominium corporation that govern these types of activities.

5. Disputes about any other type of nuisance, annoyance or disruption set out in provisions of the condominium corporation’s governing documents.

• Includes disputes involving compliance with the provisions, the reasonableness and consistency of the provisions, and whether the provisions were properly implemented.

6. Disputes about provisions in a condominium corporation’s governing documents involving indemnification or compensation relating to #3, #4 and #5 above.

Account Requirements

You must have a personal account on the CAO website to file or join a CAT application.
If you already have an account (e.g., because you created one to access the CAO’s other services, such as the CAO’s online Director Training Program), you can use that account to file or join a CAT case.

Don’t have an account?

Click here to learn about how to create an account.