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Ontario Condo Law: Owners, Boards & the CAT Explained

Buying or living in a condominium in Ontario means you are governed by the Condominium Act, 1998 and your corporation's own Declaration, By-laws, and Rules. Understanding how these layers interact — and where to go when something goes wrong — can save you thousands of dollars.

What You Actually Own in a Condo

When you buy a condo unit, you own:

  • Your unit — typically the space within the walls, floor, and ceiling of your suite
  • An undivided interest in the common elements — lobbies, hallways, amenities, roof, parking (common elements), and exclusive-use common elements (your balcony, parking spot)

The condominium corporation — a non-profit entity run by a Board of Directors — manages the common elements and enforces the governing documents.

The Governing Documents (Hierarchy)

DocumentWhat It GovernsHow to Change
DeclarationUnit boundaries, common elements, voting rights80% owner vote
By-lawsBoard structure, quorum, meetings, fees50%+1 owner vote
RulesDay-to-day conduct: pets, noise, moving, BBQsBoard resolution + 30-day notice to owners

Status Certificates: What Buyers Must Review

Before closing on a resale condo, your lawyer will request a Status Certificate($100 fee; the corporation has 10 days to provide it). It contains critical information:

  • Current and projected common expenses (maintenance fees)
  • Reserve fund balance and most recent reserve fund study
  • Any pending or threatened litigation against the corporation
  • Any outstanding special assessments
  • Whether the unit's common expenses are in arrears
  • A copy of the Declaration, By-laws, and Rules

If you waive the status certificate review, you are bound by its contents regardless.Always have a lawyer review it before waiving your condition.

Special Assessments: What They Are & How to Challenge Them

A special assessment is a one-time charge levied by the board when the reserve fund is inadequate for a major repair (e.g., garage membrane, elevator, roof). Key points:

  • The board can impose a special assessment without an owner vote in most cases
  • You are legally obligated to pay it — failure to pay can result in a lien on your unit
  • You can requisition an owners' meeting (15% of owners can demand a meeting) to question management decisions
  • If you believe the board acted improperly (lack of notice, improper procurement), consult a legal professional about your options

The Condominium Authority Tribunal (CAT)

The CAT is an online tribunal that handles disputes between owners, occupants, and condo corporations. It covers:

  • Noise, odour, light, vibration, and nuisance disputes (as of 2021)
  • Pet and animal disputes
  • Parking and storage disputes
  • Access to records (the board must provide owners with certain documents on request)
  • Compliance with governing documents

CAT applications are filed at condoauthorityontario.ca. The process has three stages: negotiation → mediation → adjudication. Most disputes resolve in stages 1 or 2. Filing fees start at $25.

When to Get Legal Help

Consider legal representation when:

  • The board is refusing access to records you are entitled to
  • You received a lien for unpaid common expenses you dispute
  • You are the subject of a compliance order or threatened with fines
  • You are buying a condo and the status certificate reveals concerns
  • A special assessment is being levied and you believe governance was improper

Facing a condo board dispute or reviewing a status certificate?

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