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GTAGTA Plumbing Company

Homeowner notes

Condo Owner vs Corporation: Plumbing Responsibilities

In an Ontario condo, some plumbing is yours and some belongs to the corporation. Knowing the difference saves arguments and money.

  • Plain steps a homeowner can follow
  • Where the DIY part ends and a plumber takes over
  • Ontario and GTA details where they matter
  • Plumbing facts, no sales pitch
Bank of utility meters and pipes mounted on the side of a brick building
Shared service pipes and meters on a multi-unit building.

Diagnosis first, tested after

What decides it

Responsibility is set by your condominium’s declaration, by-laws and the Condominium Act. The declaration defines the unit boundaries and what is a common element. Typically, fixtures and pipes serving only your unit are yours; common risers, vertical stacks and whole-building equipment fall to the corporation. Every building is different.

Typical split

ItemUsually
Faucets, toilets, sinksOwner
Dishwasher, washer hosesOwner
Unit water heaterOwner or per declaration
Shared risers and stacksCorporation
Main building shut-offsCorporation

Read the declaration before the leak, not after.

When water leaks into another unit

The source unit’s owner may be responsible for damage under the declaration and insurance arrangements. Report leaks to management immediately. Unit owner insurance with adequate coverage for damage to others and deductible assessments is important.

Hiring a plumber

  • Check building contractor rules and insurance requirements
  • Book elevator and parking
  • Ask management about shutting risers if needed
  • Keep invoices

Call (365) 387-8531 and we will work within your building’s rules.

Inside the unit, what we usually touch

Supply stops under sinks, the toilet fill valve and wax seal, dishwasher and washer hoses, the kitchen trap and the shower cartridge. Anything behind a riser access panel or on the common stack is normally the corporation's plumber, so we photograph it and you forward the pictures to management.

Stop and call a plumber if

  • Brown stains spreading on a ceiling below a bathroom
  • Pressure drops when two fixtures run together
  • Green crust on copper joints or rust weeping from galvanized fittings

Common questions

Who pays when a shared stack clogs?

Usually the corporation, unless the declaration says otherwise or misuse is proven.

Related pages

Call now · (365) 387-8531