● Helping Toronto Homeowners Prevent Basement Flooding
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Backwater Valve Alarm Toronto

Add an alarm so you know when the valve is closed and when to stop using household plumbing fixtures.

Backwater Valve Alarm Toronto illustration

Sewer backup protection

A backwater valve is installed on the private plumbing system to reduce sewer backup risk when municipal sewers surcharge. Homeowners must understand that when a valve is closed, fixtures should not be used because water may not drain.

Backwater valve and sump pump flood protection equipment reviewed with a Toronto family

What we inspect

  • Basement plumbing fixtures and floor drain clues
  • Sump pit condition, pump age, alarm and backup power
  • Backwater valve location, access, and maintenance concerns
  • Discharge route and visible drainage risks
  • Permit, inspection, invoice, and photo documentation needs

How it relates to the City subsidy

Some work may be eligible for Toronto’s Basement Flooding Protection Subsidy Program if the home, contractor, work category, timing, and documents meet City requirements. The City makes the final decision.

Private service disclaimer: BasementFlooding.ca is a private service company and is not the City of Toronto. Subsidy approval, eligibility, and payment are determined by the City of Toronto.

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Frequently Asked Questions

BasementFlooding.ca is a private service company and is not the City of Toronto. Subsidy approval, eligibility, and payment are determined by the City of Toronto.
No. We provide private plumbing services and documentation guidance. Eligibility, approval, and payment are determined by the City of Toronto.
Start with the eligibility checker or book a free call so we can explain whether an assessment, backwater valve, sump pump, battery backup, or documentation help makes sense.
For subsidy-related work, contractor licensing and proper documentation matter. We help homeowners understand what to ask before hiring anyone.