Toronto
Expanded program backwater valve subsidy: up to 80% of invoiced cost, maximum $1,600 per device, maximum two devices, subject to City rules and approval.
Toronto rebate pageSanitary + storm sewer backflow protection
Backwater Valve Rebate Help for Toronto and Markham
Compare Toronto and Markham backwater valve rebate pathways and book private installation/documentation support.
Private service company. Not the City of Toronto or City of Markham. Municipal rebate approval is determined by the municipality.
Two municipalities. Different rebate paths.
Backwater valve rebates are not identical in Toronto and Markham. Toronto publishes backwater valve subsidy amounts under the Basement Flooding Protection Subsidy Program. Markham publishes indoor and outdoor backwater valve rebate amounts under its Private Plumbing Protection Rebate Program.
Markham
Backwater valve rebates vary by indoor/outdoor and sanitary/storm lateral categories, with maximums listed from $1,750 to $2,000.
Markham rebate pageSupport
We help with private service documentation, invoices, photos, inspection records, and application support. Municipal approval is not guaranteed.
Application supportProtect your basement from sewer backflow.
Book a focused backwater valve assessment for Toronto or Markham. We support indoor/outdoor installation planning, insurance records, and rebate documentation.