If you own a home in Ontario and have been putting off basement waterproofing because of the cost, there is a good chance the government will help pay for it. Several municipal and provincial programs exist specifically to help homeowners cover the cost of protective plumbing upgrades — and most Ontarians have never heard of them.
Here is what is available, who qualifies, and what you need to do before any work begins.
The City of Toronto Basement Flooding Protection Subsidy
Toronto homeowners can access up to $6,650 through the City’s Basement Flooding Protection Subsidy Program. The program covers backwater valve installation, sump pump installation, battery backup sump pump systems, downspout disconnection, and window well installation.
Each eligible item has its own maximum subsidy amount. The backwater valve installation, for example, is covered up to $1,250 for the hardware plus up to $680 for permit and inspection fees. A sump pump installation is covered up to $1,750, again with permit fees included. The combined maximum across all qualifying work is $6,650 per property.
The experts at Direct Waterproofing work with Toronto homeowners on these applications regularly and point out the one rule that trips people up most often: you must get pre-approval from the City before any work begins. Submit your application, receive your approval, then hire your contractor. Applications submitted after the work is complete are not accepted under any circumstances.
Hamilton’s Protective Plumbing Program
Hamilton runs its own version called the Residential Protective Plumbing Program. The program covers backwater valve and sump pump installations for single-family homes built before January 1, 2012. Property taxes must be current to qualify. To start the process, contact the City of Hamilton directly to receive a Service Request Number before scheduling any work. As with Toronto, the pre-approval step is mandatory.
One important detail in Hamilton: using a contractor from the City’s pre-approved list gives you access to the full $2,000 grant. Using a contractor who is not on the list reduces your maximum grant to $500.
Peel Region: Mississauga and Brampton
Homeowners in Mississauga and Brampton can apply through Peel Region’s Basement Flooding Protection Subsidy Program. The program offers subsidies for backwater valve installation and sump pump installation, with amounts that vary depending on the specific work and property type.
Eligible properties include detached, semi-detached, and townhomes in areas identified by the Region as flood-vulnerable. As with other programs, pre-approval before work begins is required.
York Region
Municipalities within York Region, including Vaughan, Markham, Richmond Hill, and Newmarket, also offer basement flooding protection subsidy programs. Amounts and eligibility conditions vary by municipality, but backwater valve and sump pump installations are covered in most cases.
Contact your local municipality directly to confirm current subsidy amounts and application requirements before scheduling work.
What These Programs Cover
Across Ontario, the work most commonly covered by municipal rebate programs includes:
- Backwater valve installation
- Sump pump installation and replacement
- Battery backup sump pump systems
- Downspout disconnection
- Window well installation with drainage
Foundation crack repair and interior or exterior waterproofing systems are generally not covered under these programs. The focus is on protective plumbing that reduces the risk of sewer backup and surface flooding rather than structural waterproofing.
What You Need to Do Right Now
The process is straightforward, but the order matters.
First, check whether your municipality offers a program. If your city is not listed here, contact your local public works or water department directly, as programs are updated regularly and new ones are introduced when flood risk increases.
Second, apply for pre-approval before contacting any contractor. This is the step most homeowners skip, and it disqualifies them from the rebate entirely.
Third, confirm your contractor holds the required licence for the work in your municipality. An unlicensed contractor will not only perform the work below standard but will disqualify your rebate application.
Fourth, keep all documentation. Your invoice, permit records, and warranty paperwork are all required for the final reimbursement submission.
The most common reason homeowners miss out on these programs is simply not knowing they exist. The second most common reason is starting work before getting approval. Know the program exists, apply first, and the savings can be significant.
