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Find your backwater valve rebate before you hire.

Use this homepage as the map. Start with the quiz, then jump to the city guide, permit page, valve-type explainer, cost guide, or contractor section that matches your situation.

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Independent routing service. Not affiliated with Mississauga, Peel Region, or any municipality. We do not guarantee rebate approval.

Core split

Mississauga and Peel are not one generic rebate.

If you only remember one thing, remember this: the right first page depends on whether the work is City basement flood-prevention work or Peel sanitary backwater valve work.

Mississauga rebate path

Basement flooding prevention measures

Can include sump pump work, foundation drain capping, downspout disconnection, and storm lateral backwater valve work.
New eligible installations require City pre-approval before installation.
Program maximum is listed up to $7,500 for eligible measures, subject to City review and available funding.

Peel rebate path

Sanitary backwater valve only

Applies to eligible sanitary backwater valve work connected to the sanitary lateral.
Requires municipal building permit before installation and inspection after installation.
Rebate is listed as 60% of eligible invoiced amount, up to $1,500 including tax.

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Guide library

Browse every current guide.

City and regional pages stay separated so homeowners do not treat permit approval, inspection approval, and rebate approval as the same thing.

Mississauga installers

Mississauga lists up to $7,500 for eligible basement flood-prevention measures. Peel Region separately lists a sanitary backwater valve rebate of 60% up to $1,500 for eligible work.

Mississauga rebate

The City lists a maximum rebate of $7,500 for eligible basement flood-prevention measures. For measures being installed now, Mississauga says pre-approval is required before installation.

Mississauga sump pump rebate

The City lists a maximum rebate of $7,500 per property, with the sump pump the largest single measure at up to $6,000. Since February 12, 2025, every measure must be pre-approved by the City before installation to be eligible.

Peel rebate

Peel Region lists a rebate of 60% of the invoiced amount, up to $1,500 including tax, for eligible sanitary backwater valve installations completed after July 16, 2024.

Brampton rebate

Peel Region lists a sanitary backwater valve rebate of 60% of the invoiced amount, up to $1,500 including tax, for eligible residential properties in Peel, including Brampton where the project meets the program rules.

Brampton installation

Peel Region lists a sanitary backwater valve rebate of 60% of the invoiced amount, up to $1,500 including tax, for eligible residential properties in Peel, including Brampton where the project meets the program rules.

Caledon rebate

Peel Region lists a sanitary backwater valve rebate of 60% of the invoiced amount, up to $1,500 including tax, for eligible residential properties in Peel, including Caledon where the project meets the program rules.

Hamilton 3P program

Hamilton lists grant support for eligible protective plumbing improvements. The official page distinguishes work completed through the City's pre-qualified contractor path from work completed by other contractors.

Toronto 2026 rebate

Toronto says that as of May 1, 2026, it is expanding the program and offering up to $6,650 in subsidies per property for eligible work completed on or after November 12, 2025.

Toronto sump pump rebate

Toronto says that as of May 1, 2026, it is expanding the program and offering up to $6,650 in subsidies per property for eligible work completed on or after November 12, 2025. The sump pump measure covers 80% up to $2,250 for one device.

Windsor subsidy plumbers

Windsor lists up to $3,500 per property as a lifetime maximum for approved basement flooding protection work on private property.

London grant contractors

London lists grant funding for eligible flood protection measures such as backwater valves, sump pits and pumps, weeping tile disconnection, storm laterals, and related measures.

Halton rebate

Halton Region subsidizes 50% of eligible backwater valve costs, up to $1,600, for work completed after July 15, 2024. Work completed on or before July 15, 2024 fell under a $675 maximum. The valve must be installed inside the home, the property must be connected to Halton Region's municipal wastewater system, and the subsidy is available once per property.

Oakville rebate

Oakville properties are served by Halton Region's Basement Flooding Prevention Program, which subsidizes 50% of eligible backwater valve costs up to $1,600 for work completed after July 15, 2024. The valve must be installed inside the home, the property must be connected to Halton Region's municipal wastewater system, and the subsidy is available once per property.

Oakville installation

Oakville properties are served by Halton Region's Basement Flooding Prevention Program, which subsidizes 50% of eligible backwater valve costs up to $1,600 for work completed after July 15, 2024. The valve must be installed inside the home, the property must be connected to Halton Region's municipal wastewater system, and the subsidy is available once per property.

Edmonton rebate

Edmonton's backwater valve rebate is the EPCOR Backwater Valve Subsidy, delivered with the City of Edmonton. It covers up to $800 toward an eligible backwater valve installation. The home must have been built before 1989 and must have previous basement flooding from sanitary sewer backup or sit in an area with previous neighbourhood flooding. The property must have no existing backwater valve, must never have received the subsidy, and must be separately serviced (single family or duplex). A professional plumber must do the installation, and funding is limited and first-come, first-served. EPCOR currently lists the pre-approval inspection as suspended until further notice.

EPCOR installer guide

The EPCOR Backwater Valve Subsidy, delivered with the City of Edmonton, covers up to $800 toward an eligible backwater valve installation. EPCOR runs no accredited or approved installer list: any professional plumber who produces the City of Edmonton permit, the green sticker with permit number, and an invoice showing the valve model plus the contractor's GST number or City of Edmonton Business Licence qualifies. Final eligibility is EPCOR's call, and funding is limited and first-come, first-served.

Canada rebate hub

Rebate programs across Canada are municipal or regional, and they differ in three structural ways: how they pay (percentage of cost vs flat maximum), whether they require an approved or pre-qualified contractor list, and whether pre-approval is required before work starts. Percentage programs include Toronto (80% up to per-measure caps), Peel (60% up to $1,500), London (90% up to category caps), and Halton (50% up to $1,600); flat-maximum programs include Windsor (up to $3,500), Edmonton (up to $800), and Mississauga (up to $7,500). Final eligibility always belongs to the official municipal or regional program.

Ontario cost guide

Ontario rebate rules are municipal or regional. This page compares common quote drivers and links to official city pages for eligibility.

Proof of process

What the check looks at.

City path

Mississauga, Peel, and other cities can use different timing and documentation rules.

Work type

Sump pump, storm valve, sanitary valve, and drainage work are not interchangeable.

Timing risk

Pre-approval, permit, inspection, and application timing can matter before money is spent.

Independent routing service. Not affiliated with any municipality or rebate program. We do not guarantee rebate approval. Contractors may pay us for placement, lead routing, or introductions. Homeowners must confirm eligibility, timing, permits, inspections, and documentation with the official city or regional program before starting work or applying.

Best first click

Not sure where to go? Start with the quiz.

The quiz gives homeowners a cleaner first step, then the homepage remains the map back to every guide.