Basement flooding and sewer backup in Windsor

Plumbers for backwater valves, sump pumps and drains.

30 pros in Windsor

Basement flooding in Windsor is a recent memory, not a distant risk. In September 2016, flooding led to a state of emergency in Windsor and Tecumseh, and the City received reports of 700 flooded homes and businesses. Then the rainstorm of August 29, 2017 flooded about 6,000 basements, according to CBC. That history is why the City runs a Basement Flooding Protection Subsidy Program, with a lifetime maximum per property and approval on a first-come, first-served basis. When you hire for a backwater valve, sump pump or drain work, the programme rules shape the job. You must apply and get approval before any work starts, and the work must be done by a City of Windsor Licensed Plumber, followed by a final inspection that passes. Work you do yourself, or work started before approval, is not eligible. Ask any trade whether they hold that licence, whether the quote names the specific item in the programme, and who arranges the inspection.

Source: CBC News (source, opens in a new tab)

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  1. Gill Plumbing

    Dating to 1954 and family-owned, this Southgate plumber focuses on sump pump installation and replacement, including battery backup models. Dearborn, Flat Rock, Taylor and Riverview are in its area.

    Also serves Detroit

    • Website checked

    Rated 4.8 out of 5 670 Google reviews · Nov 2026

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What to know in Windsor

Before you hire

  1. Ask which permits the job needs and who will get them; your municipal building department can tell you before work starts.

    Source: ised-isde.canada.ca (source, opens in a new tab)

  2. Get written quotes from at least three contractors for the same work, and check references from recent clients.

    Source: ised-isde.canada.ca (source, opens in a new tab)

  3. Put it in a written contract: the work, price, deposit, start and finish dates, warranty, permits and clean-up. Paying cash to skip it leaves you no recourse.

    Source: ised-isde.canada.ca (source, opens in a new tab)

Questions about hiring in Windsor

Who can do my backwater valve or sump pump work if I want the City subsidy?

The work must be done by a City of Windsor Licensed Plumber, and a final inspection must pass. Work done by the homeowner is not eligible. Before you accept a quote, ask to see the licence and confirm who books the inspection once the job is finished. City of Windsor (source, opens in a new tab)

When should I apply for the Windsor basement flooding subsidy?

Apply first and wait for approval before any work begins. Work done before approval is not eligible for the subsidy. Because approval is first-come, first-served, it is sensible to apply early and then ask trades to quote on the approved scope only. City of Windsor (source, opens in a new tab)

What should a quote for basement flooding prevention include?

A good quote names each item to be installed, such as a backwater valve, sump pump or drain disconnection, and states who pulls any permit. It should also give the start date, the warranty terms and what happens if hidden problems are found. Get the same scope in writing from each trade.

Does the Windsor subsidy cover more than one kind of work?

Yes. The programme lists separate maximums for a backwater valve, a sump pump, a sump pump with overflow and floor drain disconnection, foundation drain disconnection, dye testing or camera inspection, and a sump pump overflow alone. The overflow-only option requires an existing sump pump. There is a lifetime maximum per property. City of Windsor (source, opens in a new tab)