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Toronto & GTA Basement Flood DefenseUp to $1,750 Rebate

Backwater Valve Prices in Toronto: Published CAD Pricing

Backwater Valve Installation Toronto publishes every price band before you book anything. These are installed prices in Canadian dollars, before tax and before the City of Toronto subsidy. Your exact number is confirmed in writing at the free in-home assessment, before any work starts.

City of Toronto Subsidy Handled For You

$1,250 valve grant + $500 sump pump combo. Full paperwork filing included.

Installation (per install, before rebate)

Service Price (CAD)
Interior pit install Up to $1,250 City subsidy $1,800-$3,200
Exterior excavated install Up to $1,250 City subsidy $2,500-$4,500
Dual flapper upgrade Up to $1,250 City subsidy $2,200-$3,800
Mainline whole-house Residential: up to $1,250 $2,800-$4,800
Combo install (valve + sump) Eligible for the FULL $1,750 subsidy $5,500-$9,500
Insurance claim install Up to $1,250 City subsidy $1,800-$4,500

Service and Maintenance (per visit)

Service Price (CAD)
Annual inspection + backflow test Written report included $150-$350
Emergency repair (stuck flapper) Same-day dispatch $300-$800
Replacement (existing failed valve) Subsidy checked before booking $1,500-$3,000
Sewer lateral camera scope Free with every install assessment $150-$450

Rebate Impact (City of Toronto Basement Flooding Protection Subsidy)

Service Price (CAD)
Base backwater valve rebate Toronto residential addresses up to $1,250
Combined with sump pump install Foundation drain disconnected + $500 (total $1,750)
Rebate paperwork preparation and submission With every eligible install Included

What You Actually Pay

Typical Toronto jobs, before and after the City of Toronto subsidy.

Example job Price Subsidy You pay
Interior install $2,600 - $1,250 $1,350
Exterior install $3,600 - $1,250 $2,350
Dual flapper install $3,000 - $1,250 $1,750
Valve + sump combo $5,800 - $1,750 $4,050
Estimate My Cost After Rebate

What's In Every Price

  • Free in-home drain assessment and sewer lateral camera scope before any install.
  • City of Toronto drain permit application and fee.
  • Backflow test to CSA B64.10 and a written test record.
  • City plumbing inspection booking, with our crew on site.
  • Basement Flooding Protection Subsidy filing and tracking.
  • Concrete patch, cover plate or yard restoration as quoted.
  • Written 2-year workmanship warranty, WSIB coverage and $2M CGL.

Prices are before HST. What moves you within a band: drain depth, slab thickness, floor finish, pipe condition at the tie-in, lateral size and season. Subsidy amounts and eligibility are set by the City of Toronto and apply to Toronto residential addresses only.

Plumber reviewing a written quote with a homeowner at the top of basement stairs

Get Your Exact Price in One Visit

We scope the drain, check your subsidy and put a written CAD price in your hands before you decide anything.

  • Free camera scope
  • Published CAD pricing
  • Written 2-year workmanship warranty
Call (416) 555-0199Check $1,750 Rebate