# Sump Pump Installation Toronto | From $1,500 CAD Installed URL: https://foundationwaterproofingtoronto.ca/sump-pump-installation-toronto/ verified CSA Certified # Sump Pump Installation Toronto: Sealed Basin, Battery Backup Last updated: October 26, 2026 ![Foundation Waterproofing Toronto crew lowering a cast-iron submersible sump pump into a sealed basin](/images/maps/two-crew-members-in-branded-shirts-lowering-a-subm.webp) engineering Submersible pump, sealed basin, check valve CSA CERTIFIED **Foundation Waterproofing Toronto** [/ →](/) provides basement waterproofing, foundation crack repair, sump pump and backwater valve installation, and interior and exterior weeping tile systems throughout Toronto, ON, backed by 25+ years of experience under Ontario Building Code Part 9. Foundation Waterproofing Toronto sizes and installs CSA-certified submersible cast-iron sump pumps in a sealed structural basin with a silent check valve and a high-water alarm, and can add a DC battery backup pump for storm outages. Backed by 25+ years of GTA basement drainage work, installations are paired with interior weeping tile discharge where a drainage system exists, filed under the Toronto Basement Flooding Protection Subsidy where eligible, and completed under Ontario Building Code Part 9. payments Scope CAD cost anchor A submersible sump pump with a sealed basin runs $1,500 to $3,500 CAD installed (2026 pricing). A DC battery backup pump adds $900 to $2,200 CAD. The City of Toronto subsidy pays up to $1,750 CAD toward an eligible sump pump, and we file the paperwork. The in-home inspection is free. - check\_circle 25+ years experience - check\_circle OBC Part 9 compliant - check\_circle Free in-home inspection - check\_circle manufacturer warranty plus written workmanship warranty calendar\_month Book Free In-Home Inspection [/contact/ →](/contact/) call Call (647) 254-5110 [tel:+16472545110 →](tel:+16472545110) assignment ## Diagnostic Inspection Request Free in-home inspection with a written diagnostic, anywhere in the Toronto GTA. **Thanks, we have your request.** A Toronto dispatcher will call you to confirm the inspection slot. - workspace\_premium 25+ Years Experience - bolt Same-Day GTA Emergency Response - verified\_user Written Workmanship Warranty - gavel OBC Part 9 Compliant - savings Up to $3,400 CAD Subsidy Filed ## 5 Parts of a Sump System That Keeps a Basement Dry Foundation Waterproofing Toronto has installed sump pumps in Toronto and GTA basements for more than 25 years, and the first thing the crew explains is that a sump pump on its own is not a system. What keeps a Toronto basement dry is five components working together: a pit set below slab level, a **sealed structural foam basin**, a cast-iron submersible sump pump sized to the flow, a **silent rubber check valve**, and a discharge line detailed so it drains and cannot freeze. A **high-water audible alarm** sits on top of that so a failure announces itself before the floor tells you. The sealed basin matters more than most homeowners expect. An open pit lets soil gas and humidity straight into the basement, and it lets debris into the pump. A sealed structural basin with a proper lid keeps both out and keeps the **dual float switch** working in clean water. The same layout applies whether the house is a post-war bungalow in North York, a semi-detached in East York, or a newer detached home in Markham with a finished rec room below grade. ## Sizing a Cast-Iron Submersible by Flow and Head Height We size by flow rate and head height, which is the vertical lift from the pit to the discharge plus friction in the line. A typical Toronto home with interior weeping tile [/interior-weeping-tile-toronto/ →](/interior-weeping-tile-toronto/) needs a 1/3 to 1/2 horsepower **CSA certification** rated cast-iron submersible. Cast iron is not a luxury detail: it sheds motor heat into the water, which is why cast-iron pumps outlast plastic-housing pumps in high-cycle installations, such as the clay-soil lots in parts of Scarborough [/service-areas/scarborough/ →](/service-areas/scarborough/) and Etobicoke [/service-areas/etobicoke/ →](/service-areas/etobicoke/) where the pit runs well after the spring thaw. The pumps we install most often are the **Zoeller Mighty-mate M53** and the **Liberty Pumps LE51**, both of which have long field records in Ontario basements and parts availability that matters in year eight. ## Replacement, New Pit or Backup: Which Scope Fits Your Home | Scope | Cost in Toronto (2026 pricing) | What you get | | --- | --- | --- | | Pump replacement | $700 to $1,400 CAD | Existing pit and basin reused, new CSA-certified submersible pump and check valve | | New pit and full system | $1,500 to $3,500 CAD | New pit cut through the slab, sealed structural basin, pump, check valve, and alarm | | Battery backup added | $900 to $2,200 CAD | DC auxiliary pump on a deep-cycle AGM or lithium battery for storm outages | | Sump plus backwater valve | $3,200 to $7,500 CAD | Both subsidy-eligible devices together, the route to the full $3,400 CAD | A replacement makes sense when the pit and basin are sound and only the sump pump has failed. A new pit is the answer when there is no sump at all, or when the old one is an open clay-tile pit with no lid. Sump and drainage work in commercial buildings, mechanical rooms, and elevator pits, where the scope overlaps with commercial plumbing, is quoted under our commercial foundation waterproofing [/commercial-foundation-waterproofing-toronto/ →](/commercial-foundation-waterproofing-toronto/) service. ## How We Compare | What you get | Typical provider | Foundation Waterproofing Toronto | | --- | --- | --- | | Pricing | Quoted only after a site visit | $700 to $3,500 CAD bands published on this page (2026 pricing) | | Pump | Plastic-housing pump, single float | Cast-iron CSA-certified submersible with a dual float switch | | Basin | Open pit, no lid | Sealed structural foam basin with a gasketed lid | | Alarm | Not included | High-water audible alarm on every new system | | Permit | Left to the homeowner | Plumbing permit filed, inspected, and closed out by our crew | | City subsidy | Homeowner files alone | Registered contractor, up to $1,750 CAD filed for you | | Warranty | Unstated or verbal | 3-year manufacturer plus 5-year written workmanship warranty | ## Do You Need a Battery Backup Pump? The storm that overwhelms your drainage is usually the storm that drops the power. A primary pump with no backup is offline for exactly the hours it was bought to cover. A **DC auxiliary backup pump** runs off a **deep-cycle AGM marine battery** or a lithium pack, and it switches over automatically when the primary loses power or fails. Systems like **Liberty StormCell** monitor charge state and alarm on a fault, so the battery is not quietly flat when you need it. On a basement that has flooded before, or a finished basement with anything valuable in it, this is the highest-value $900 to $2,200 CAD in the whole scope. ## Discharge Lines That Will Not Freeze in a Toronto Winter Most sump failures the Foundation Waterproofing Toronto crew is called to fix are discharge failures, not pump failures. - The line must be 1-1/2 inch Schedule 40 PVC with continuous fall so it self-drains between cycles. - The termination must be far enough from the foundation that the water does not circle straight back to the footing. - It cannot connect to the sanitary sewer. That is both a code violation and a contributor to the sewer surcharges that flood other basements. - Horizontal exterior runs that hold water will freeze solid in January. Where an exterior section is unavoidable, it is pitched, kept short, and fitted with an open relief so a blocked outlet does not dead-head the pump. ## Claiming the City of Toronto Sump Pump Subsidy The City of Toronto pays up to $3,400 CAD in total through the Basement Flooding Protection Subsidy Program: $1,750 toward a sump pump, $1,250 toward a backwater valve [/backwater-valve-installation-toronto/ →](/backwater-valve-installation-toronto/) , and $400 toward severance of the existing storm connection. Eligibility depends on the property and the work, and the paperwork has to be submitted with the City of Toronto building permit and inspection records attached. We are a registered subsidy contractor. We pull the plumbing permit, book the inspection, and file the application for you, which is why most of our customers install the sump and the backwater valve in the same visit: one permit, one mobilisation, and the maximum subsidy in one application. ## How Do You Test a Sump Pump at Home? Twice a year, pour a five-gallon bucket of water into the pit slowly. Watch for the float to lift, the pump to start, the water level to drop, and the check valve to close without a violent slam. Look outside and confirm water is actually leaving the discharge. Then check the alarm battery if the unit has one. If the pump hums without moving water, if it cycles every few minutes in dry weather, or if you hear grinding, book a service call before the next thaw. Replacement is planned work at $700 to $1,400 CAD, and an emergency replacement during a flood is not. A pump is the discharge end of a drainage system, so the foundation waterproofing Toronto [/ →](/) inspection looks at the whole path the water takes before it reaches the pit, and it is free. Diagnosis ## 5 Signs Your Toronto Sump Pump Needs Replacing Sump pumps fail quietly, and almost always during the storm that needed them. These five signs mean it is time to test, service, or replace. 1. 01 ### The pump runs constantly or not at all Short-cycling usually means a float or check valve problem. A pump that never runs during a wet spring is either disconnected or already dead. 2. 02 ### It is more than seven years old Most residential pumps have a service life of seven to ten years. Past that, replacement is planned maintenance rather than an emergency call. 3. 03 ### Vibration, grinding, or a loud clunk Bearing noise means the motor is going. A loud clunk on shut-off is usually a failing check valve slamming, which stresses the whole discharge line. 4. 04 ### Water backs into the pit after it shuts off That is the check valve letting the discharge column fall back in, forcing the pump to lift the same water twice and doubling its duty cycle. 5. 05 ### There is no backup and the basement has flooded before Storms that flood basements are the same storms that take the power out. A primary pump with no DC backup is offline exactly when it matters. Our framework ## How Our Toronto Sump Pump Installation Works, 5 Steps A straightforward replacement is a half-day job. A new pit in an existing slab is usually one full day. 1. 1 search ### Sizing and siting We check the drainage line, the water table, and the basement layout, then size the pump by flow and head height rather than by shelf price. 2. 2 construction ### Pit preparation For a new system, we cut the slab, excavate the pit below slab level, and bed the sealed structural basin in clear stone. 3. 3 water\_pump ### Pump and valve The cast-iron submersible pump is set, the silent check valve fitted, and 1-1/2 inch Schedule 40 PVC discharge run to a proper exterior termination. 4. 4 gpp\_good ### Alarm and backup A high-water audible alarm is installed, and where specified the DC backup pump and deep-cycle battery are mounted and wired. 5. 5 verified ### Test and file We fill the pit and run a live test, confirm discharge, close the permit, and file the Toronto subsidy paperwork on your behalf. Published CAD Pricing ## How Much Does a Sump Pump Cost in Toronto? Sump pump pricing depends on whether a pit already exists, the pump capacity your basement needs, and whether you add battery backup. These are the published CAD bands, and the City of Toronto subsidy can return up to $1,750 CAD of it on eligible work. ### Pump Replacement Only $700 to $1,400 CAD Existing pit and basin in good condition, new CSA-certified submersible pump and check valve. - check Cast-iron submersible pump - check New silent check valve - check Discharge line inspected and corrected Most requested ### New Sump System $1,500 to $3,500 CAD New pit cut through the slab, sealed structural basin, pump, check valve, and alarm. - check Sealed structural foam basin - check Dual float switch and high-water audible alarm - check 1-1/2 inch Schedule 40 PVC discharge ### Battery Backup Add-On $900 to $2,200 CAD DC auxiliary pump on a deep-cycle AGM or lithium battery for power outages during storms. - check Runs when the grid is down - check Automatic changeover on primary failure - check Charger and monitoring included ### Sump Plus Backwater Valve Package $3,200 to $7,500 CAD Both subsidy-eligible devices installed together, which is how most Toronto homeowners maximise the $3,400 CAD subsidy. - check Sump pump and mainline backwater valve - check Plumbing permit and Toronto Water pre-inspection - check Full subsidy paperwork filed for you We file the Toronto Basement Flooding Protection Subsidy on your behalf for eligible sump pump work. Pumps carry a manufacturer warranty and our written workmanship warranty. Straight answers ## Questions to Settle Before You Cut a New Sump Pit ### Do I even need a sump pump if my basement is dry? Not necessarily. A sump is the discharge point for a drainage system, so it makes sense where there is weeping tile to drain or a documented high water table. If your basement is dry and there is no drainage line to receive, the honest answer is no. ### Is a cheaper pump from a big-box store the same thing? The pump is the least of the cost. What fails on a budget installation is the plastic housing, the single float switch, the glued check valve, and a discharge line that freezes at the wall. We install cast-iron CSA-certified pumps with dual float switches for that reason. ### Will the discharge freeze in a Toronto winter? It can, and that is a real failure mode here. The discharge is run at fall, kept short, and terminated so it drains fully rather than standing in a horizontal section. Where an exterior run is unavoidable, we detail it so ice cannot block the outlet. ### Is the city subsidy worth the paperwork? The subsidy pays up to $1,750 CAD toward an eligible sump pump, plus $1,250 for a backwater valve and $400 for pipe severance. We are a registered contractor and we file it for you, so the paperwork is not your problem. Why us ## Why Toronto Homeowners Choose Us for Sump Pump Installation engineering ### 25+ Years of Foundation Waterproofing Experience We install sump systems as part of complete drainage work, so the pump is sized to the weeping tile feeding it rather than guessed at. gpp\_good ### CSA-Certified Installations Cast-iron submersible pumps, sealed structural basins, and code-compliant discharge, all CSA certified and inspected. savings ### Subsidy Filed For You Registered Toronto Basement Flooding Protection Subsidy contractor. Up to $1,750 CAD back on an eligible sump pump, filed by us. schedule ### Battery Backup Done Properly Deep-cycle AGM or lithium backup with automatic changeover, so the system still runs when the storm takes the power. receipt\_long ### Published CAD Pricing Replacement, new system, and backup pricing on the page, so you know the band before you book. workspace\_premium ### Warranty in Writing Three-year manufacturer coverage on the pump plus our five-year workmanship warranty, issued as a document. Our work ## Sump Pump Installation Projects Across the GTA Documentary photos from Toronto basements and foundation trenches. Select any image to enlarge. Customer Feedback ## What Customers Say About Our Sump Pump Installation Verified project feedback from Toronto and GTA homeowners. Names are shortened for privacy. format\_quote > Our old pump died during the July storm. They installed a cast-iron submersible with a sealed basin and an alarm for $2,800 CAD, then filed the city subsidy for us. Most of the cost came back. Ravi C.Agincourt format\_quote > The battery backup was the part I hesitated on and the part that saved us. Power went out for six hours during a thunderstorm in June and the backup carried the pit the whole time. Brigitte A.Bayview Village format\_quote > They found the real problem was the check valve, not the pump, and quoted the smaller repair. Replaced the valve and corrected the discharge run for a few hundred dollars instead of selling us a new system. Dominic H.Guildwood Answers ## Sump Pump Installation FAQs How much does sump pump installation cost in Toronto? expand\_more A new submersible sump pump with a sealed basin runs $1,500 to $3,500 CAD installed. A straight pump replacement in a serviceable pit is $700 to $1,400 CAD, and a battery backup pump adds $900 to $2,200 CAD. How do I know if my sump pump is working? expand\_more Pour a bucket of water into the sump pit. The float switch should activate, the pump should run, and water should discharge outside. Test it twice yearly, once in the fall and once before the spring thaw. How long does a sump pump last? expand\_more Seven to ten years for a quality cast-iron submersible in normal residential duty. Pumps in basements with high water tables cycle far more often and land at the lower end of that range. Do I need a battery backup sump pump? expand\_more If your basement has flooded before, or if the pump is the only thing standing between a finished basement and water, yes. Storms that overwhelm drainage are the same storms that cause outages, so a primary pump on grid power alone has a predictable blind spot. What size sump pump do I need? expand\_more Sizing is by flow rate and head height, not horsepower marketing. A typical Toronto basement with interior weeping tile is served well by a 1/3 to 1/2 horsepower cast-iron submersible, and we confirm the number during the inspection. Where does the sump pump discharge to? expand\_more To grade, away from the foundation, and never into the sanitary sewer. The discharge is run with fall so it drains rather than holding water that can freeze, and the termination is placed where the water will not simply run back toward the wall. Can I get the City of Toronto subsidy on a sump pump? expand\_more Yes, on eligible installations. The Basement Flooding Protection Subsidy pays up to $1,750 CAD toward a sump pump, on top of $1,250 for a backwater valve and $400 for pipe severance. We are registered and file on your behalf. Does a sump pump need a permit? expand\_more A sump connected to a drainage system requires a plumbing permit from the City of Toronto Building Division. We file it, arrange the inspection, and close it out as part of the installation, and the closed permit is one of the records the subsidy application needs. How long does sump pump installation take? expand\_more A straight pump replacement in an existing pit is a half-day job. A new pit cut through an existing slab, with the basin, pump, check valve, discharge, and alarm, is usually one full day. Is a sump pump a red flag when buying a house? expand\_more No. A sump pump means the house has a way to remove water from the footing, and many Toronto homes have one because of clay soil and a high water table. Ask for the pump age, the service history, and whether a battery backup and high-water alarm are fitted, because a neglected pump is the real concern, not the presence of one. What brands of sump pump do you install? expand\_more We install commercial-grade CSA-certified pumps including Zoeller Mighty-mate M53 and Liberty Pumps LE51 primaries, with Liberty StormCell battery backup systems where specified. Why does my sump pump run even when it has not rained? expand\_more A high water table around the footing keeps feeding the pit regardless of recent weather, which is normal in parts of Etobicoke, Markham, and Richmond Hill. Continuous short-cycling with no water, though, points to a stuck float or a failed check valve. ### Still have a question about your basement Book a free in-home inspection and we will answer it in writing, with the scope and the CAD price on the same page. Book Free In-Home Inspection [/contact/ →](/contact/) ## Related Services Wet basements rarely have a single cause. These services are the ones most often scoped alongside this work on Toronto homes. tune ### Interior Weeping Tile Toronto Interior weeping tile in Toronto and the GTA: a sub-slab perimeter drain and air-gap membrane tied to a sump pump, $110 to $220 CAD per linear foot, installed in 3 to 5 days with a written workmanship warranty. View details arrow\_forward [Interior Weeping Tile Toronto →](/interior-weeping-tile-toronto/) gpp\_good ### Backwater Valve Installation Toronto Mainline backwater valve installation in Toronto and the GTA to prevent sewer backup and basement flooding, with plumbing permit, Toronto Water pre-inspection, and up to $3,400 CAD subsidy filing. View details arrow\_forward [Backwater Valve Installation Toronto →](/backwater-valve-installation-toronto/) emergency\_home ### Emergency Basement Flooding Toronto Emergency basement flooding response in Toronto and the GTA: same-day dispatch, water extraction, sewer backup vs hydrostatic pressure diagnosis, moisture readings, and a permanent backwater valve, sump pump, or weeping tile fix under Ontario Building Code Part 9. View details arrow\_forward [Emergency Basement Flooding Toronto →](/emergency-basement-flooding-toronto/) ![](/images/misc/two-crew-members-testing-a-newly-installed-sump-pu.webp) Same-Day GTA Emergency Response ## Get a written sump pump installation diagnostic for your Toronto home Book the free in-home inspection and we confirm the water source, the scope, and the CAD price in writing before anyone picks up a tool. calendar\_month Book Free In-Home Inspection [/contact/ →](/contact/) call Call (647) 254-5110 [tel:+16472545110 →](tel:+16472545110) - check\_circle Free in-home inspection with a written diagnostic - check\_circle Published CAD pricing before any work starts - check\_circle OBC Part 9 compliant, WSIB registered, $2M insured