
Backwater Valve & Sump Pump Bundle โ Toronto $6,650 Subsidy
Professional backwater valve & sump pump bundle services in Toronto and the Greater Toronto Area. Licensed, insured, and trusted by homeowners across the GTA.
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How It Works
A simple, stress-free process from start to finish.
Send Your Request
Call or WhatsApp us 24/7. Send photos, video, comments about what needs to be done, and your location.
Remote Estimate
We review everything, discuss details, and provide a clear estimate โ often within hours, no visit needed.
Repair Process
Our licensed team arrives on the agreed date and completes your backwater valve & sump pump bundle to the highest standards.
Handover & Warranty
Final walkthrough with you, full cleanup, and warranty documentation provided.
Send Your Request
Call or WhatsApp us 24/7. Send photos, video, and a description of the work + your location.
Remote Estimate
We review everything, clarify details, and give you a price โ often within hours.
Repair Process
Licensed team arrives on schedule and completes your backwater valve & sump pump bundle professionally.
Handover & Warranty
Final walkthrough, full cleanup, and warranty documentation.
Backwater Valve & Sump Pump Bundle in Toronto GTA
RenoHouse installs combined backwater valve and sump pump systems for Toronto and GTA homeowners under the City of Toronto Basement Flooding Protection Subsidy Program. The flood-protection bundle pairs a normally-open backwater valve on the main sanitary sewer line (prevents municipal sewer back-up during heavy storms and combined-sewer overflow events) with a sump pump and battery backup (handles groundwater intrusion and storm-water that bypasses the sewer). Together they address the two most common Toronto basement flooding scenarios: sewer back-up during summer thunderstorms and groundwater rise during long rainfall events.
The 2026 Toronto subsidy expansion
Toronto raised the Basement Flooding Protection Subsidy maximum to $6,650 effective May 2026 (up from $3,400). Eligible work is retroactive to November 12, 2025. The subsidy now covers two backwater valves per property (some Toronto homes have separate sanitary and storm laterals), one sump pump with battery backup, and a plumbing assessment. Per-device caps: backwater valve 80% of cost up to $1,600 each (two devices = $3,200); sump pump with battery backup 80% up to $2,250; plumbing assessment 80% up to $500. Properties must be detached, semi-detached, or row residential within Toronto city boundaries. We prepare all subsidy paperwork, including itemized invoices, before-and-after photos, and the City's required application form.
Why Toronto needs both devices
Toronto experiences 60โ90 freeze-thaw cycles per winter (compared to 30โ40 in interior Canada), creating soil-moisture stress that cracks foundations and overburdens combined sewers. The 2018 Bayview/Don Mills storm produced 4-in-1-hour rainfall and flooded ~3,400 basements city-wide; July 2024 produced a similar event. Toronto Water classifies most of Etobicoke, the Beaches, Riverdale, Leaside, and lower Don Mills as basement-flooding hot zones. Lake-proximity neighbourhoods (Mimico, Long Branch, the Beaches, Leslieville) face additional storm-surge groundwater pressure. A sewer-only solution misses groundwater; a sump-only solution misses sewer back-up โ bundle is the correct answer for most Toronto homes.
Equipment we install
Backwater valves: Mainline Backflow MLE-4F (full-port, mainline-style with removable flapper, MMCD-approved for Toronto), Mainline MAR-3 series, or equivalent IPEX or Backwater Valve Inc. units. All units we install carry CSA B181.1/B181.2 certification and meet Toronto Plumbing Bylaw 681 device-type requirements. Sump pumps: Liberty Pumps 257 (1/3 HP) or 287 (1/2 HP) cast-iron submersibles, Zoeller M53 or M98, with vertical float switches (more reliable than tethered floats in narrow Toronto pits). Battery backup: Basement Watchdog BWE or Liberty SJ10 standalone backup pumps with sealed AGM batteries, 7-hour minimum runtime, with high-water alarm and Wi-Fi monitoring options.
Pricing and project value
Backwater valve install (in existing basement floor, typical access): $1,800โ$3,500 per device. Sump pump install with battery backup, basic existing pit: $2,500โ$5,000. Combined bundle (one BWV + sump + battery + plumbing assessment): $5,000โ$11,000 gross. After Toronto subsidy reimbursement: $3,000โ$6,500 net out-of-pocket. Plumbing-permit included; concrete coring and floor patch where needed.
Honest scope
Backwater valve installation requires a Toronto Plumbing Permit and is scoped under Toronto Bylaw 681 (Sewers) โ performed by our licensed plumber partners (Master Plumber license + Toronto Water-recognized contractor). Concrete coring is done in-house. Sump pump install with battery backup is done by RenoHouse's plumbing trades under the same permit. Toronto's Basement Flooding Subsidy paperwork (application form, invoice formatting, before/after photos with property identifier, contractor declaration) is prepared and submitted by RenoHouse on the customer's behalf โ final approval and reimbursement timing rest with the City (currently 8โ14 weeks). We do NOT arrange the rebate as a credit at signing โ the homeowner pays in full and is reimbursed by the City directly.
Common mistakes we avoid
(1) Wrong valve type โ a normally-closed valve causes constant flushing-restriction problems and is not subsidy-eligible; we install only normally-open backflow preventers per Bylaw 681. (2) Pit too shallow โ a 16"-deep pit overworks the pump; we install 24"โ30" pits where space allows. (3) No battery backup โ defeats the subsidy maximum; battery backup is mandatory for the full $2,250 sump credit. (4) Discharge to sewer โ illegal under Bylaw 681; sump must discharge to grade, splash pad, or stormwater connection.
Serving Toronto, Mississauga, Brampton, Vaughan, Markham, Richmond Hill, Oakville, Burlington, Etobicoke, Scarborough, North York, and all GTA communities. The Toronto Basement Flooding Subsidy applies to City of Toronto residential properties only. Call 289-212-2345 for a free flood-protection assessment.

What Makes Us Different
Flexible Scheduling
Book backwater valve & sump pump bundle appointments that fit your life. Evening and weekend slots available.
Quality Guaranteed
We don't cut corners. Every project follows industry best practices with premium materials and meticulous attention to detail.
No Hidden Fees
Straightforward pricing for backwater valve & sump pump bundle. What we quote is what you pay โ guaranteed.
Sound Familiar?
These are the most common problems our clients face.
Toronto raised the basement flooding subsidy to $6,650 โ want to claim before contractors get booked?
Sewer backed up into your basement during the last big storm?
Insurance company asking if you have a backwater valve before renewing the water peril?
Old sump pump on its last legs, no battery backup, and worried about a power outage during a storm?
Live in a flood-zone neighbourhood (Etobicoke, Beaches, Riverdale, Leaside) and lost coverage after a claim?
Confused about the 80% subsidy paperwork and how to actually get reimbursed by the City?
Ready to get started?
Free estimate, no obligation. We respond within 1 hour.
What Our Clients Say
โCalled for an emergency plumbing issue on a weekend. They arrived within the hour and fixed everything perfectly. Professional, clean, and very fair pricing.โ
Anna P.
Brampton
โFixed our basement leak quickly and explained everything clearly. Fair pricing and no upselling. Will call again for sure.โ
Tom H.
Markham
โEmergency call on a Sunday โ they came within 45 minutes. Saved us from a major flood. Amazing response time!โ
Maria G.
Mississauga
Our Backwater Valve & Sump Pump Bundle Work
Professional backwater valve & sump pump bundle results from RenoHouse projects across the Toronto GTA.

Backwater Valve & Sump Pump Bundle
Toronto GTA

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Licensed & Insured
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๐งฎ Backwater Valve & Sump Pump Bundle โ Cost Estimator
GTA / Ontario โ 2025-2026 market pricing
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๐ What affects your price:
๐ก These are approximate ranges based on typical GTA/Ontario projects (2025-2026). Your actual cost may vary based on scope, materials, and site conditions. Contact us for a free, personalized estimate.
Frequently Asked Questions About Backwater Valve & Sump Pump Bundle
The City of Toronto raised the maximum to $6,650 effective May 2026 (up from $3,400). Per-device caps: backwater valve 80% up to $1,600 each (two devices allowed = $3,200), sump pump with battery backup 80% up to $2,250, plumbing assessment 80% up to $500. Eligible work retroactive to November 12, 2025. Toronto residential properties only. RenoHouse prepares all subsidy paperwork on your behalf.
Yes โ Toronto Plumbing Permit required, work performed under Toronto Plumbing Bylaw 681 (Sewers). Inspection by Toronto Building required. RenoHouse pulls the permit and coordinates inspection. The permit is also a subsidy requirement โ work without a permit is not reimbursable.
Bundle (one backwater valve + sump pump + battery backup + plumbing assessment) gross cost: $5,000โ$11,000. After full Toronto subsidy reimbursement: $3,000โ$6,500 net out-of-pocket. Pricing depends on basement-floor access (concrete coring difficulty), pit size, and discharge-line routing. Free on-site assessment quotes the exact number.
Homeowner pays the contractor in full at project completion. RenoHouse submits the application package (City form, itemized invoice, before/after photos, contractor declaration, permit number) to Toronto Water on the customer's behalf. The City reimburses the homeowner directly by cheque or direct deposit, currently 8โ14 weeks after submission. The subsidy is NOT a credit at signing.
Yes โ and the backwater valve alone is subsidy-eligible up to $1,600 per device. But for most Toronto homes the bundle is the correct answer: backwater valve handles sewer back-up, sump pump handles groundwater. Skipping the sump leaves groundwater unmanaged. We assess at the site visit and recommend the right scope.
Backwater valves: Mainline Backflow MLE-4F (full-port, removable flapper, MMCD-approved), Mainline MAR-3, IPEX, or Backwater Valve Inc. โ all CSA B181.1/B181.2 certified and Bylaw 681 compliant. Sump pumps: Liberty Pumps 257 (1/3 HP) or 287 (1/2 HP) cast iron, Zoeller M53 or M98 โ all with vertical float switches. Battery backup: Basement Watchdog BWE or Liberty SJ10 with 7-hour minimum runtime AGM batteries. We do not install plastic-housing pumps or tethered-float units in Toronto applications.
No โ illegal under Toronto Bylaw 681 and not subsidy-eligible. Sump pump must discharge to grade (lawn or garden), to a splash pad away from foundation, or to a separate storm-water connection. We route the discharge line during install โ typically through a foundation core to an exterior splash pad 2 m+ from foundation.
Typical bundle install: 1โ2 days. Day 1: backwater valve trench, concrete cut, pipe install, valve set. Day 2: sump pit excavation (if new pit needed), pump install, battery backup, discharge line, electrical connection (sump must be on a dedicated GFCI circuit per Toronto Plumbing Bylaw). Concrete patch cures 24โ48 hours before re-flooring. Inspection scheduled 2โ5 business days after final install.
Yes โ most Canadian insurers (Aviva, Intact, TD, Co-operators, RSA) offer water-damage premium discounts after backwater valve installation, typically 5โ15% off the water peril. The discount is in addition to the City subsidy. Provide your installer's permit number and inspection sign-off to your insurer to claim. We furnish all documentation.
Eligible work back to November 12, 2025 qualifies for the expanded $6,650 subsidy. Work completed before Nov 12, 2025 falls under the previous $3,400 program (still claimable if not previously submitted). Permit, paid invoice, and before/after photos are required regardless. Call us โ we audit retroactive eligibility on the phone.
We Serve All GTA
Professional backwater valve & sump pump bundle services available across the Greater Toronto Area.
โCalled at 10pm with a burst pipe. Their plumber arrived within the hour and had everything fixed before midnight. Absolute lifesavers.โ
โ David L., Scarborough
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