HomeownersCommercial propertiesServing Toronto & Markham416-710-0905info@basementflooding.ca
TORONTO & MARKHAM PLUMBING

Plumbing help that protects your home from basement flooding.

Straight answers and professional plumbing work for backwater valves, sump pumps, drains, sewer problems, water entry and municipal rebate documentation.

  • Licensed & insured
  • Toronto & Markham
  • Residential & commercial
  • Clear written scope

Municipal programs decide eligibility and payment. We explain the plumbing work, sequence and useful records without promising a rebate.

Ouellette plumber explaining basement flood-protection and rebate paperwork to homeowners
Start with a clear assessment.We review the property, explain the likely source of risk and discuss practical next steps.
Active flooding, sewage or an urgent drain problem?Call rather than waiting for an online reply.
Call 416-710-0905
Licensed & insuredProfessional plumbing service Local serviceToronto and Markham properties Real project experienceSee installation photographs below Clear next stepsScope explained before major work
EXAMPLES OF OUR WORK

Real installations. Visible workmanship.

Project photographs help homeowners understand what the work can look like before, during and after installation. Every property is different, so the final scope depends on site conditions and assessment.

View the full project gallery
Basement floor opened for a backwater valve installation
Backwater valve installationFloor opening, valve placement and service access.
Finished backwater valve access cover set into new concrete
Finished access coverAccessible for future inspection and maintenance.
Interior drainage membrane being secured at the basement wall and floor edge
Interior drainage membraneDetailed installation at the wall-to-floor transition.
Basement sump pump system with sealed cover and discharge pipe
Sump pump systemServiceable basin, piping and equipment connections.
Exterior sewer access and cleanout pipes installed beside a home
Exterior sewer accessCleanouts positioned for inspection and maintenance.
WHY HOMEOWNERS CALL US

A standard plumbing company approach—clear, local and practical.

We do not begin with a one-size-fits-all product. We begin with the symptoms, the plumbing layout and the property history, then explain what each recommended measure can and cannot address.

About Ouellette Plumbing & Drains →
01

Inspect before recommending

Visible conditions, drainage paths and existing equipment guide the next step.

02

Explain the scope

We identify the work area, access requirements, limitations and useful documentation.

03

Keep systems serviceable

Where applicable, access covers, cleanouts and equipment remain reachable for future maintenance.

CUSTOMER REVIEWS

What homeowners say about working with us.

Clear explanations, respectful workmanship and useful project records matter as much as the plumbing itself.

See our service standards

The problem was explained clearly before any work started. We understood why the backwater valve was recommended and what access would be needed.

Toronto homeownerBackwater-valve consultation

The crew was respectful of our finished basement, kept the work area organized and left us with clear photos and information.

North York homeownerBasement flood-protection work

We had questions about the Toronto rebate and sump-pump options. The steps were explained without pressure, and the paperwork was much easier to follow.

Toronto homeownerSump-pump and rebate guidance

Customer names are withheld for privacy.

FAST RESPONSE OPTIONS

Talk to a Toronto plumbing specialist.

Tell us what you have noticed and we will help identify the most useful inspection or service step.

  • Toronto residential service
  • Licensed and insured plumbing help
  • Clear scope before major work
  • Postal code captured for service-area confirmation
REQUEST A CALLBACK

We will call you back.

416-710-0905

Four quick fields. Active sewage or flooding should be handled by phone.

Used to confirm the service area and measure response by area.
Usually reviewed during business hours.

Active flooding or sewage? Call 416-710-0905 instead of waiting.

Regional Stormwater Management backwater valve training badge
TRAINING & QUALIFICATIONS

Training that supports better flood-protection work.

Our team has completed flood-protection training through Regional Stormwater Management, including backwater-valve and flood-protection technician coursework.

A SIMPLE PROCESS

Listen. Assess. Explain.

You should understand why work is being recommended before you decide what to do.

1

Tell us what is happening

Call with the address, past flooding, visible water, drain symptoms or equipment concerns.

2

We assess the relevant conditions

We review the plumbing, drainage and property conditions connected to the problem.

3

You receive clear next steps

We explain priorities, suitable work and useful documentation in plain language.

MUNICIPAL PROGRAM GUIDANCE

Toronto and Markham use different programs.

Choose the municipality where the property is located so the process, eligible work and documentation are not mixed together.

Toronto

Up to $6,650 for eligible Toronto measures.

Toronto’s expanded program includes a plumbing assessment, up to two backwater valves, a sump pump, battery backup and foundation-drain severance, subject to current conditions.

Toronto subsidy guidance →
Markham

Pre-approval and the correct Markham sequence matter.

Markham’s program may cover backwater valves, weeping-tile disconnection and eligible private-lateral work, subject to municipal eligibility, permits and inspections.

Markham rebate guidance →

Municipal programs determine eligibility, approval and payment. Confirm current program requirements before relying on an amount or starting eligible work.

Program information checked July 23, 2026. City of Toronto ↗ City of Markham ↗

LOCAL SERVICE

Serving Toronto and Markham properties.

Our local pages connect homeowners and property managers with the most relevant service, municipal program and nearby coverage information.

North YorkScarboroughEtobicokeEast YorkYorkMarkhamUnionvilleThornhill
View all service areas
Ouellette Plumbing team providing local service at a Toronto home Toronto & MarkhamResidential and commercial service
COMMON QUESTIONS

Clear answers before you commit to work.

The right answer depends on the property, plumbing layout and source of water.

Do I need a sump pump, a backwater valve, or both?

They address different risks. A sump pump generally manages groundwater or foundation drainage. A backwater valve helps prevent sewer water from flowing backward into private plumbing.

Do you work on commercial properties?

Yes. We provide assessment, drain and sewer inspection, sump-system, backwater-valve and flood-risk plumbing support for commercial and multi-residential properties.

Can you guarantee a municipal rebate?

No. The municipality decides eligibility, approval and payment. We help with the plumbing work and useful project documentation.

What should I do first?

Call with the property address and a short description of what you are seeing. We will help determine the most useful next step.

Published by BasementFlooding.ca / Ouellette Plumbing & Drains. Updated July 24, 2026.Final recommendations depend on the property, existing plumbing and an appropriate assessment.Our content standards →
TALK TO A REAL PERSON

Tell us what is happening.

Call now or start the short assessment form. The property fields open immediately.

Call 416-710-0905Book assessment