Inspect before recommending
Visible conditions, drainage paths and existing equipment guide the next step.
Straight answers and professional plumbing work for backwater valves, sump pumps, drains, sewer problems, water entry and municipal rebate documentation.
Municipal programs decide eligibility and payment. We explain the plumbing work, sequence and useful records without promising a rebate.
Choose a service or call with the symptoms. We can help determine whether the concern starts with the sewer, foundation drainage, surface water, equipment or a damaged pipe.
SEWER BACKUP PROTECTIONAssessment, installation, replacement, alarms and accessible service covers.
Backwater valve service →
GROUNDWATER MANAGEMENTSump pump systems, alarms, battery backup, repairs and replacement planning.
Sump pump service →
DRAINS & SEWERSCamera inspection, drain cleaning, repair options and private sewer-lateral work.
Drain and sewer service →
WATER ENTRYInterior drainage, foundation-wall membrane work and coordination around plumbing.
Waterproofing options →
DIAGNOSISEvidence-based inspection before deciding whether cleaning, repair or replacement is appropriate.
Camera inspection →
START HEREA practical review of the history, visible plumbing, drains, sump equipment and flood-protection options.
Assessment details →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.





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 →Visible conditions, drainage paths and existing equipment guide the next step.
We identify the work area, access requirements, limitations and useful documentation.
Where applicable, access covers, cleanouts and equipment remain reachable for future maintenance.
Clear explanations, respectful workmanship and useful project records matter as much as the plumbing itself.
The problem was explained clearly before any work started. We understood why the backwater valve was recommended and what access would be needed.
The crew was respectful of our finished basement, kept the work area organized and left us with clear photos and information.
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.
Customer names are withheld for privacy.
Tell us what you have noticed and we will help identify the most useful inspection or service step.
You should understand why work is being recommended before you decide what to do.
Call with the address, past flooding, visible water, drain symptoms or equipment concerns.
We review the plumbing, drainage and property conditions connected to the problem.
We explain priorities, suitable work and useful documentation in plain language.
Choose the municipality where the property is located so the process, eligible work and documentation are not mixed together.
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’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 ↗
Our local pages connect homeowners and property managers with the most relevant service, municipal program and nearby coverage information.
Toronto & MarkhamResidential and commercial service
The right answer depends on the property, plumbing layout and source of water.
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.
Yes. We provide assessment, drain and sewer inspection, sump-system, backwater-valve and flood-risk plumbing support for commercial and multi-residential properties.
No. The municipality decides eligibility, approval and payment. We help with the plumbing work and useful project documentation.
Call with the property address and a short description of what you are seeing. We will help determine the most useful next step.
Call now or start the short assessment form. The property fields open immediately.