Resource
Markham stormwater resource hub
Local prevention, recovery, municipal and professional pathways.

Municipal programme
Rebates for eligible backwater valves, sump systems and lateral work
Verification status
The current extension lists an April 30, 2027 permit deadline and July 31, 2027 rebate-application deadline.
Open the official City of Markham pageCurrent programme summary
These summaries do not replace the official application, schedule, bylaw, permit or inspection requirements.
Who may qualify
Qualified Markham property owners who complete the City’s required technical review, approvals and inspections.
Markham’s programme is closely connected to technical review and private plumbing protection. The City warns residents that it does not send contractors to solicit installations and does not endorse callers claiming to represent the programme.

Application pathway
Pre-approval, CCTV information, permits and City inspection may be required before a rebate is issued.
Read the current official programme page and application.
Confirm property and applicant eligibility.
Obtain required assessment, pre-approval, permits and contractor qualifications.
Preserve invoices, photos, inspections and proof of payment.
Submit within the official deadline and retain the decision.

Related pathways
Resource
Local prevention, recovery, municipal and professional pathways.
Resource
Choose measures by water pathway, risk, feasibility and maintenance.
Resource
Understand the difference between funding eligibility and technical suitability.
Resource
Keep prevention programmes separate from event-specific recovery assistance.
Frequently asked questions
No. The municipality or region administers the programme and determines eligibility.
Not unless the current official programme clearly permits it. Many programmes require pre-approval, permits or pre-work inspection.
No. Payment depends on eligible costs, measure limits, inspections, available funding and the authority’s decision.
No. Funding eligibility and property-specific technical suitability are separate questions.
Before planning work
Programme status, amounts, eligible properties, pre-approval, permits, inspections and funding can change. Obtain written confirmation before incurring costs.
Published: July 19, 2026 Last reviewed: July 19, 2026
RSM is an independent education platform. It does not administer municipal rebates, approve funding, issue permits or endorse contractors.
Next steps
Confirm local details with the official municipality or authority before acting.