Markham Private Plumbing Protection Rebate Program

Markham’s Private Plumbing Protection Rebate Program offers financial support for qualified property owners who install eligible flood protection devices.

The deadline to obtain the building permit is April 30, 2027, and submit applications for rebate is July 31, 2027.

Eligible Projects & Rebate Amounts

Private Plumbing Protection Measure	Maximum Rebate
Backwater Valve (Indoor) — Installed on Sanitary Lateral	$1,750
Backwater Valve (Indoor) — Installed on Storm Lateral	$1,750
Backwater Valve (Outdoor) — Installed on Sanitary Lateral	$2,000
Backwater Valve (Outdoor) — Installed on Storm Lateral	$2,000
Weeping Tile — Disconnection from Sanitary Lateral and Redirect to Storm Lateral by gravity connection	$3,000
Weeping Tile — Disconnection from Sanitary Lateral and Sump Pump Installation	$5,000
Lateral Reline/Repair — Storm	$2,500
Lateral Reline/Repair — Sanitary	$2,500

Rebate Eligibility

New Installation Rebate: Property owners who plan to implement any of the above measures are eligible for a new installation rebate subject to obtaining necessary pre-approval, building permits and inspections from the City.
Retroactive Rebate: Property owners who completed installations between May 1, 2017, and May 1, 2018, are eligible for a retroactive rebate subject to City inspections.
The property must be in a known flood-prone area or demonstrate the existence of flood risk in the area.
The property is not subject to any contraventions, work orders or outstanding municipal requirements.
No outstanding municipal fines, tax payments, or fees.
The property owner has obtained approval of the work from the Environmental Services Department prior to installation.
The downspouts have been disconnected from the City’s sewer system.
The property owner provides the necessary documentation required in the application. forms, and complies with program requirements.
The property owner has obtained building permits for the new installation.
The new installation adheres to the Building Code Act, 1992, S.O. 1992, c. 23 and the Ontario Building Code O. Reg. 332/12, as amended or any successor thereof.
The property owner signs a release form in favour of the City.
The work is not required as part of other works in meeting Ontario Building Code requirements.

How to Apply

Retroactive Installation (measures implemented between May 1, 2017, and May 1, 2018)

Property owners confirm the eligible rebate amount for completed work.
Property owners must submit Retroactive Installation Application Package for review/approval to the program mailbox plumbingrebate@markham.ca.
City’s consultant inspects completed works and recommends any additional measures.
City issues a rebate to property owners.
Property owners must follow the process for new installation for additional measures.

New Installations

Property owners must determine the required work in consultation with a qualified contractor and confirm eligible work.
Property owners must fill out the New Installations Technical Review Application Form and submit it to City for review/approval to the program mailbox plumbingrebate@markham.ca.
After receiving the initial approval from the City, property owners must hire a licensed plumber to conduct a CCTV inspection of laterals and submit the inspection record to the City for review.
The City issues the Technical Review Approval Form, confirming that the proposed work may proceed or identifying any required changes to the work plan.
Property owners must submit their building permit application and upload the Technical Review Application Form and Technical Review Approval Form to the City’s building permit online application portal.
The Building Department issues the permit.
Property owners must hire a qualified contractor to complete the installation.
The Building Department inspects completed works.
Property owners must submit a Rebate Application Form, including invoices, to the Environmental Services Department. The City issues the rebate cheque to property owners.