Last Updated: February 25, 2025

Government Assistance

Program availability and eligibility criteria can vary by region and may change over time. It's advisable to consult local government websites or housing authorities for the most current information and to explore additional incentives that may be available in your area. Some incentives require compliance with affordability, energy efficiency, or accessibility standards.

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Canada Greener Affordable Housing – Retrofit Funding

Low‑interest, repayable and forgivable loans for deep energy retrofits in multi‑unit residential buildings. Funding levels vary by project scope

Provided by:
CMHC

Low Cost Loan

Multigenerational Home Renovation Tax Credit

Up to $7,500 for constructing secondary suites designed for multigenerational living.

Provided by:
Federal Government

Tax Credit

Canada Secondary Suite Program

Up to $80,000 to finance the construction of a secondary suite.

Provided by:
Federal Government

Low Cost Loan

Canada Greener Homes Initiative

Up to $5,000 for energy-efficient retrofits (e.g. insulation, windows, doors, renewable energy systems).

Provided by:
Federal Government

Grant

GST/HST New Housing Rebate

A rebate on the Federal portion of the GST/HST paid for a newly built or substantially renovated home (including major home additions), or for purchasing from a builder.

Provided by:
Federal Government

Tax Rebate

Calgary - Secondary Suite Incentive Program

Funding up to $10,000 to build and register a secondary suite that is contained within the main property.

Provided by:
City of Calgary

Grant

Housing Acceleration Incentive Program

Grant of $35,000 for seven or more new eligible units and/or a 15-year forgivable loan of $25,000 per unit, capped at $2,500,000 per site, subject to funding and affordability criteria.

Provided by:
City of Hamilton, ON

Forgivable loan

Additional Dwelling Unit and Multi-Plex Housing Incentive Program

Rebate of up to $2,000 per building permit (excluding HST) and/or a 15-year forgivable loan of $25,000 per eligible unit, capped at $150,000 per site, for units meeting affordability criteria.

Provided by:
City of Hamilton, ON

Mix

Homeowner and Person with Disabilities Program

10‑year forgivable loan of up to $25,000 to help cover the cost of accessibility modifications in a primary residence.

Provided by:
City of Hamilton, ON

Forgivable loan

Ontario Renovates Secondary Suites Forgivable Loan Program (City of Hamilton)

Forgivable loans of up to $50,000 (plus an additional $5,000 grant for accessibility modifications) to finance the creation of secondary suites.

Provided by:
City of Hamilton, ON

Mix

Interior ARU Incentive

Up to 50% of the costs or a maximum of $30,000 for interior ARU (Additional Residential Unit) projects.

Provided by:
City of Kingston, ON

Forgivable loan

Detached ARU Incentive

Forgivable loans up to 50% of project costs or $40,000 (whichever is lower) for constructing detached accessory rental units (ARUs).

Provided by:
City of Kingston, ON

Forgivable loan

Accessibility ARU Grant

A $5,000 grant for (Additional Residential Unit) ARU projects incorporating specified accessibility modifications.

Provided by:
City of Kingston, ON

Grant

ARU Servicing Constraint Area Grant

A grant that offers up to 50% of construction costs or a maximum of $10,000 to upgrade existing half‑inch water services in designated constraint areas.

Provided by:
City of Kingston, ON

Grant

Rough-In Detached ARU Grant

A $5,000 grant for property owners who install essential “rough‑in” infrastructure (water, sewer, electrical) to facilitate a future detached ARU.

Provided by:
City of Kingston, ON

Grant

City of St. Catharines ADU Program

Covers up to 70% of ADU costs, capped at $40,000 for interior and $80,000 for exterior ADUs. Funds are released after project completion.

Provided by:
City of St. Catharines, ON

Grant

Laneway and Garden Suite Development Charges Deferral Program

Defers development charges for ancillary units like laneway houses and garden suites, collected only upon lot creation. No direct cash provided.

Provided by:
City of Toronto, ON

Deferral

Additional Dwelling Unit Incentive program

Forgivable loan of up to $25,000 or 75% of total project costs (whichever is less) for constructing an additional dwelling unit.

Provided by:
County of Lambton, ON

Forgivable loan

Kitimat: Secondary Suite Incentive Program

The program offers a tiered 5-year forgivable loan: up to $2,500 for standard suites, $5,000 for "Level 1 Affordable," and $7,500 for "Level 2 Affordable" rates, plus a $2,500 bonus for accessible designs.

Provided by:
District of Kitimat, BC

Forgivable loan

Niagara Renovates Program

Up to $25,000/ homeowner—with an additional grant portion of up to $3,500 for accessibility modifications—for secondary suite renovations. The loan is amortized equally over 15 years.

Provided by:
Niagara Regional Housing

Forgivable loan

Ontario Renovates Secondary Suite Program

Interest‑free, forgivable loan of up to $25,000 (with an additional $5,000 grant for accessibility modifications) for creating or legalizing secondary suites.

Provided by:
Ontario Renovates, Region of Waterloo

Forgivable loan

Ontario Renovates Program by Prince Edward-Lennox & Addington Social Services

Forgivable loans (up to an established cap per project) to assist with essential home repairs, accessibility modifications, or secondary suite creation.

Provided by:
Ontario’s Ministry of Municipal Affairs and Housing

Forgivable loan

Secondary Suite Incentive Program

Covers up to 50% of renovation costs (capped at $40,000) for building secondary suites.

Provided by:
Province of British Columbia

Forgivable loan

BC Builds Rental Supply Program

Provides low-cost construction loans and targeted grants (amounts vary) for rental housing projects, including multiplex and mixed-unit developments.

Provided by:
Province of British Columbia

Mix

Newfoundland & Labrador - Secondary Basement Suite Incentive Program

A five‑year forgivable loan of up to $40,000 for constructing secondary basement suites.

Provided by:
Province of Newfoundland & Labrador

Forgivable loan

Nova Scotia - Secondary and Backyard Suite Incentive Program

A forgivable loan of up to $40,000 over five years for developing secondary or backyard suites.

Provided by:
Province of Nova Scotia

Forgivable loan

County of Simcoe Second Suites Program

Up to $30,000 for constructing secondary or garden suites, with an extra $5,000 available as a grant for accessibility modifications.

Provided by:
Simcoe County, ON

Mix

Collingwood - Rapid ADU Grant

Up to $30,000 for net‑new accessory dwelling unit (ADU) construction.

Provided by:
Town of Collingwood

Grant

Financing Options