ADU Programs by Municipality

Detailed guide to all 12 Niagara Region municipalities and their accessory dwelling unit programs, grants, and requirements.

About These Programs

All 12 Niagara Region municipalities have some form of ADU support, whether through dedicated grant programs or provincial initiatives like Bill 23 Development Charge exemptions. This page outlines the current status of each program as of January 2026. Always contact your municipality directly to verify current program availability and eligibility requirements before beginning your project.

Fort Erie

OPEN

Program: ADU Grant Program

Maximum Grant: Up to $20,000 (forgivable loan)

Contact: 905-871-1600 x2502 | forterie.ca

Program Details

Fort Erie offers a forgivable loan program designed to support the creation of new affordable rental units. This is one of the most active programs in the region and remains open for applications.

Eligibility Requirements

Application Process

  1. Contact Fort Erie Planning Department at the number above
  2. Obtain application materials and program guidelines
  3. Prepare architectural plans and building specifications
  4. Submit complete application package to Planning Department
  5. Attend pre-construction meeting with municipal staff
  6. Complete construction and obtain Certificate of Occupancy
  7. Demonstrate affordability compliance (rent levels, lease terms)
  8. Forgivable loan is forgiven upon successful completion and compliance verification

Bill 23 DC Exemption: In addition to the ADU grant, Fort Erie residents may also qualify for development charge exemptions under Ontario Bill 23.

St. Catharines

AT CAPACITY

Program: Housing Accelerator Fund (HAF) ADU Grant

Maximum Grant: Up to $80,000 (highest in region)

Contact: 905-688-5601 | stcatharines.ca

Program Details

St. Catharines' Housing Accelerator Fund grant program is exceptionally generous, offering the largest grant amount in the entire Niagara Region. However, the program is currently operating at capacity. Check back periodically for waitlist openings, or sign up for notifications from the city.

Currently At Capacity

This program is no longer accepting new applications at this time. However, capacity may open up. Contact the city to inquire about joining a waitlist or to receive notification when the program reopens.

Eligibility Requirements (When Open)

Waitlist Status

If interested in this program, contact St. Catharines Housing Department to discuss future availability and explore alternatives or other funding sources in the meantime.

Welland

OPEN

Program: Affordable Rental Community Improvement Plan (CIP)

Maximum Grant: Up to $20,000 per unit

Contact: 905-735-1700 x2251 | welland.ca

Program Details

Welland's CIP provides financial incentives for creating affordable rental housing through ADUs. The program covers both secondary suites in existing homes and new garden suites. This is an active program with consistent funding.

Eligible ADU Types

Eligibility Requirements

Application Process

  1. Contact Welland Housing/Planning Department
  2. Review CIP guidelines and application requirements
  3. Prepare detailed project plans and cost estimates
  4. Submit completed application with supporting documents
  5. Municipal review and approval process
  6. Complete construction and submit completion documentation
  7. Grant disbursement upon verification of compliance

Port Colborne

OPEN

Program: Comprehensive Community Improvement Plan (CIP)

Maximum Grant: Contact municipality for details

Contact: 905-835-2900 | portcolborne.ca

Program Details

Port Colborne offers multiple incentive programs under their comprehensive CIP framework, designed to support housing creation including ADUs. The program is active and welcomes inquiries.

Available Incentives

Next Steps

Contact Port Colborne Planning Department directly to discuss your specific ADU project and determine which incentives you may qualify for. The municipality will provide customized guidance based on your property location and project scope.

Bill 23 DC Exemption: In addition to CIP incentives, Port Colborne residents qualify for provincial development charge exemptions on ADU projects.

Niagara Falls

CHECK LOCALLY

Program: Bill 23 DC Exemption (Provincial)

Potential Savings: $20,000–$50,000+

Contact: 905-356-7521 x4330 | niagarafalls.ca

Program Details

Niagara Falls does not currently offer a dedicated municipal ADU grant program. However, residents have access to significant savings through Ontario's Bill 23, which exempts ADU projects from development charges. The city is actively promoting housing creation and has engaged building department staff to support ADU projects.

Bill 23 Development Charge Exemption

As Ontario's largest city in the Niagara Region, Niagara Falls is implementing development charge exemptions for ADU projects, which can save $20,000 to $50,000+ depending on unit type and location.

Zoning & Permitting

Next Steps

Contact Niagara Falls Planning/Building Department to discuss your specific property and ADU type. Inquire specifically about Bill 23 DC exemption application and current zoning for your property.

Additional Resources: Check with Niagara Region Housing for any broader regional initiatives that may apply to Niagara Falls residents.

Thorold

CHECK LOCALLY

Program: Bill 23 DC Exemption (Provincial)

Potential Savings: $20,000–$50,000+

Contact: 905-227-6613 | thorold.ca

Program Details

Thorold does not currently have a dedicated ADU grant program but fully supports ADU development through its zoning bylaws and the provincial Bill 23 development charge exemption. The municipality is working to streamline the ADU approval process.

Available Support

Eligible ADU Types

How to Proceed

Contact Thorold Building or Planning Department to discuss your ADU project, zoning compliance, and Bill 23 exemption eligibility. Request information about streamlined ADU approval timelines.

Lincoln

ON HOLD

Program: Community Improvement Plan (CIP) Incentives

Maximum Grant: TBD (Program On Hold)

Contact: 905-563-2799 | lincoln.ca

Program Status

Lincoln previously operated a CIP incentive program for housing creation, but it is currently on hold pending program evaluation and redesign. The municipality remains supportive of ADU development.

Program Temporarily Suspended

The CIP incentive program is not currently accepting applications. Contact the municipality periodically to inquire about program resumption timeline and interim support options.

Alternative Resources Available

Check Back Soon

Contact Lincoln Planning Department to stay informed about when their CIP program may resume. In the meantime, explore Bill 23 exemptions and provincial tax credits to help offset ADU costs.

Grimsby

CHECK LOCALLY

Program: Bill 23 DC Exemption (Provincial)

Potential Savings: $20,000–$50,000+

Contact: 905-945-9634 | grimsby.ca

Program Details

Grimsby does not maintain a dedicated municipal ADU grant program but supports ADU development through supportive zoning and the provincial Bill 23 development charge exemption. The municipality welcomes ADU projects that increase housing supply.

Development Support

Getting Started

Contact Grimsby Planning and Building Department to discuss your property zoning, ADU type feasibility, and Bill 23 exemption application process. Request information about estimated DC savings for your project.

Tip: Grimsby's zoning is generally permissive for ADUs in residential neighbourhoods; confirm specific requirements for your property early in planning.

Pelham

CHECK LOCALLY

Program: Bill 23 DC Exemption (Provincial)

Potential Savings: $20,000–$50,000+

Contact: 905-892-2607 x344 | pelham.ca

Program Details

Pelham does not currently offer a dedicated ADU grant program but is supportive of secondary suites and ADU development. The primary incentive available is the provincial Bill 23 development charge exemption, which can provide substantial cost savings.

Zoning Support

Contact Information

Reach out to Pelham Planning Department (ext. 344) to discuss your ADU project, confirm zoning eligibility, and learn about Bill 23 exemption application procedures. The municipality is responsive and supports housing diversity.

Wainfleet

CHECK LOCALLY

Program: Bill 23 DC Exemption (Provincial)

Potential Savings: $20,000–$50,000+

Contact: 905-899-3463 x221 | wainfleet.ca

Program Details

Wainfleet is a rural township without a dedicated ADU grant program. However, it supports housing creation and provides development charge exemptions under Bill 23. As a rural area, servicing and infrastructure considerations may apply.

Rural Considerations

Wainfleet is more rural than other Niagara municipalities. Confirm property servicing (water, sewer, septic systems) availability before starting your ADU project. Septic system ADU requirements may differ from urban areas.

Available Resources

Before You Start

Contact Wainfleet Building Department (ext. 221) to confirm your property can support an ADU. Discuss servicing requirements, septic system capacity, and zoning compliance. Inquire about Bill 23 exemption savings for your specific project.

West Lincoln

MARCH 2026

Program: Affordable Housing Community Improvement Plan (CIP)

Maximum Grant: TBD (Coming March 2026)

Contact: 905-957-3346 | westlincoln.ca

Program Details

West Lincoln is actively developing a new Affordable Housing CIP program that will provide grant support for ADU projects. The program is expected to launch in March 2026. This is an excellent opportunity to get in on the ground floor of a new initiative.

Exciting New Program Coming

West Lincoln is investing in housing affordability. If you're considering an ADU project in West Lincoln, planning ahead now will position you perfectly to apply when the program officially launches in March 2026.

Recommended Timeline

Get Ready

Reach out to West Lincoln today to stay informed. They may have preliminary information about program structure, maximum grant amounts, and eligibility requirements. Begin conceptual planning of your ADU project to be ready when the program launches.

Interim Support: West Lincoln residents already have access to Bill 23 development charge exemptions and provincial tax credits.

Niagara-on-the-Lake (NOTL)

CHECK LOCALLY

Program: Bill 23 DC Exemption (Provincial)

Potential Savings: $20,000–$50,000+

Contact: 905-468-3266 | notl.com

Program Details

Niagara-on-the-Lake does not offer a dedicated municipal ADU grant program. The municipality is focused on heritage preservation while supporting modest housing creation. NOTL residents have access to provincial Bill 23 development charge exemptions.

Heritage Considerations

NOTL has strict heritage protection guidelines due to its significant historical properties and downtown core. ADU projects, particularly in designated heritage areas, may require additional heritage impact assessments and approvals. Plan ahead for extended timelines.

Zoning & Approvals

Application Process

  1. Contact NOTL Planning Department to discuss your property
  2. Confirm zoning and heritage status of your property
  3. If in heritage zone, budget time for heritage impact review
  4. Prepare detailed plans compliant with local guidelines
  5. Submit applications for necessary approvals
  6. Coordinate with heritage committee if required
  7. Obtain Bill 23 DC exemption application when ready

Recommendation: If your property is in a heritage-designated area, hire an architect or heritage consultant experienced in NOTL heritage guidelines early in your planning process.

Programs Available to All 12 Municipalities

Provincial & National Support

In addition to municipal programs, all Niagara Region residents have access to significant financial support through provincial and national initiatives. These can dramatically improve your project's financial viability.

Bill 23 Development Charge Exemption (Ontario)

Availability: All 12 Niagara municipalities | Potential Savings: $20,000–$50,000+

Ontario's Bill 23 exempts secondary suites and accessory dwelling units from development charges. This exemption is available to all Niagara Region residents regardless of municipality.

Multigenerational Home Retrofit Tax Credit (MHRTC)

Availability: All Canada | Potential Savings: Up to $7,500

The federal Multigenerational Home Retrofit Tax Credit provides a 15% tax credit on eligible renovation and construction costs for creating or improving secondary suites.

CMHC Mortgage Refinancing (90% LTV)

Availability: All Canada | Benefit: Refinance up to 90% home value

Canada Mortgage and Housing Corporation allows refinancing for home renovation purposes, including ADU creation, at up to 90% loan-to-value (LTV). This is higher than typical refinance limits.

Canada Secondary Suite Loan Program (Coming 2026)

Availability: All Canada | Benefit: Up to $80,000 at 2% interest

The federal government is rolling out a new Secondary Suite Loan Program designed specifically to fund ADU creation. While details are still emerging, this represents unprecedented dedicated ADU financing.

Summary: Potential Total Support

A typical ADU project in the Niagara Region could benefit from multiple programs simultaneously:

Source Type Potential Benefit
Municipal Grant (where available) Grant/Forgivable Loan Up to $20,000–$80,000
Bill 23 DC Exemption Exemption $20,000–$50,000+ savings
MHRTC Tax Credit Tax Credit (15%) Up to $7,500
CMHC Refinance Financing Access to capital
Secondary Suite Loan Low-Interest Financing Up to $80,000 at 2%
TOTAL POTENTIAL $100,000–$200,000+ in support

Next Steps

Action Items for Your Municipality
  1. Confirm Your Municipality: Determine which of the 12 Niagara municipalities your property is in
  2. Check Local Program Status: Visit your municipality's website or call the contact number to verify current program availability
  3. Review Zoning: Confirm your property can support an ADU under local zoning bylaws
  4. Calculate Financial Support: Estimate potential grants, exemptions, and tax credits for your project
  5. Explore All Programs: Don't limit yourself to municipal grants—combine municipal, provincial, and federal programs
  6. Consult Professionals: Engage architect, accountant, and lawyer for project-specific guidance
  7. Stay Updated: Programs like West Lincoln and the federal Secondary Suite Loan are in development—stay informed as they launch

Key Resources