Down Syndrome Services in Ontario
A genetic condition caused by the presence of an extra chromosome 21, associated with intellectual disability, characteristic facial features, and potential health complications.
Down Syndrome Organizations
Canadian Down Syndrome Society
Collingwood, ON
Registered Canadian charity providing disability-related services. CRA Registration: 118830751RR0001
Down Syndrome Assn
Ottawa, ON
Nonprofit organization supporting individuals and families affected by Down syndrome in Ottawa, Ontario. Provides support services, resources.
Down Syndrome Assn-Brantford
St George, ON
Nonprofit organization supporting individuals and families affected by Down syndrome in St George, Ontario. Provides support services, resources.
Down Syndrome Association - National Capital Region
Ottawa, ON
Registered Canadian charity providing disability-related services in OTTAWA. CRA Registration: 133362806RR0001.
Down Syndrome Association Of Brantford And District
St. George, ON
Registered Canadian charity providing disability-related services. CRA Registration: 871884094RR0001
Down Syndrome Association Of Lambton County
Pt Edward, ON
Registered Canadian charity providing disability-related services. CRA Registration: 889686341RR0001
Down Syndrome Association Of Peterborough
Peterborough, ON
Registered Canadian charity providing disability-related services. CRA Registration: 861495547RR0001
Down Syndrome Association Of Sudbury
Sudbury, ON
Registered Canadian charity providing disability-related services. CRA Registration: 889565370RR0001
Down Syndrome Association Of Toronto
Toronto, ON
Registered Canadian charity providing disability-related services. CRA Registration: 118887942RR0001
Down Syndrome Association of Hamilton
Hamilton, ON
Local association supporting families and individuals with Down syndrome in the Hamilton region.
Down Syndrome Association of Kingston
Kingston, ON
Registered Canadian charity providing disability-related services. CRA Registration: 840192538RR0001
Down Syndrome Association of Ontario
Brampton, ON
Registered Canadian charity providing disability-related services. CRA Registration: 886048792RR0001
Down Syndrome Association of Ontario (DSAO)
Toronto, ON
The federation of local Down syndrome associations across Ontario, providing coordination, resources, and advocacy for individuals with Down syndrome and their families.
Down Syndrome Association of Ottawa
Ottawa, ON
Community support and resources for individuals with Down syndrome and their families in the Ottawa area.
Down Syndrome Association of Peel
Brampton, ON
Registered Canadian charity providing disability-related services. CRA Registration: 891055170RR0001
Down Syndrome Association of Sault Ste. Marie
Sault Ste. Marie, ON
Local support group for families of individuals with Down syndrome in the Sault Ste. Marie area.
Down Syndrome Association of Simcoe County
Barrie, ON
Registered Canadian charity providing disability-related services. CRA Registration: 889238267RR0001
Down Syndrome Association of Toronto
Toronto, ON
Supporting individuals with Down syndrome and their families in the Greater Toronto Area through programs, resources, and advocacy.
Down Syndrome Associaton - National Capital Region Association Syndrome Down - Region De La Capitale Nationale
Ottawa, ON
Registered Canadian charity providing disability-related services. CRA Registration: 133362806RR0001
Down Syndrome Family Support Association OF Canada
Scarborough, ON
Registered Canadian charity providing disability-related services in SCARBOROUGH. CRA Registration: 868238361RR0001.
Down Syndrome Foundation Canada
Toronto, ON
Registered Canadian charity providing disability-related services. CRA Registration: 793310418RR0001
Down Syndrome Niagara
St Catharines, ON
Registered Canadian charity providing disability-related services. CRA Registration: 133712471RR0001
Durham Down Syndrome Association
Whitby, ON
Nonprofit organization supporting individuals and families affected by Down syndrome in Whitby, Ontario. Provides advocacy, support groups, resources.
Halton Down Syndrome Association
Burlington, ON
Registered Canadian charity providing disability-related services. CRA Registration: 118951243RR0001
London Down Syndrome Association
London, ON
Registered Canadian charity providing disability-related services. CRA Registration: 866942493RR0001
Nipissing Down Syndrome Society
North Bay, ON
Registered Canadian charity providing disability-related services. CRA Registration: 139138465RR0001
Ottawa ABA Academy, Autism,ADHD,Down Syndrome
Kanata, ON
Nonprofit organization supporting individuals and families affected by autism spectrum disorder, Down syndrome and ADHD in Kanata, Ontario. Provides support services, resources.
PROJECT 321 PEEL DOWN SYNDROME ASSOCIATION
Brampton, ON
Registered Canadian charity providing disability-related services. CRA Registration: 725839690RR0001
SAULT STE. MARIE DOWN SYNDROME SOCIETY
Sault Ste Marie, ON
Registered Canadian charity providing disability-related services. CRA Registration: 871156808RR0001
The Down Syndrome Association Of Hamilton
Hamilton, ON
Registered Canadian charity providing disability-related services. CRA Registration: 119230225RR0001
The Down Syndrome Association Of York Region
Richmond Hill, ON
Registered Canadian charity providing disability-related services. CRA Registration: 891560971RR0001
The Windsor-Essex Down Syndrome Association
Windsor, ON
Registered Canadian charity providing disability-related services. CRA Registration: 892823162RR0001
Up About Down Windsor-Essex Down Syndrome Association
Windsor, ON
Nonprofit organization supporting individuals and families affected by Down syndrome in Windsor, Ontario. Provides advocacy, support groups, resources.
Waterloo Wellington Down Syndrome Society
Waterloo, ON
Registered Canadian charity providing disability-related services. CRA Registration: 891981441RR0001
Related Programs & Benefits
A provincial program providing monthly payments to help with the extra costs of caring for a child with a severe disability. Rate increased 2.8% in July 2025. Also covers assistive device assessments and device consumer contributions. CDB is exempted from ACSD calculations.
A new federal benefit providing $200/month for persons aged 18-64 with low income who have Disability Tax Credit approval. First month of eligibility was June 2025 with payments starting July 2025. Back payments available up to 24 months from application date. Most provinces have exempted the CDB from provincial benefit calculations, but Alberta claws back CDB from AISH recipients dollar-for-dollar.
A monthly taxable benefit for people who have contributed to the Canada Pension Plan and are unable to work due to a severe and prolonged disability. Includes a children's benefit of $301.77/month per child. Quebec residents apply through the Quebec Pension Plan (QPP) instead.
A federal autism strategy developed in collaboration with the autistic community, families, service providers, researchers, and provincial/territorial governments. AIDE Canada (Autism & Intellectual Disabilities Knowledge Exchange Network) is funded by the Public Health Agency of Canada as part of this strategy, providing online resources, an inventory of services, and 6 in-person locations across Canada.
A federal dental care plan administered through Sun Life, available to eligible Canadians including those with Disability Tax Credit qualification. Covers essential oral health services including preventive care, restorative services, and other dental treatments.
An ESDC-funded program where nonprofits provide one-on-one navigation support to help people with disabilities find and apply for benefits they are entitled to, including DTC, CDB, RDSP, CPP-D, and provincial benefits. Organizations are funded across all provinces and territories to provide free assistance.
A non-refundable tax credit for individuals with a severe and prolonged impairment in physical or mental functions. The DTC is the gateway to other federal benefits including the Canada Disability Benefit, RDSP, and Child Disability Benefit. Can transfer unused portion to a supporting family member for a refund of up to approximately $1,400.
Ontario's program for children and youth with an Autism Spectrum Disorder diagnosis. Registered through AccessOAP. Currently under an interim funding model with the government working toward a needs-based model using a Determination of Needs process (4-hour virtual interview). Services include ABA, occupational therapy, speech-language pathology, and mental health supports. Waitlists are significant, and families report costs of $26,000-$130,000/year for autism supports.
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