Developmental Services

YSSN’s Developmental Services Program provides services for children, youth and adults, who have significant delays due to a developmental disability and/or a dual diagnosis, and their families.

Our services include: (click on titles to read more)

Case Management

Persons using our Case Management Services are helped by a case manager, who will work with them to find services to support identified goals.

Children’s Case Coordination (hosted by YSSN)

Children’s Case Coordination works together with other agencies to help children, youth and their families who have complex social, emotional, developmental, and/or physical needs.

Crisis Response Network

(affiliated with the Community Networks of Specialized Care –

The Crisis Response Network Coordinator (worker) helps adults, their families or caregivers, who are in crisis and want to sop the crisis from getting worse.

The program also helps people over the age of 16 who may be involved or at risk of being involved with the criminal justice system.

Developmental Services Ontario (DSO) Central East Region

The DSO has the responsibility for helping adults with developmental disabilities access services and supports in their communities. For those who live in the Central East Region, which includes the Regional Municipality of York, the Regional Municipality of Durham, Simcoe County, Peterborough County, Northumberland County, Haliburton County and the City of Kawartha Lakes, you can contact the DSO Central East Region, which is run by York Support Services Network.

Passport Funding

The goal of Passport is to improve the quality of participation in the community for adults with a developmental disability.


YSSN hosts two services for families:

To speak to someone and find out more about Developmental Services for Children, please call York Support Services Network Access Line at
905.898.3721 or 1.888.695.0070 ext 2574

To speak to someone and find out more about Developmental Services for Adults, please call Developmental Services Ontario Central East Region at
905.953.0796 or 1.855.277.2121

Go to to learn more.