Get Started
Services at ASCO are available to individuals 12 years of age or older who identify with concerns related to substance use and problem gambling. Our services are available to residents of York Region, North York, and South Simcoe.
Get StartedASCO Programs
ASCO's programs focus on you and your recovery. Using a holistic approach, we work with you to develop a support system and to create a personalized treatment plan based on your goals, needs and circumstances.
Our ProgramsRapid Access Addiction Medicine
Our RAAM clinics provide rapid access to quality care to individuals seeking help for their substance use concerns such as opioids, alcohol, cannabis and cocaine.
Find a RAAM Clinic Near YouASCO Unveils 2024-2027 Strategic Plan
The refreshed plan outlines priorities to develop our team, drive system leadership and advance clinical and operational excellence.
Engaging with the ASCO community was fundamental to the development of a refreshed Strategic Plan. Through a combination of focus groups, interviews, and surveys, ASCO engaged over 165 individuals, exploring what they believe ASCO should prioritize in the years ahead to enable sustainable success.

What’s New at ASCO
View All Latest NewsWhat We Do
For more than 40 years, Addiction Services Central Ontario (ASCO) has been a leading government funded treatment provider for substance use, problem gambling and mental illness.
We place clients at the centre of their treatment —exploring their short and long-term goals with a respectful and understanding approach that meets their needs.
Who We Help
For more than 40 years, Addiction Services Central Ontario (ASCO) has been a leading government funded treatment provider for substance use, problem gambling and mental illness.
We place clients at the centre of their treatment —exploring their short and long-term goals with a respectful and understanding approach that meets their needs.
Community Impact for 2020/21
More than 25,400 visits by clients in the last fiscal year.
We helped 373 people look for affordable housing.
300 individuals received counselling for problem gambling.
Get Involved
Help us support those who need us most. Your donation will help us to deliver and improve vital programs and services that support individuals in our community experiencing addiction concerns.
