Canaan, CT—Mountainside has been accredited for a period of three years by CARF International for its outstanding addiction treatment programs and services. This accreditation reflects Mountainside’s long history of excellence and accordance with the highest levels of international quality standards.

In order to receive a Three-Year Accreditation, Mountainside underwent a rigorous peer review process, demonstrating to a team of surveyors during an on-site visit its commitment to offering programs and services that are measurable, accountable, and of the highest quality.

The CARF accreditation extends to the following programs:

  • Detoxification: Integrated: AOD / MH (Adults)
  • Detoxification: Opioid Treatment Program (Adults)
  • Intensive Outpatient Treatment: Integrated: AOD / MH (Adults)
  • Residential Treatment: Integrated: AOD / MH (Adults)

“Mountainside is pleased to receive accreditation from a premier health care accrediting body like CARF International,” said Stephen Langley, Mountainside’s Executive Director. “Team members from across the organization continue to work together to develop and implement best-in-class approaches and strategies that improve care for our clients.”

CARF is an independent, nonprofit accrediting body whose mission is to promote the quality, value, and optimal outcomes of services through a consultative accreditation process and continuous improvement services that center on enhancing the lives of the persons served. Founded in 1966 as the Commission on Accreditation of Rehabilitation Facilities, and now known as CARF International, the accrediting body establishes consumer-focused standards to help organizations measure and improve the quality of their programs and services. For more information about the accreditation process, please visit the CARF website at


Mountainside Treatment Center

Mountainside is nationally recognized for the effectiveness of its drug and alcohol addiction treatment programs. Our Integrative Care Model provides a comprehensive set of treatment and care offerings coordinated by a multidisciplinary treatment team to best fit the unique needs and interests of each client. We are lauded for our ability to partner with each client and the client’s family and healthcare professionals in developing and executing individualized treatment plans that promote long-term sobriety. Learn more about Mountainside at