Introducing Cornerstone Southern Maryland! Now serving Calvert, Charles and St. Mary's Counties. Learn More


Who We Are

Cornerstone Montgomery is an independent, nonsectarian, nonprofit 501(c)3 organization with the capacity to serve more than 2,500 adults and transition aged youth. We specialize in the provision of comprehensive, community- and evidence-based mental health and co-occurring mental health and substance use disorder treatments and interventions.


Bearers of hope, creating opportunities that help the people we serve have a meaningful life of their choosing.


Empowering people living with mental health and substance use disorders to thrive in their community through collaboration, treatment, education and advocacy.

Our Values

Cornerstone Montgomery envisions that each person we serve will have a meaningful life of their choosing. A stronger community requires that every member have the same opportunity to live, work and integrate successfully within it.

  • We care for and respect the people we serve with all of their diverse life experiences.
  • We serve as allies in their self-directed recovery process.
  • We offer an individualized continuum, of care including housing, day program, case management, crisis, employment and clinic services.
  • We implement effective, evidence-based services that recognize diversity equity and inclusion.
  • We provide expert knowledge of community based resources.
  • We value employers as partners in order to ensure that the people we serve find, get and keep jobs.
  • We collaborate with other providers as part of integrating health and wellness.
  • We lead a public advocacy program through educational activities, expert testimonials and government relations.

Our Story

Since a 2012 merger between St. Luke’s House (founded, 1971) and Threshold Services (founded, 1981), Cornerstone Montgomery’s focus has been to work with people throughout the behavioral health spectrum of acute crisis through long-term support.

Read More