Residential Programs

A new home for Keystone Hall

Clients in various stages of recovery live on-site at Keystone Hall and receive individualized treatment focused on serving those with co-occurring mental health and substance use disorders, recovery support services and housing/basic needs through:

  • High Intensity (Short-term) Treatment Program
  • Low Intensity (Long-term) Treatment Program
  • Cynthia Day Family Center – a program designed to assist pregnant and parenting women and their children.

Please call 603-881-4848 to speak with us.


All residential services occur at 615 Amherst Street, Nashua, NH 03063.

  • AA/NA meetings
  • Case management
  • Clinically managed detoxification
  • Individual & group counseling
  • Evidence-based, gender-specific treatment
  • Access to on-site primary health care, through the Harbor Care Health and Wellness Center
  • Aftercare plans & recovery supports
  • Auricular acupuncture
  • Yoga


Individuals seeking services may be asked to fill out the below forms.

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Keystone Hall
615 Amherst Street, Nashua, NH 03063

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