Keystone Hall, formerly known as the Greater Nashua Council on Alcoholism, is a non-profit organization whose mission is to provide comprehensive substance use treatment and recovery services to individuals and families in a supportive environment while providing a strategic framework for substance use prevention in New Hampshire.
Keystone Hall is New Hampshire's premier substance use disorder treatment, prevention, and recovery support services center, offering both inpatient and outpatient services to men, women, families, and adolescents. Located in new state-of-the-art facility in Nashua, NH, Keystone Hall serves those with and without insurance, with a focus on serving those least able to afford treatment on their own. No one is turned away, regardless of ability to pay.
All treatment and services are gender-specific, trauma informed, and "open programs" with individuals able to start treatment as soon as space is available. All treatment is evidence-based.  Services are offered in both English and Spanish.

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Payment Assistance: Sliding fee scale (fee is based on income and other factors), Payment assistance (Check with facilit