Penn-Mar Human Services’ mission is to support people with intellectual and developmental disabilities (IDD) to live courageous lives full of self-determination, independence, and equity.

Founded in 1981, Penn-Mar serves nearly 2,000 adults with IDD each year through community living, day learning, customized employment, family and peer supports, and respite programs in Carroll and Baltimore counties in Maryland, and in southern York county in Pennsylvania.

Penn-Mar’s approach is innovative, person-centered, and successful, and through meaningful employment, community inclusion, and residential choice, the people Penn-Mar supports are empowered to live their best lives.

Live Courageously

Core Values


We hold ourselves accountable for our actions and interact in ways that are respectful, honest, fully transparent, and ethical.


We safely deliver remarkable supports and regularly exceed the expectations of our stakeholders.


We prioritize respect, teamwork, inclusivity, and shared goals.


We constantly strive to be progressive and innovative leaders in the human services field.


We value the people we support, their families, our team members, volunteers, and the community at large, with the goal of enriching every life we touch.