Since 1949, The Arc Baltimore has been supporting people with developmental disabilities to lead fulfilling lives with a sense of belonging, purpose, and meaningful relationships. The Arc has approximately 650 full and part-time employees and provides services at people's homes, places of employment, day centers, and neighborhoods.

The Arc Baltimore is an indispensable resource, providing employment training and support, day and residential services, family support and education, treatment foster care, assistive technology services, respite care, public policy advocacy, and information and referrals.