Assisted living is one of many options disabled and/or older adults and their families have following loss of physical or cognitive functions. It is an alternative to maintaining a residence without personal care services or one without interior modifications. Assisted living is an industry term that includes many forms of multi-unit housing and different levels of personal services.

Assisted living is part of a spectrum of long term care services that provides a combination of housing, personal services, and health care designed to respond to individuals who need help with normal daily activities in a way that promotes maximum independence. The services and activities provided or arranged for in assisted living residences generally include: 24-hour supervision; Three meals a day in a group dining room; and A range of services that promote the quality of life and independence of the individual, such as: Personal care services, (help with eating, bathing, dressing, etc.); Social services; Supervision and assistance for persons with Alzheimer's or other dementias and disabilities; Medication management, or assist(ance) with self-administration of medicine; Social and religious activities; Exercise and recreational activities; Arrangements for transportation; Laundry and linen service; and Housekeeping and maintenance. Unless units are part of a continuing care environment or 'life care' community, an assisted living facility does not offer health care services as part of its own operation and for safety reasons requires residents to be able to evacuate their personal living quarters in the event of an emergency.