Mainstay Life Services Email Format

Non-profit OrganizationsPennsylvania, United States51-200 Employees

Mainstay Life Services is a mid-sized nonprofit based in Pittsburgh that provides residential supports for people with developmental disabilities and their families. It offers a range of living arrangements including 24-hour full-care homes, semi-independent living, various supported living models, lifesharing, host-home, and in-home care, alongside transportation, habilitation, therapies, and a summer camp program. The organization serves nearly 250 individuals across its housing options and emphasizes respect, dignity, and responsiveness to individual needs.

As a nonprofit operating in the Pennsylvania human services sector, Mainstay Life Services is supported by government funding from federal, state, and county levels, as well as foundation grants and private donations. In November 2025, the organization announced an official affiliation with Keystone Human Services, marking a notable recent development.

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