Senior Services Etna Senior Center Etna Commons Additional Services Etna Senior Center 49 Locust St, Pittsburgh, PA 15223 Website facebook The Happening Place for Seniors - where is it? Right at the First Congregational Church on Walnut Street. This Center is sponsored by the County of Allegheny - Department of Aging and the Borough of Etna. Allegheny County provides free lunches daily as well as other administration guidance through the Northern Area Multi Services, and the Borough contributes monetarily...