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...