Home / Greater Philadelphia Resource Guide / Catholic Social Services (CSS) / Catholic Social Services (CSS) Services: Education, Housing, Legal Aid, Mental Health, Recovery and Substance Use Populations Served: Homeless,Immigrants,Seniors,The Public Address: 222 N 17th Street 3rd FloorPhiladelphia, PA 19103 Phone: 215-587-3555 Email: cssphiladelphia@chs-adphila.org Website Directions Back to Resource Guide