An apartment at the new permanent supportive housing building operated by Clinical & Support Options, Inc. on Worthington Street. The property at 775 Worthington St., directly next door to CSO’s Friends of the Homeless shelter program, is permanent supportive housing. Despite operating 110 other permanent supportive housing units on Worthington Street, there is a waiting list for the new building. CSO President and CEO Karin Jeffers said CSO recently opened a similarly sized permanent supportive housing building in Greenfield. He described CSO’s permanent supportive housing as a “trampoline effect.