This study explored the ways in which health social workers (HSW) address the social determinants of health (SDH) within their social work practice. Social workers (n = 54) employed at major hospitals across Toronto had many years of practice in health care (M = 11 years; SD = 10.32) and indicated that SDH were a top priority in their daily work; with 98% intentionally intervening with at least one and 91% attending to three or more. Health care services were most often addressed (92%), followed by housing (72%), disability (79%), income (72%), and employment security (70%). Few HSW were tackling racism, Aboriginal status, gender, or social exclusion in their daily practice.