A California-sponsored, 18-month, tobacco-free intervention in residential substance use disorder (SUD) programs was associated with increases in tobacco-free grounds and tobacco-related client services. The current study examined whether positive results would be replicated in 11 programs participating subsequently. Program directors ( = 11) completed surveys of tobacco-related policies pre- and post-intervention. Pre- ( = 163) and post-intervention ( = 128) cross-sectional staff surveys examined tobacco-related training, beliefs, practices, smoking policy, and smoking status. Directors reported increases in tobacco-free grounds (from 3 to 8 programs), tobacco-related staff training (1 to 10 programs), tobacco cessation staff services (1 to 9 programs) and nicotine replacement therapy (NRT) provision (6 to 10 programs). At post-intervention, staff were more likely to report smoke-free workplaces ( = 0.008), positive beliefs about treating tobacco use ( = 0.017) and less likely to report current smoking ( = 0.003). Clinical staff were more likely to report tobacco-related training receipt ( = 0.001), program-level NRT provision ( = 0.009) and conducting tobacco-related client services ( < 0.0001) post-intervention. Findings of increases in tobacco-free grounds and tobacco cessation client services corroborated prior results. These and the additional finding of decreases in staff smoking strengthen evidence that initiatives supporting tobacco-free policies can be successfully implemented in SUD treatment.