Specifications include, but are not limited to: Evaluation of Racial Equity Impact of Policies to Address Housing Access among People with Substance Use Disorder in Boston ; Services offered vary by site and include, and include: • Program staffing and security • Provision of or connection to medical care, including primary care • Access to or active referral to medication for opioid use disorder (MOUD) • Access to or provision of other substance use support services (i.e., recovery coaching; counseling) • Access to or provision of mental health services • Housing navigation services • Development of transition plans for seamless move to permanent housing ; This RFP is soliciting an evaluator to conduct a rigorous evaluation of the racial equity impact of this housing policy on housing access for unhoused unsheltered individuals with SUD in Boston. Findings will be used to inform equitable programs and policies focused on providing safe and sustainable housing and critical support services for unsheltered residents of Boston experiencing SUD. The evaluation design should incorporate performance monitoring and improvement as well as systematic evaluation to determine the processes, outcomes, and impact of project activities.