WAPI, a public/private funding collaborative led by The Community Foundation for the National Capital Region, aimed to build the capacity of immigrant-led and/or immigrant-serving organizations in the Washington, D.C., metropolitan area to better support their members and service recipients. Community Science was engaged by The Community Foundation to evaluate WAPI when it was conceived in 1998. We adjusted our evaluation every thereafter for five years as WAPI shifted its priority from promoting citizenship to increasing the accessibility of legal services to immigrants.