Non-profit providing inmate/post-release services for San Mateo County jails, residential substance use disorder treatment for women and transitional housing. Service League of San Mateo County "Restoring lives by providing compassionate, supportive services to individuals and families in our community." The Service League of San Mateo County is a non-profit agency that provides in-custody programming and services to inmates within the San Mateo County jails, as well as post-release services for those who are re-entering the community. We provide residential substance use disorder treatment for individuals who are pregnant or with infants and transitional housing for adults. For over 60 years, we have delivered compassionate services for tens of thousands of individuals and their families, with a focus on real solutions and personal growth.