We provide harm reduction based services in Alameda County and Contra Costa County. We serve people who are at increased risk for HIV| hepatitis c and other infectious diseases. Casa Segura Drop in Center Casa Segura provides basic needs services including showers, laundry service, food pantry and a safe environment for our community to get a rest from the streets. Free| drop in HIV and Hepatitis screening and general referral services are offered without a lengthy intake process.