Hempstead Child Care Service 30 W Columbia St ...is a not for profit organization and currently cares for more than 500 children and their families at its five centers in Nassau County, offering a wide range of programs for infants through school age children, including before and after school, holidays and a summer camp program. Hempstead NY Child Care Service Harbor Child Care Ctr www.harborchildcare.com nassau county child care nassau county summer camps nassau county child care nassau county summer camps Business Reviews Harbor Child Care Ctr Testimonials