In 1996 Horwath earned a certificate of achievement in anti-racism training, and was an organizer of Hamilton's Days of Action campaign against provincial government cutbacks announced by Mike Harris. That year she received the Woman of the Year Award in Public Affairs from the Hamilton Status of Women Committee, in recognition of her work in the community. She also dedicated her time and efforts toward the field of social housing, and was subsequently awarded the Graham Emslie Award for Community Development in Housing by the Canadian Housing and Renewal Association.