The Alameda County Community Development Agency''s mission is to enhance the quality of life of Alameda County residents and plan for the future well-being of the County''s diverse communities; to balance the physical, economic and social needs of County residents through land use planning, environmental management, neighborhood improvement, and community development, and to promote and protect agriculture, the environment, economic vitality and human health.Â. NOTE: A Masterâs degree from an accredited college or university in city, regional or urban planning, public administration, public policy, real estate, economics, sociology, or a related field may be substituted for one year of the required non-supervisory experience.