The Mission of the Warren County Board of Developmental Disabilities is supporting people with disabilities and their families to achieve what is important to them. At Warren County Board of Developmental Disabilities, we believe the future is now. The Warren County Board of Developmental Disabilities provides services and supports to more than 1,500 people in Warren County who have developmental disabilities. The mission of the board is supporting people with disabilities and their families to achieve what is important to them. The Board employs 179 people in full and part time positions.