Fairfax Library Foundation is a 501(c)(3) nonprofit charitable and educational organization providing supplementary support to the Fairfax County Public Library Nonprofit organization committed to providing supplementary support to Fairfax County Public Library. Fairfax Library Foundation is a 501(c)(3) nonprofit charitable and educational organization committed to providing supplementary support to the Fairfax County Public Library. The Foundation, while reinforcing the need for continued and increased public support for the Library, serves as a catalyst for attracting private funding from individuals, businesses, organizations and foundations to enhance library services for our community.