History The Cinco Ranch Branch Library opened as a mini-branch, called Katy/Fort Bend Branch Library, in June 1998, in a small room on the University of Houstons Cinco Ranch campus. It was operated entirely by volunteers. Rapidly outgrowing its small space, the branch was moved in 1999 to the former sales office of the Cinco Ranch development company, as a result of efforts led by the Katy/Fort...