The library housed at the administration building from 1969 until 1983. Mrs. Demetria Balanay was the Junior Librarian from 1962-1977 and School Librarian from 1978 until her retirement.
On February 23, 1983, a new library building completed with a project cost of Php 1,750,000.00. It is funded by the USAID through CSSAC-AEOP Project under the administration of President Alvaro R. Rabina, the First President of the Camarines Sur State Agricultural College(CSSAC). The library has a total area of 528 square meters which strategically located at the heart of the main campus.
After the retirement of Mrs. Balanay, she was followed by Mrs. Adoracion Villareal wherein she continued to build the collection of the library in support of the various curricular offerings of then CSSAC. After the retirement of Mrs. Villareal, Mrs. Estelita E. Marquez succeeded the management of the CBSUA Main Library. During the time of Mrs. Marquez, she manages the process of accreditation in the Library for the various curricular programs of the College for the Accrediting Agency of Chartered Colleges and Universities in the Philippines (AACCUP).
On October 12, 2009 the former state college named Camarines Sur State Agricultural College (CSSAC) has gained its university hood through the power of RA 9717 under its new name, Central Bicol State University of Agriculture (CBSUA).
During the transition to the university status, the University Library has faced the challenge to contribute its share to sustain the university hood of the CBSUA. The University Library continuously strive to enhance its acquisition activities of printed resources in support to the various curricular offerings of the university, such printed resources are books, journals, magazines, newspapers, pamphlets, leaflets, and the like. Also, the university library acquires various audio-visual materials as additional reference materials of the clientele, which includes: DVD tapes, maps, globe, charts, posters, and the like.
On June 1, 2012, Dr. Rolando P. Oloteo was promoted to College Librarian III and designated as the Head of the University Library. His leadership supported by the staff composed of licensed librarians, bookbinder, administrative aides and student assistants.
In responding to the demands of times concerning library resources, the University Library is investing in e-resources, such as e-books, e-journals and other electronic-references both subscribed and open source. Furthermore, the University Library equipped with ICT infrastructure and equipment to sustain the utilization of the various e-resources and digitized resources.
In the quest for the efficiency of library service to clientele, the University Library employs an automation system for convenient uses of transactions in the library.