The Library of Mapúa Institute of Technology is divided into three major service functions- the Technical Services, the Public Services and the Electronic Resources & Information Services. It has also two branches namely: Architecture Library and Makati Library.

Technical Services
This service area is concerned with the acquisition, organization (classification, cataloging, etc.), preparation and preservation of materials. It consists of two sections: the acquisition section and the cataloging section, organization and maintenance section. Area is open from 8:00 AM - 6:00 PM.

Public Services
These functions are being supervised by the section head and are directly involved in serving library clientele through its two main units, namely:

• 2.1 Circulation
  It is located at the second floor of the West building. Library service is from 7:00AM – 6:00PM (Monday to Saturday), 8:00AM – 5:00PM (2 Sundays before finals). This service has the objective of supporting the instructional and research programs of the Institute.

• 2.2 Periodical
  It has 2 areas, one is located at the ground floor of the West building near the Medical-Dental Clinic of the Institute which houses back issues of periodical materials and serves as a reading area and at the ground floor North Bldg. near Graduate School . Library service is from 9:00AM - 6:00PM (Monday–Saturday). The section keeps a control record of the holdings of serial publications (magazines, journals, newspapers, etc.) received by the library, and answers questions about holdings of specific titles.

Electronic Resources and Information Services
ERIS is composed of the following units:

• Internet
  this section supports the speedy exchange of information and the instructional/research needs, of the academic community through the world wide web.

• Multimedia
  this section provides access to production-based IT (e.g. word processing) and information-based IT, which consists of CD-ROM files, VHS tapes, slides, etc. Value added services are also integrated in ERIS such as downloading, scanning and printing research outputs.

• Reference & Special Collection
  this section contains materials that provide quick and direct information (e.g. encyclopedias, dictionaries, almanacs, atlases, handbooks, etc.). It contains feasibility studies, Mapúa archives (lectures, examination papers, profiles of the past and present presidents, etc.) and books written by Filipino authors and/or about the Philippine society, people, culture, etc.

The ERIS section are located at the 2^nd Floor of SW bldg. Library service is from 7:00AM – 6:00PM .(Monday – Saturday)