Office of the Rector and President
- St. Dominic De Guzman Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 281
- Email: orp@ust-legazpi.edu.ph
- St. Thomas Aquinas Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 279
- Email: research@ust-legazpi.edu.ph
Office of Academic Affairs
- St. Dominic De Guzman Bldg
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 283
- Email: oaa@ust-legazpi.edu.ph
- Peñaranda Campus
- Trunklines: (052) 201-1514 / 736-0354 / 736-0356 (loc) 338
- Email: law@ust-legazpi.edu.ph
- Peñaranda Campus
- Trunklines: (052) 201-1514 / 736-0354 / 736-0356 (loc) 336
- Email: graduateschool@ust-legazpi.edu.ph
College of Business Management and Accountancy
- Peñaranda Campus
- Trunklines: (052) 201-1514 / 736-0354 / 736-0356 (loc) 333
- Email: cbma@ust-legazpi.edu.ph
College of Arts, Sciences, and Education
- St. Martin De Porres Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 265
- Email: case@ust-legazpi.edu.ph
College of Engineering, Architecture, and Fine Arts
- Fra. Angelico Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 240
- Email: ceafa@ust-legazpi.edu.ph
College of Health Sciences
- St. Martin De Porres Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 262
- Email: chs@ust-legazpi.edu.ph
- St. Thomas Aquinas Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 220
- Email: seniorhigh@ust-legazpi.edu.ph
- St. Albert the Great Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 235
- Email: juniorhigh@ust-legazpi.edu.ph
- St. Martin De Porres Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 274
- Email: preschoolandelementary@ust-legazpi.edu.ph
University Library and Information Services
- St. Dominic De Guzman Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 287
- Email: ulis@ust-legazpi.edu.ph
Office of Guidance and Testing
- St. Thomas Aquinas Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 217
- Email: ogt@ust-legazpi.edu.ph
Office of Student Services
- St. Thomas Aquinas Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 218
- Email: oss@ust-legazpi.edu.ph
Office of the University Registrar
- St. Thomas Aquinas Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 201
- Email: registrar@ust-legazpi.edu.ph
Laboratory and Instrumentation Department
- St. Martin De Porres Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 258
- Email: lis@ust-legazpi.edu.ph
Office of Religious Affairs
- St. Martin De Porres Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 270
- Email: ora@ust-legazpi.edu.ph
Center for Religious Education
- St. Martin De Porres Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 269
- Email: creed@ust-legazpi.edu.ph
Center for Community Involvement
- St. Martin De Porres Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 271
- Email: communityinvolvement@ust-legazpi.edu.ph
Center for Campus Ministry
- St. Martin De Porres Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 268
- Email: campusministry@ust-legazpi.edu.ph
Office of Administration and Finance
- St. Thomas Aquinas Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 213
- Email: ea.vpaf@ust-legazpi.edu.ph
Office of the University Controller
- St. Thomas Aquinas Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 210
- Email: controller@ust-legazpi.edu.ph
Office of Media, Alumni, and Public Affairs
- St. Dominic De Guzman Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 276
- Email: mapa@ust-legazpi.edu.ph
Office of Planning and Development
- St. Thomas Aquinas Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 221
- Email: opd@ust-legazpi.edu.ph
Financial Resources Management Office
- St. Thomas Aquinas Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 209
- Email: frmo@ust-legazpi.edu.ph
Center for Sports, Wellness, Culture and the Arts
- University Dome
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 238
- Email: cswca@ust-legazpi.edu.ph
Educational Technology Center
- St. Thomas Aquinas Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 200
- Email: etc@ust-legazpi.edu.ph
Physical Plant and Facilities Management Office
- St. Catherine of Siena Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 251
- Email: ppfmo@ust-legazpi.edu.ph
Human Resource Management Office
- St. Dominic De Guzman Bldg.
- Trunklines: (052) 736-0335 / 736-0358 / 736-0368 (loc) 285
- Email: hrmo@ust-legazpi.edu.ph