| OFFICES | CONTACT NOS | |
| Mayor’s Office/ Information | 09190756742 | |
| Municipal Accounting Office | 550-8520 | |
| Municipal Engineering Office | 580-7685 | |
| Municipal Social Welfare & Devt. (MSWD) | 580-8100 | |
| Mun. Planning & Development Office | 580-7824 | |
| Mun. Civil Registrar | 09778359326/ 553-0019 | |
| Municipal Budget Office | 553-0022 | |
| Municipal Treasurer’s Office | 580-8340 | |
| Municipal Agriculture Office | 580-7710 | |
| Municipal Tourism Office | 09778359326/ 553-0019 | |
| Municipal Human Resource Office | 09062211671 | |
| Municipal Health Office | 09173041606 | |
| Sangguniang Bayan Office | 580-7916 | |
| Buenavista Water District | 580-7689 | |
| Philippine National Police-Buenavista | 580-5114 | |
| Bureau of Fire Protection | 580-7688 | |
| Buenavista Emergency Hospital | 580-7892 | |
| Commission on Election-Buenavista | 580-7678 | |
| Buenavista Cooperative Office | 580-7719 | |
| Buenavista Cooperative Store | 580-5648 | |
| Buenavista National High School | ||
| Guimaras State College | 580-8244 | |
| Buenavista Central School | 580-5623/8264 | |
| Rural Bank of Buenavista | 580-7664 | |
| Commission on Audit(COA) – Province | 580-7717 | |
| Office of the Governor | 581-2114/581-2057 | |
| DILG Office | 581-3237 | |
| DTI Guimaras / Mel Pait | 033-237-1663/500-7792/581-2119 | |
| GUIMELCO | 581-2919/033-237-1139 | |
| Provincial Treasurer | 033-237-1288 | |
| RTC Province of Guimaras | 583-1631 | |
| Bids and Awards Committee | 580-8545 |