| Office | Address | Contact Information |
| Office of the Human Resource Management Officer | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4106 |
| Office of the Municipal Mayor | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4091 |
| Office of the Municipal Agriculturist | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4209 |
| Office of the Municipal Planning and Development Coordinator | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4170 |
| Office of the Municipal Budget Officer | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4160 |
| Office of the Municipal Accountant | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4157 |
| Office of the Municipal Treasurer | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4092 |
| Office of the Municipal Health Officer | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4105 |
| Office of the Municipal Social Welfare and Development Officer | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4103 |
| Office of the Municipal Assessor | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4169 |
| Office of the Municipal Engineer | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4170 |
| Office of the Municipal Civil Registrar | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4440 |
| Office of the Sangguniang Bayan Secretary | J.C. Wagan Ave., Poblacion San Antonio, Quezon | 545-4090 |
