- Office of the Municipal Mayor
- Office of the Municipal Mayor – Permits and Licensing Division
- Office of the Municipal Vice Mayor, Sangguniang Bayan and Secretary to the Sanggunian
- Municipal Human Resource Management and Development Office
- Municipal Planning and Development Office
- Municipal Treasurer’s Office
- Office of the Municipal Accountant
- Office of the Municipal Assessor
- Municipal Social Welfare and Development Office
- Office of the Municipal Engineer
- Office of the Municipal Budget Officer
- Office of the Municipal Civil Registrar
- Municipal Health Office
- Municipal Agriculture Office
- General Services Office
- Municipal Disaster Risk Reduction Management Office
- Trinidad Municipal College
