The Tax Assessor-Collector is elected to a four-year term of office. In Jefferson County, the main duties of the Tax Assessor-Collector are as follows:
- Collect property tax for 29 taxing jurisdictions
- Collect Jefferson County Vehicle Inventory Tax
- Collect Jefferson County Hotel Occupancy Tax
- Collect Jefferson County Rendition Penalty
- Issue Tax Certificates
- Issue beer and wine licenses for Jefferson County
- Issue decals for coin operated machines
- Conduct Sheriff Sales for real and personal property in Jefferson County
- Issue certificates of title and motor vehicle registration for the Texas Department of Motor Vehicles (TXDMV)
- Serve as Voter Registrar for Jefferson County
- Issue voter registration applications and certificates
- Compile election precinct lists