Auditor's Office

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The Hamilton County Courthouse has resumed normal operations with the implementation of the following COVID-19 safety procedures:

  • All visitors will be required to wear a mask
  • All visitors must enter through the west entrance
  • Visitors may be subject to questioning from Sheriff's Deputies regarding recent travel and health history
  • Visitors are asked to maintain social distancing, which includes spacing markers on the floor when waiting in line for county offices
  • Offices may have restrictions of no more than one visitor inside the office at one time

Thank you for your patience and understanding as we try to navigate these unprecedented times.

Robin Mills
Hamilton County Auditor 




The Hamilton County Auditor's office is located in the Historic Courthouse, with offices in the basement and the 1st floor.

Filing Deductions


Property tax deductions can be filed online or in person at the Hamilton County Auditor’s Office.


Helpful Documents

  1. 2020 Hamilton County Certified Budget Order
  2. 2020 School Referendum Rates
  3. 2020 District Rates
  4. 2019 pay 2020 Certified Tax Rate Chart
  5. 2019 District Rates
  6. 2019 CB Hamilton County
  7. 2019 pay 2020 Certified Net Assessed Value
  8. 2018 pay 2019 Certified Tax Rate Chart
  9. 2018 pay 2019 Certified Net Assessed Value
  10. Hamilton Co TIF 2018 pay 2019
  11. Deduction Inquiry Form (PDF)
  12. Notice to Taxpayers (PDF)
  13. Subdivision Review Form and Instructions (PDF)
  14. IRS School Codes