Welcome to the Sullivan County Treasurer's Website. We are happy to provide you with info about us. We would also like to provide you with info for payment of your Sullivan County taxes.
Sullivan Treasurer's Office
Our business hours are Monday - Friday 8am-4pm
|County Courthouse map||Phone List|
100 Courthouse square
Sullivan, IN 47882-0370
| (812) 268-6410
- Jan. 1st New Years Day
- Jan. 19th Martin Luther King Jr. Day
- April 10th Good Friday
- May 25th Memorial Day
- July 3rd Independence Day
- Sept. 7th Labor Day
- Oct. 12th Columbus Day
- Nov. 11th Veterans Day
- Nov. 26th-25th Thanksgiving
- Dec. 24th-26th Christmas
Sullivan County Auditor
Call the County Auditor for any address changes.
Exemptions are available for Homestead, Mortgage, Disability, Veterans, And Not for Profit. If applicable, exemptions can be applied for by calling the Auditors Office at 812-268-4491.
Sullivan County Assessor
For any changes to Real Estate, Personal Property, or Mobile Homes contact the Assessor at 812-268-5110.
For information on your assessment click here.