Tax Information
Local Sales Tax
The local sales tax rate is 9.225%. The city portion is 2.75%, county is 2.0%, Warren County Emergency Services is 0.75% and state is 4.225%. There is an additional sales tax of 1% if the seller is located in the Warrenton Commons CID or Shoppes at Warrenton CID Districts.
Breakdown of City Tax Total
| Capital | 0.25% |
| Economic Development | 0.50% |
| Transportation | 0.50% |
| General | 1.00% |
| City Total | 2.25% |
Total Sales Tax Breakdown
| City Total | 2.25% |
| County | 2.00% |
| Warren County Emergency Services | 0.75% |
| State | 4.225% |
| Total Sales Tax (City + County + State) | 9.225%* |
| CID Additional Sales Tax | 1.00%* |
| Total Sales Tax for CID Area | 10.225%* |
*1.00% CID applies both Shoppes at Warrenton and Warrenton Commons.
Real Estate and Personal Property Taxes
Real Estate and Personal Property taxes for the city are collected by the Warren County Collector. These taxes are due December 31 of each year. For more information contact the Warren County Collector at 636-456-3330.
2026 Tax Rate (effective Sept. 1, 2026) upon real and personal property $.2686 on each $100.00 assessed valuation for general municipal purposes and $.1591 on each $100 of assessed valuation for establishment and maintenance of free public parks within the City.