Trenton, MO Sales Tax Rate
The combined sales tax rate in Trenton, Missouri is 8.35% (4.225% state, 1.5% county and 2.625% city). Calculate the sales tax on any purchase in Trenton. Rates effective October 2026.
- State tax
- 4.225%
- County tax (Grundy)
- 1.5%
- City tax (Trenton)
- 2.625%
- Special district tax
- 0%
- Combined rate
- 8.35%