Tax Laws in Missouri.

Graduated rates from 2% to 4.70% (2025), with scheduled reductions tied to revenue triggers under 2022 tax reform. Standard deduction mirrors federal amounts.

4.225% state sales tax. Local jurisdictions may levy additional sales taxes, producing combined rates often 8–10% in metropolitan areas.

4.00% flat corporate income tax. Single-sales-factor apportionment for multistate corporations.

Kansas City and St. Louis (City) each impose a 1% earnings tax on residents and nonresidents working within the city. Voters approved continuation every 5 years.

Residential property assessed at 19% of market value, agricultural at 12%, commercial at 32%. Reassessed every 2 years.