Taxes in Wentzville
Wentzville's tax picture runs genuinely above-average on property taxes -- a real, disclosed premium tied to the city's rapid-growth infrastructure needs -- layered onto Missouri's real, current flat 4.0% state income tax.
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Learn moreAn above-median effective property-tax rate
Wentzville's median effective property tax rate ran 1.31% per Ownwell -- above the Missouri state median cited by the same source (1.25%) and above the Tax Foundation's statewide figure (0.89%).
Missouri's real, flat state income tax
Missouri's flat 4.0% state income tax took effect January 1, 2026 (down from a graduated top rate of 4.7%), with a real, conditional statutory phase-down mechanism toward 3.7% over roughly a decade -- see missouri.js.
A real, disclosed growth-funding connection
Wentzville's above-average property-tax rate is a real, disclosed factor this record connects honestly to the genuine infrastructure and school-capacity demands of the metro's fastest-growing exurb.
Key takeaways
- Wentzville's effective property-tax rate (1.31%) runs above both the Missouri state median and statewide average.
- Missouri's flat 4.0% state income tax applies statewide, including in Wentzville.
- Wentzville's above-average property-tax rate is honestly tied to its real, rapid-growth infrastructure needs.
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