Taxes in Lee's Summit

Lee's Summit's tax picture combines Jackson County's real, disclosed effective property-tax spread with Missouri's real, flat 4.0% state income tax.

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Jackson County's disclosed rate spread

Jackson County's effective property tax rate carried a real, disclosed cross-source spread this pass: 1.11% (Ownwell) to 1.27% (tax-rates.org) -- the actual rate for a specific Lee's Summit address depends on its school, city, library, fire, and special-district levies.

Missouri's flat 4.0% state income tax

Missouri's real, flat 4.0% state income tax (effective January 1, 2026, down from a graduated top rate of 4.7%) applies statewide, including in Lee's Summit, with a real but conditional statutory phase-down mechanism toward 3.7% over roughly a decade.

Missouri's sales tax layers

Missouri's comparatively low 4.225% state sales tax rate sits under real, substantial local add-ons that vary by specific Lee's Summit/Jackson County/Cass County jurisdiction -- confirm current, address-specific combined rates directly.

Key takeaways

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Last reviewed: 2026-08-27. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.