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Missouri · 2026 Regular Session · Bill

HB 1800: Changes the percentage of the cap on the inflationary growth factor for the assessment growth of real or personal property occurring within a political subdivision, defines assessment value, and adds provisions related to the sales ratio studies performed by the State Tax Commission

Passed one chamber Official data

  1. Introduced
  2. In committee
  3. Passed one chamber
  4. Passed both chambers
  5. Enacted

Last official action: ·Record last updated:

Plain-language summary

HB 1800 is a bill introduced in the Missouri House on December 1, 2025. According to its official title, it concerns: Changes the percentage of the cap on the inflationary growth factor for the assessment growth of real or personal property occurring within a political subdivision, defines assessment value, and adds provisions related to the sales ratio studies performed by the State Tax Commission. Primary sponsor: Mark Matthiesen (Republican). Most recent recorded action (March 23, 2026): Second read and referred: Select Committee on Property Taxes and the State Tax Commission(S).

Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written

Sponsors

Sponsors by party (alphabetical): Republican 1

NameRolePartyChamberDistrict
Mark MatthiesenPrimary sponsorRepublicanHouse107

“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.

Recent official actions

  1. Second read and referred: Select Committee on Property Taxes and the State Tax Commission(S)
  2. Reported to the Senate and First Read (S)
  3. Third Read and Passed (H) - AYES: 82 NOES: 61 PRESENT: 2
  4. Taken Up for Third Reading (H)
  5. Reported Do Pass (H) - AYES: 5 NOES: 2 PRESENT: 0
  6. Voted Do Pass (H)
  7. Executive Session Completed (H)
  8. Referred: Fiscal Review(H)
  9. Perfected with Amendments (H) - HA 1, HA 2, adopted
  10. Title of Bill - Agreed To
  11. Taken Up for Perfection (H)
  12. Placed on the Informal Perfection Calendar (H)

Showing 12 most recent of 26 actions. Full history

Sources

  1. Open States / Plural (data from the official legislature website)
  2. Official legislature source