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HB1800 • 2026

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

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

Taxes
Passed Legislature

This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.

Sponsor
Matthiesen, Mark (107)
Last action
2026-03-23
Official status
03/23/2026 - Second read and referred: Select Committee on Property Taxes and the State Tax Commission(S)
Effective date
2026-08-28

Plain English Breakdown

The plain English breakdown is still being put together. The official documents below are already here.

Amendments

These notes stay tied to the official amendment files and metadata from the legislature.

HA 2

4169H01.01H • Van Schoiack

Adopted

Plain English: Adopted 4169H01.01H by Van Schoiack

  • This amendment summary is using official source text because generated interpretation was skipped for this run.
  • The official amendment text was available, but an easy plain-English summary could not be produced automatically during the last sync.
HA 1

4169H01.02H • Van Schoiack

Adopted

Plain English: Adopted 4169H01.02H by Van Schoiack

  • This amendment summary is using official source text because generated interpretation was skipped for this run.
  • The official amendment text was available, but an easy plain-English summary could not be produced automatically during the last sync.

Bill History

  1. 2026-03-23 Missouri House of Representatives and Missouri Senate

    Second read and referred: Select Committee on Property Taxes and the State Tax Commission(S)

  2. 2026-03-09 Missouri House of Representatives and Missouri Senate

    Executive Session Completed (H)

  3. 2026-03-09 Missouri House of Representatives and Missouri Senate

    Voted Do Pass (H)

  4. 2026-03-09 Missouri House of Representatives and Missouri Senate

    Reported Do Pass (H) - AYES: 5 NOES: 2 PRESENT: 0

  5. 2026-03-09 Missouri House of Representatives and Missouri Senate

    Taken Up for Third Reading (H)

  6. 2026-03-09 Missouri House of Representatives and Missouri Senate

    Third Read and Passed (H) - AYES: 82 NOES: 61 PRESENT: 2

  7. 2026-03-09 Missouri House of Representatives and Missouri Senate

    Reported to the Senate and First Read (S)

  8. 2026-03-05 Missouri House of Representatives and Missouri Senate

    Referred: Fiscal Review(H)

  9. 2026-03-04 Missouri House of Representatives and Missouri Senate

    Taken Up for Perfection (H)

  10. 2026-03-04 Missouri House of Representatives and Missouri Senate

    Title of Bill - Agreed To

  11. 2026-03-04 Missouri House of Representatives and Missouri Senate

    Perfected with Amendments (H) - HA 1, HA 2, adopted

  12. 2026-03-02 Missouri House of Representatives and Missouri Senate

    Placed on the Informal Perfection Calendar (H)

  13. 2026-02-26 Missouri House of Representatives and Missouri Senate

    Placed Back on Formal Perfection Calendar (H)

  14. 2026-02-11 Missouri House of Representatives and Missouri Senate

    Placed on the Informal Perfection Calendar (H)

  15. 2026-02-09 Missouri House of Representatives and Missouri Senate

    Executive Session Completed (H)

  16. 2026-02-09 Missouri House of Representatives and Missouri Senate

    Voted Do Pass (H)

  17. 2026-02-09 Missouri House of Representatives and Missouri Senate

    Reported Do Pass (H) - AYES: 9 NOES: 3 PRESENT: 0

  18. 2026-01-29 Missouri House of Representatives and Missouri Senate

    Referred: Rules - Legislative(H)

  19. 2026-01-22 Missouri House of Representatives and Missouri Senate

    Executive Session Completed (H)

  20. 2026-01-22 Missouri House of Representatives and Missouri Senate

    Voted Do Pass (H)

  21. 2026-01-22 Missouri House of Representatives and Missouri Senate

    Reported Do Pass (H) - AYES: 6 NOES: 3 PRESENT: 0

  22. 2026-01-15 Missouri House of Representatives and Missouri Senate

    Public Hearing Completed (H)

  23. 2026-01-08 Missouri House of Representatives and Missouri Senate

    Read Second Time (H)

  24. 2026-01-08 Missouri House of Representatives and Missouri Senate

    Referred: Special Committee on Tax Reform(H)

  25. 2026-01-07 Missouri House of Representatives and Missouri Senate

    Read First Time (H)

  26. 2025-12-01 Missouri House of Representatives and Missouri Senate

    Prefiled (H)

Official Summary Text

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