---
type: "Bill"
title: "Revise laws to reduce property taxes while preserving the current 95 school equalization mills"
description: "Revise laws to reduce property taxes while preserving the current 95 school equalization mills"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 483"
citation: "Montana HB 483 (2025)"
classification: ["bill"]
subjects: ["Counties", "Education - K-12", "Education - School Finance", "Revenue", "State", "State Finance", "Taxation--Property"]
status: "enacted"
primary_sponsors: ["Courtenay Sprunger"]
version_count: 46
action_count: 49
vote_count: 7
first_action: "2024-12-13T20:55:36+00:00"
last_action: "2025-05-16T20:42:34+00:00"
source: "openstates"
source_identifier: "ocd-bill/8f02e5b2-221e-443f-8e96-65660e454ab7"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC3189?open_tab=sum"
source_hash: "91c3dd36f2e66493c2b69b5014d2f5f2ce4510191c07de60c267833e2de385da"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-mt"]
---

# Montana HB 483 (2025) — Revise laws to reduce property taxes while preserving the current 95 school equalization mills

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **HB0483.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301052)
2. **HB0483.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301051)
3. **HB0483_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282068)
4. **HB0483_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301698)
5. **HB0483_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301700)
6. **HB0483_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301701)
7. **HB0483_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301702)
8. **HB0483_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281739)
9. **HB0483_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301707)
10. **HB0483_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=305335)
11. **HB0483_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311846)
12. **HB0483_2(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=315075)
13. **HB0483_2(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=315076)
14. **HB0483_2(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=315078)
15. **HB0483_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301717)
16. **HB0483_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301718)
17. **HB0483_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301807)
18. **HB0483_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301809)
19. **HB0483_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301810)
20. **HB0483_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301811)
21. **HB0483_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301812)
22. **HB0483_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301813)
23. **HB0483_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=301703)
24. **HB0483_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=315085)
25. **HB0483_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323198)
26. **HB0483_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323199)
27. **HB0483_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323200)
28. **HB0483_X(13).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323316)
29. **HB0483_X(14).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323318)
30. **HB0483_X(15).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325084)
31. **HB0483_X(16).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325415)
32. **HB0483_X(17).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325416)
33. **HB0483_X(18).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326772)
34. **HB0483_X(19).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326999)
35. **HB0483_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317237)
36. **HB0483_X(20).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327000)
37. **HB0483_X(21).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327867)
38. **HB0483_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317759)
39. **HB0483_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317781)
40. **HB0483_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317784)
41. **HB0483_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317785)
42. **HB0483_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317805)
43. **HB0483_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317807)
44. **HB0483_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320894)
45. **HB0483_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=315079)
46. **LC3189.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=280350)

## Votes

- be_concurred_in — **6–2** (pass) · upper
- do_pass_as_amended — **22–1** (pass) · lower
- Do Concur — **49–1** (pass) · upper
- Do Pass — **90–10** (pass) · lower
- do_pass — **17–4** (pass) · lower
- Do Pass — **87–11** (pass) · lower
- Do Concur — **46–4** (pass) · upper

## Sponsors

- Courtenay Sprunger — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2024-12-13T20:55:36+00:00** (LC) Drafter Assigned
- **2024-12-13T20:55:36+00:00** (LC) Draft On Hold
- **2025-02-05T00:35:27+00:00** (LC) Draft Taken Off Hold
- **2025-02-05T19:55:16+00:00** (LC) Draft in Legal Review
- **2025-02-06T13:03:08+00:00** (LC) Draft in Edit
- **2025-02-08T00:44:17+00:00** (LC) Draft in Input/Proofing
- **2025-02-10T15:12:57+00:00** (LC) Draft in Final Drafter Review
- **2025-02-10T19:02:38+00:00** (LC) Draft in Assembly
- **2025-02-11T16:40:15+00:00** (LC) Draft Ready for Delivery
- **2025-02-11T19:56:09+00:00** (LC) Draft Delivered to Requester
- **2025-02-12T22:57:19+00:00** (H) Introduced
- **2025-02-12T22:58:36+00:00** (H) Fiscal Note Requested
- **2025-02-13T18:03:06+00:00** (H) Referred to Committee - (H) Taxation `referral-committee`
- **2025-02-13T19:41:47+00:00** (H) First Reading `reading-1`
- **2025-02-14T17:34:49+00:00** (H) Hearing - (H) Taxation
- **2025-02-27T16:42:28+00:00** (H) Fiscal Note Received `receipt`
- **2025-02-27T19:09:52+00:00** (H) Fiscal Note Signed
- **2025-02-27T23:26:18+00:00** (H) Fiscal Note Printed
- **2025-02-28T16:58:00+00:00** (H) Committee Executive Action--Bill Passed - (H) Taxation `committee-passage`
- **2025-02-28T20:44:00+00:00** (H) Committee Report--Bill Passed - (H) Taxation `committee-passage`
- **2025-03-01T22:24:00+00:00** (H) Rereferred to Committee - (H) Appropriations `referral-committee, referral-committee`
- **2025-03-01T22:54:13+00:00** (H) Hearing - (H) Appropriations
- **2025-03-31T16:17:17+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Appropriations `committee-passage`
- **2025-03-31T20:16:00+00:00** (H) Committee Report--Bill Passed as Amended - (H) Appropriations `committee-passage`
- **2025-04-01T01:29:56+00:00** (H) Revised Fiscal Note Requested
- **2025-04-03T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-04-04T00:16:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-04-05T14:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-04-05T14:43:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-04-05T15:46:19+00:00** (H) Transmitted to Senate
- **2025-04-07T19:13:37+00:00** (S) First Reading `reading-1`
- **2025-04-07T19:22:00+00:00** (S) Referred to Committee - (S) Taxation `referral-committee`
- **2025-04-09T20:19:00+00:00** (H) Revised Fiscal Note Received `receipt`
- **2025-04-09T23:19:30+00:00** (H) Revised Fiscal Note Signed
- **2025-04-11T14:20:52+00:00** (H) Revised Fiscal Note Printed
- **2025-04-13T00:58:40+00:00** (S) Hearing - (S) Taxation
- **2025-04-16T15:54:02+00:00** (S) Committee Executive Action--Bill Concurred - (S) Taxation
- **2025-04-16T20:27:00+00:00** (S) Committee Report--Bill Concurred - (S) Taxation
- **2025-04-18T15:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-18T17:39:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-22T18:30:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-22T20:22:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-22T20:22:51+00:00** (H) Sent to Enrolling
- **2025-04-25T16:09:29+00:00** (H) Returned from Enrolling
- **2025-05-01T19:00:49+00:00** (H) Signed by Speaker `passage`
- **2025-05-02T16:00:24+00:00** (S) Signed by President `passage`
- **2025-05-05T16:05:54+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-13T20:14:00+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-16T20:42:34+00:00** Chapter Number Assigned `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/8f02e5b2-221e-443f-8e96-65660e454ab7`. Confidence: reported (aggregated from official Montana legislature records).