---
type: "Bill"
title: "Revise municipal zoning laws"
description: "Revise municipal zoning laws"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "SB 407"
citation: "Montana SB 407 (2023)"
classification: ["bill"]
subjects: ["Cities and Towns (see also: Local Government)", "Housing", "Planning and Development"]
status: "enacted"
primary_sponsors: ["Shane Morigeau"]
version_count: 20
action_count: 63
vote_count: 14
first_action: "2022-11-29T22:22:48+00:00"
last_action: "2023-05-18T15:43:59+00:00"
source: "openstates"
source_identifier: "ocd-bill/4da85a43-d412-4751-8a89-bcbe39178eab"
source_url: "https://bills.legmt.gov/#/bill/20231/LC1707"
source_hash: "492b03ba4f5fc9ad9a6a0aa76ac102b48c2f74959cd6869e14b1791e749e5e87"
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 SB 407 (2023) — Revise municipal zoning laws

## Version chain

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

1. **SB0407.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8825)
2. **SB0407.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8826)
3. **SB0407.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8828)
4. **SB0407.002.002_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8827)
5. **SB0407.002.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8822)
6. **SB0407.003.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8824)
7. **SB0407.003.003(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=12204)
8. **SB0407.003.003.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=10417)
9. **SB0407.003.003_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8821)
10. **SB0407.003.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8823)
11. **SB0407001SCS17716.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8816)
12. **SB0407002SCS17716.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8814)
13. **SB0407002SCS19674.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8815)
14. **SB0407042623-CCH(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=12215)
15. **SB0407042623-CCH.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8848)
16. **SB0407_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8799)
17. **SB0407_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8798)
18. **SB0407_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8796)
19. **SB0407_4.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8797)
20. **SB0407_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=8795)

## Votes

- (S) Committee Executive Action--Bill Passed as Amended — **7–2** (pass) · upper
- (S) 3rd Reading Free Conference Committee Report Adopted — **44–6** (pass) · upper
- (H) 3rd Reading Free Conference Committee Report Adopted — **91–5** (pass) · lower
- (H) 2nd Reading Free Conference Committee Report Adopted — **91–9** (pass) · lower
- (S) 2nd Reading House Amendments Not Concurred — **49–1** (pass) · upper
- (S) Free Conference Committee Report Received — **6–0** (pass) · upper
- (S) 2nd Reading Passed — **46–4** (pass) · upper
- (H) 3rd Reading Concurred — **100–0** (pass) · lower
- (S) 3rd Reading Passed — **49–1** (pass) · upper
- (S) 2nd Reading Free Conference Committee Report Adopted — **45–5** (pass) · upper
- (H) Committee Executive Action--Bill Concurred as Amended — **15–1** (pass) · lower
- (H) 2nd Reading Concurred — **98–2** (pass) · lower
- (H) Free Conference Committee Report Received — **6–0** (pass) · lower
- (S) Tabled in Committee — **9–0** (pass) · upper

## Sponsors

- Shane Morigeau — primary (person)

## Timeline

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

- **2023-05-18T15:43:59+00:00** Chapter Number Assigned `became-law`
- **2023-05-17T16:34:00+00:00** (S) Signed by Governor `executive-signature`
- **2023-05-11T22:00:00+00:00** (S) Transmitted to Governor `executive-receipt`
- **2023-05-11T21:00:00+00:00** (H) Signed by Speaker `passage`
- **2023-05-10T17:30:00+00:00** (S) Signed by President `passage`
- **2023-05-08T21:30:48+00:00** (S) Returned from Enrolling
- **2023-05-05T16:09:00+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-05-02T22:23:23+00:00** (S) Sent to Enrolling
- **2023-05-02T21:36:00+00:00** (S) 3rd Reading Free Conference Committee Report Adopted
- **2023-05-02T20:11:00+00:00** (S) 2nd Reading Free Conference Committee Report Adopted `reading-2`
- **2023-05-02T18:26:00+00:00** (H) 3rd Reading Free Conference Committee Report Adopted
- **2023-05-02T17:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-05-02T14:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-05-01T20:59:00+00:00** (H) 2nd Reading Free Conference Committee Report Adopted `reading-2`
- **2023-05-01T20:30:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-04-26T21:00:02+00:00** (H) Free Conference Committee Report Received `receipt`
- **2023-04-26T21:00:01+00:00** (S) Free Conference Committee Report Received `receipt`
- **2023-04-26T21:00:00+00:00** (S) Hearing
- **2023-04-24T23:33:00+00:00** (H) Free Conference Committee Appointed
- **2023-04-20T22:06:00+00:00** (S) Free Conference Committee Appointed
- **2023-04-20T00:27:00+00:00** (S) 2nd Reading House Amendments Not Concurred `amendment-failure, reading-2`
- **2023-04-19T20:38:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-14T19:38:35+00:00** (H) Returned to Senate with Amendments
- **2023-04-13T22:22:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2023-04-12T17:17:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-05T21:40:32+00:00** (C) Printed - New Version Available
- **2023-04-05T19:24:00+00:00** (H) Committee Report--Bill Concurred as Amended
- **2023-04-04T21:00:00+00:00** (H) Committee Executive Action--Bill Concurred as Amended
- **2023-03-25T15:00:00+00:00** (H) Hearing
- **2023-03-23T18:04:44+00:00** (H) Hearing Canceled
- **2023-03-15T21:45:45+00:00** (H) First Reading `reading-1`
- **2023-03-15T21:08:02+00:00** (H) Referred to Committee `referral-committee`
- **2023-03-03T18:24:35+00:00** (S) Transmitted to House
- **2023-03-03T05:32:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2023-03-03T01:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-03-03T00:23:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2023-03-02T17:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-03-02T00:36:36+00:00** (C) Printed - New Version Available
- **2023-03-01T17:16:00+00:00** (S) Committee Report--Bill Passed as Amended `committee-passage`
- **2023-02-27T21:30:00+00:00** (S) Committee Executive Action--Bill Passed as Amended `committee-passage`
- **2023-02-27T21:00:00+00:00** (S) Taken from Table in Committee
- **2023-02-27T16:00:00+00:00** (S) Tabled in Committee `amendment-deferral`
- **2023-02-26T00:40:53+00:00** (C) Amendments Available
- **2023-02-24T15:00:00+00:00** (S) Hearing
- **2023-02-20T22:06:36+00:00** (S) Referred to Committee `referral-committee`
- **2023-02-20T20:11:00+00:00** (S) Sponsor List Modified
- **2023-02-20T20:10:00+00:00** (S) First Reading `reading-1`
- **2023-02-18T00:23:47+00:00** (C) Introduced Bill Text Available Electronically
- **2023-02-17T23:14:07+00:00** (S) Introduced
- **2023-02-17T21:54:27+00:00** (C) Draft Delivered to Requester
- **2023-02-17T19:46:59+00:00** (C) Draft Ready for Delivery
- **2023-02-17T15:29:47+00:00** (C) Executive Director Final Review
- **2023-02-17T15:29:43+00:00** (C) Draft Ready for Delivery
- **2023-02-17T12:29:44+00:00** (C) Draft in Assembly
- **2023-02-17T00:38:02+00:00** (C) Executive Director Review
- **2023-02-17T00:34:12+00:00** (C) Bill Draft Text Available Electronically
- **2023-02-17T00:34:11+00:00** (C) Draft in Final Drafter Review
- **2023-02-16T23:15:58+00:00** (C) Draft in Input/Proofing
- **2023-02-16T22:36:06+00:00** (C) Draft to Drafter - Edit Review
- **2023-02-14T22:48:09+00:00** (C) Draft in Edit
- **2023-02-14T19:40:20+00:00** (C) Draft in Legal Review
- **2023-02-14T15:07:10+00:00** (C) Draft to Requester for Review
- **2022-11-29T22:22:48+00:00** (C) Draft Request Received `receipt`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/4da85a43-d412-4751-8a89-bcbe39178eab`. Confidence: reported (aggregated from official Montana legislature records).