---
type: "Bill"
title: "Revise condo and townhouse exemptions"
description: "Revise condo and townhouse exemptions"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "SB 331"
citation: "Montana SB 331 (2023)"
classification: ["bill"]
subjects: ["Housing", "Local Government (see also: City Subjects; County Subjects)"]
status: "enacted"
primary_sponsors: ["Greg Hertz"]
version_count: 9
action_count: 58
vote_count: 8
first_action: "2022-09-14T16:51:09+00:00"
last_action: "2023-05-04T18:48:34+00:00"
source: "openstates"
source_identifier: "ocd-bill/74d0e2a9-d753-409e-ab96-e685ff485f66"
source_url: "https://bills.legmt.gov/#/bill/20231/LC0313"
source_hash: "321757d7547e58707a7029191243484a95379b3d5d37d0e1259b16b15e62abea"
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 331 (2023) — Revise condo and townhouse exemptions

## Version chain

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

1. **SB0331.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=7430)
2. **SB0331.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=7431)
3. **SB0331.002.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=7429)
4. **SB0331.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=7432)
5. **SB0331001SCS15239.slc.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=7419)
6. **SB0331_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=7391)
7. **SB0331_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=7388)
8. **SB0331_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=7390)
9. **SB0331_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=7389)

## Votes

- (H) 3rd Reading Concurred — **93–5** (pass) · lower
- (S) 2nd Reading House Amendments Concurred — **48–2** (pass) · upper
- (S) Committee Executive Action--Bill Passed as Amended — **6–3** (pass) · upper
- (H) 2nd Reading Concurred — **96–4** (pass) · lower
- (S) 3rd Reading Passed — **34–16** (pass) · upper
- (S) 2nd Reading Passed — **36–14** (pass) · upper
- (H) Committee Executive Action--Bill Concurred as Amended — **16–0** (pass) · lower
- (S) 3rd Reading Passed as Amended by House — **41–8** (pass) · upper

## Sponsors

- Greg Hertz — primary (person)

## Timeline

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

- **2023-05-04T18:48:34+00:00** Chapter Number Assigned `became-law`
- **2023-05-04T16:17:00+00:00** (S) Signed by Governor `executive-signature`
- **2023-05-01T16:50:00+00:00** (S) Transmitted to Governor `executive-receipt`
- **2023-04-29T19:00:00+00:00** (H) Signed by Speaker `passage`
- **2023-04-27T15:00:00+00:00** (S) Signed by President `passage`
- **2023-04-24T19:34:18+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-04-24T19:34:17+00:00** (S) Returned from Enrolling
- **2023-04-20T13:07:05+00:00** (S) Sent to Enrolling
- **2023-04-19T21:40:00+00:00** (S) 3rd Reading Passed as Amended by House `passage, passage, reading-3, reading-3`
- **2023-04-19T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-04-19T00:46:00+00:00** (S) 2nd Reading House Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
- **2023-04-18T20:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-14T19:38:03+00:00** (H) Returned to Senate with Amendments
- **2023-04-13T22:12:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
- **2023-04-13T19:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-04-12T14:36:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-12T14:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-04-07T15:16:09+00:00** (C) Printed - New Version Available
- **2023-04-07T14:27:00+00:00** (H) Committee Report--Bill Concurred as Amended
- **2023-04-06T21:00:00+00:00** (H) Committee Executive Action--Bill Concurred as Amended
- **2023-04-04T21:00:00+00:00** (H) Hearing
- **2023-03-23T18:06:49+00:00** (H) Hearing Canceled
- **2023-03-15T21:45:16+00:00** (H) First Reading `reading-1`
- **2023-03-15T21:00:24+00:00** (H) Referred to Committee `referral-committee`
- **2023-03-03T18:17:48+00:00** (S) Transmitted to House
- **2023-03-02T15:47:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
- **2023-03-02T15:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-03-01T21:52:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
- **2023-03-01T17:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-02-28T18:10:54+00:00** (C) Printed - New Version Available
- **2023-02-24T23:48:00+00:00** (S) Committee Report--Bill Passed as Amended `committee-passage`
- **2023-02-23T19:00:00+00:00** (S) Committee Executive Action--Bill Passed as Amended `committee-passage`
- **2023-02-20T22:00:23+00:00** (S) Hearing
- **2023-02-20T03:50:51+00:00** (C) Amendments Available
- **2023-02-14T20:19:00+00:00** (S) First Reading `reading-1`
- **2023-02-14T18:05:54+00:00** (C) Introduced Bill Text Available Electronically
- **2023-02-14T16:15:28+00:00** (S) Referred to Committee `referral-committee`
- **2023-02-13T23:48:15+00:00** (S) Introduced
- **2023-02-13T22:27:54+00:00** (C) Draft Delivered to Requester
- **2023-02-13T18:17:02+00:00** (C) Draft Ready for Delivery
- **2023-02-13T16:17:03+00:00** (C) Executive Director Final Review
- **2023-02-13T16:16:59+00:00** (C) Draft Ready for Delivery
- **2023-02-13T16:03:46+00:00** (C) Executive Director Final Review
- **2023-02-13T16:03:41+00:00** (C) Draft Ready for Delivery
- **2023-02-13T12:45:54+00:00** (C) Draft in Assembly
- **2023-02-13T03:54:28+00:00** (C) Executive Director Review
- **2023-02-13T01:15:44+00:00** (C) Bill Draft Text Available Electronically
- **2023-02-13T01:15:43+00:00** (C) Draft in Final Drafter Review
- **2023-02-12T19:45:27+00:00** (C) Draft in Input/Proofing
- **2023-02-12T19:43:25+00:00** (C) Draft to Drafter - Edit Review
- **2023-02-10T18:13:29+00:00** (C) Draft in Edit
- **2023-02-10T15:42:54+00:00** (C) Draft in Legal Review
- **2023-02-09T23:57:05+00:00** (C) Draft to Requester for Review
- **2023-02-08T21:25:38+00:00** (C) Draft to Requester for Review
- **2023-02-07T16:59:51+00:00** (C) Draft to Requester for Review
- **2023-02-07T16:02:38+00:00** (C) Draft Taken Off Hold
- **2022-10-03T15:50:17+00:00** (C) Draft On Hold
- **2022-09-14T16:51:09+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/74d0e2a9-d753-409e-ab96-e685ff485f66`. Confidence: reported (aggregated from official Montana legislature records).