---
type: "Bill"
title: "Senior Primary Residence Prop Tax Reduction"
description: "For property tax years commencing on or after January 1, 2025, the act creates a new subclass of residential real property called qualified-senior primary residence real property, which includes residential real property that as of the assessment date is used as the primary residence of an owner-occupier, as defined in the act, if:"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2024A"
identifier: "SB 24-111"
citation: "Colorado SB 24-111 (2024A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Chris Hansen", "Chris Kolker", "Mary Young", "Sheila Lieder"]
version_count: 11
action_count: 15
vote_count: 4
first_action: "2024-02-05T07:00:00+00:00"
last_action: "2024-05-14T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/eaf81570-4dbc-4a49-a80b-8783885526a2"
source_url: "https://leg.colorado.gov/bills/sb24-111"
source_hash: "e10af5e0fe2c98dd823fc8ceb7fdf660dde78d0395c1d4bc979f5b05f0dce20a"
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-co"]
---

# Colorado SB 24-111 (2024A) — Senior Primary Residence Prop Tax Reduction

For property tax years commencing on or after January 1, 2025, the act creates a new subclass of residential real property called qualified-senior primary residence real property, which includes residential real property that as of the assessment date is used as the primary residence of an owner-occupier, as defined in the act, if:

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2024a_sb111_h_app_001.pdf)
2. **Engrossed (03/19/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_111_eng.pdf)
3. **Final Act (05/10/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_111_enr.pdf)
4. **Introduced (02/05/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_111_01.pdf)
5. **PA1 (02/28/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_111_s_fin_01.pdf)
6. **PA2 (04/22/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_111_h_fin_01.pdf)
7. **PA3 (05/06/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_111_h_fin_app_01.pdf)
8. **Reengrossed (03/20/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_111_ren.pdf)
9. **Rerevised (05/08/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_111_rr2.pdf)
10. **Revised (05/07/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_111_rev.pdf)
11. **Signed Act (05/14/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2024a_111_signed.pdf)

## Votes

- REPASS — **28–7** (pass) · upper
- BILL — **60–3** (pass) · lower
- BILL — **26–9** (pass) · upper
- CONCUR — **35–0** (pass) · upper

## Sponsors

- Chris Hansen — primary (person)
- Chris Kolker — primary (person)
- Mary Young — primary (person)
- Sheila Lieder — primary (person)

## Timeline

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

- **2024-05-14T06:00:00+00:00** Governor Signed `executive-signature`
- **2024-05-10T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2024-05-10T06:00:00+00:00** Signed by the President of the Senate
- **2024-05-10T06:00:00+00:00** Signed by the Speaker of the House
- **2024-05-08T06:00:00+00:00** Senate Considered House Amendments - Result was to Concur - Repass
- **2024-05-08T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2024-05-07T06:00:00+00:00** House Second Reading Passed with Amendments - Committee `reading-2`
- **2024-05-06T06:00:00+00:00** House Committee on Appropriations Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2024-04-18T06:00:00+00:00** House Committee on Finance Refer Amended to Appropriations `referral-committee`
- **2024-03-25T06:00:00+00:00** Introduced In House - Assigned to Finance `introduction`
- **2024-03-20T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2024-03-19T06:00:00+00:00** Senate Second Reading Passed with Amendments - Committee `reading-2`
- **2024-03-15T06:00:00+00:00** Senate Committee on Appropriations Refer Unamended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2024-02-27T07:00:00+00:00** Senate Committee on Finance Refer Amended to Appropriations `referral-committee`
- **2024-02-05T07:00:00+00:00** Introduced In Senate - Assigned to Finance `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/eaf81570-4dbc-4a49-a80b-8783885526a2`. Confidence: reported (aggregated from official Colorado legislature records).