---
type: "Bill"
title: "Residential Building Stair Modernization"
description: "The act defines a subject jurisdiction as a municipality with a population of 100,000 or more that is served by a fire protection district, fire authority, or fire department that is or was accredited by a specified organization. The act only applies to a subject jurisdiction and only to the area within a subject jurisdiction that is served by a single fire protection district or fire department."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2025A"
identifier: "HB 25-1273"
citation: "Colorado HB 25-1273 (2025A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Andrew Boesenecker", "Matt Ball", "Nick Hinrichsen", "Steven Woodrow"]
version_count: 10
action_count: 19
vote_count: 8
first_action: "2025-02-19T07:00:00+00:00"
last_action: "2025-05-13T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/36ae7047-47d8-4d39-92a3-f9c08ea6ee39"
source_url: "https://leg.colorado.gov/bills/hb25-1273"
source_hash: "d244931ae022697ce29279c57eb2b65b192aba6e15168f8bb63e1410bf92b1fc"
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 HB 25-1273 (2025A) — Residential Building Stair Modernization

The act defines a subject jurisdiction as a municipality with a population of 100,000 or more that is served by a fire protection district, fire authority, or fire department that is or was accredited by a specified organization. The act only applies to a subject jurisdiction and only to the area within a subject jurisdiction that is served by a single fire protection district or fire department.

## 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/2025a_hb1273_s_sa_001.pdf)
2. **Engrossed (04/02/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1273_eng.pdf)
3. **Final Act (05/08/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1273_enr.pdf)
4. **Introduced (02/19/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1273_01.pdf)
5. **PA1 (03/20/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1273_h_thl_01.pdf)
6. **PA2 (04/25/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1273_s_sa_01.pdf)
7. **Reengrossed (04/03/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1273_ren.pdf)
8. **Rerevised (04/29/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1273_rer.pdf)
9. **Revised (04/28/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2025A/bills/2025a_1273_rev.pdf)
10. **Signed Act (05/13/2025)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2025a_1273_signed.pdf)

## Votes

- BILL — **23–9** (pass) · upper
- BILL — **40–25** (pass) · lower
- REPASS — **43–22** (pass) · lower
- NOT CNCR — **60–5** (pass) · lower
- ADOPT CCR — **35–0** (pass) · upper
- REPASS — **27–8** (pass) · upper
- AMEND — **28–4** (pass) · upper
- ADOPT — **49–16** (pass) · lower

## Sponsors

- Andrew Boesenecker — primary (person)
- Matt Ball — primary (person)
- Nick Hinrichsen — primary (person)
- Steven Woodrow — primary (person)
- A. Paschal — cosponsor (person)
- A. Valdez — cosponsor (person)
- C. Kipp — cosponsor (person)
- F. Winter — cosponsor (person)
- J. Bridges — cosponsor (person)
- K. McCormick — cosponsor (person)
- L. Smith — cosponsor (person)
- M. Lindsay — cosponsor (person)

## Timeline

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

- **2025-05-13T06:00:00+00:00** Governor Signed `executive-signature`
- **2025-05-09T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2025-05-08T06:00:00+00:00** Signed by the President of the Senate
- **2025-05-08T06:00:00+00:00** Signed by the Speaker of the House
- **2025-05-07T06:00:00+00:00** House Consideration of First Conference Committee Report result was to Adopt Committee Report - Repass
- **2025-05-06T06:00:00+00:00** Senate Consideration of First Conference Committee Report result was to Adopt Committee Report - Repass
- **2025-05-05T06:00:00+00:00** First Conference Committee Result was to Adopt Rerevised w/ Amendments
- **2025-05-01T06:00:00+00:00** House Considered Senate Amendments - Result was to Not Concur - Request Conference Committee
- **2025-04-30T06:00:00+00:00** House Considered Senate Amendments - Result was to Laid Over Daily
- **2025-04-29T06:00:00+00:00** Senate Third Reading Passed with Amendments - Floor `passage, reading-3`
- **2025-04-28T06:00:00+00:00** Senate Second Reading Passed with Amendments - Committee, Floor `reading-2`
- **2025-04-24T06:00:00+00:00** Senate Committee on State, Veterans, & Military Affairs Refer Amended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2025-04-22T06:00:00+00:00** Senate Committee on State, Veterans, & Military Affairs Witness Testimony and/or Committee Discussion Only
- **2025-04-07T06:00:00+00:00** Introduced In Senate - Assigned to State, Veterans, & Military Affairs `introduction`
- **2025-04-03T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2025-04-02T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee, Floor
- **2025-03-21T06:00:00+00:00** House Second Reading Laid Over Daily - No Amendments
- **2025-03-18T06:00:00+00:00** House Committee on Transportation, Housing & Local Government Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2025-02-19T07:00:00+00:00** Introduced In House - Assigned to Transportation, Housing & Local Government `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/36ae7047-47d8-4d39-92a3-f9c08ea6ee39`. Confidence: reported (aggregated from official Colorado legislature records).