# Colorado SB25-205: Firearm Serial Number Check Request Procedure

Colorado SB25-205, Firearm Serial Number Check Request Procedure, is a 2025 Regular Session Senate bill sponsored by Cecelia Espenoza (Democratic), Nick Hinrichsen (Democratic), William Lindstedt (Democratic); status signed, last action 2025-06-02 (Governor Signed) (as of 2026-10-16).

- Canonical: https://policyrisk.com/state-bill/CO-SB25-205-2025A
- As of: 2026-10-16
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Colorado SB25-205
- State: Colorado
- Session: 2025 Regular Session
- Title: Firearm Serial Number Check Request Procedure
- Status: signed
- Chamber: Senate
- Introduced: 2025-03-25
- Last action: 2025-06-02, Governor Signed
- Sponsors: Cecelia Espenoza (Democratic), Nick Hinrichsen (Democratic), William Lindstedt (Democratic)
- Cosponsors: 20
- Subjects: Local Government
- Touches household money: no
- Roll calls: 14 (319 yes, 348 no in all)
- Economic provisions PRIA read: 2

## Summary

No summary available.

## Bill overview: provisions PRIA read

- Gun dealers face new reporting deadlines: cost, low. Colorado gun dealers with state permits must report sales or attempted sales involving stolen, lost, or open-investigation firearms. This duty applies when dealers reasonably believe, know, should know, or become aware of the firearm's status. Dealers must report within 48 hours to law enforcement…
- Gun dealers get checks with possible fees: mixed, low. Federally licensed gun dealers can request serial number checks before buying guns from individuals. Requests go to city police for businesses within city limits, or the county sheriff for businesses in unincorporated areas. Agencies must offer a reasonable, uniform process by July 1, 2026, and res…

## Sponsors and cosponsors

- Sponsor: Cecelia Espenoza (Democratic), House
- Sponsor: Nick Hinrichsen (Democratic), Senate
- Sponsor: William Lindstedt (Democratic), Senate
- Cosponsor: Andrew Boesenecker (Democratic), House
- Cosponsor: Alex Valdez (Democratic), House
- Cosponsor: Eliza Hamrick (Democratic), House
- Cosponsor: Jennifer Bacon (Democratic), House
- Cosponsor: Junie Joseph (Democratic), House
- Cosponsor: Kyle Brown (Democratic), House
- Cosponsor: Karen McCormick (Democratic), House
- Cosponsor: Lorena Garcia (Democratic), House
- Cosponsor: Lindsay Gilchrist (Democratic), House
- Cosponsor: Lesley Smith (Democratic), House
- Cosponsor: Meg Froelich (Democratic), House
- Cosponsor: Mandy Lindsay (Democratic), House
- Cosponsor: Cathy Kipp (Democratic), Senate
- Cosponsor: Dafna Michaelson Jenet (Democratic), Senate
- Cosponsor: Iman Jodeh (Democratic), Senate
- Cosponsor: James Coleman (Democratic), Senate
- Cosponsor: Julie Gonzales (Democratic), Senate
- Cosponsor: Katie Wallace (Democratic), Senate
- Cosponsor: Mike Weissman (Democratic), Senate
- Cosponsor: Tom Sullivan (Democratic), Senate

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-04-28 | Senate | House amendments: Concur | pass | 33 | 0 |   |
| 2025-04-28 | Senate | House amendments: Repass | pass | 22 | 11 |   |
| 2025-04-25 | House | Third reading: Bill | pass | 36 | 27 |   |
| 2025-04-24 | House | Committee of the whole: Amd (h.006) | fail | 28 | 33 |   |
| 2025-04-24 | House | Committee of the whole: Amd (h.002) | fail | 24 | 37 |   |
| 2025-04-24 | House | Committee of the whole: Amd (h.001) | fail | 23 | 38 |   |
| 2025-04-24 | House | Committee of the whole: Amd (h.007) | fail | 22 | 39 |   |
| 2025-04-24 | House | Committee of the whole: Amd (h.004) | fail | 23 | 38 |   |
| 2025-04-24 | House | Committee of the whole: Amd (h.008) | fail | 25 | 36 |   |
| 2025-04-24 | House | Committee of the whole: Amd (h.005) | fail | 25 | 36 |   |
| 2025-04-24 | House | Committee of the whole: Amd (h.003) | fail | 24 | 37 |   |
| 2025-04-21 | House | Refer Senate Bill 25-205 to the Committee of the Whole. | pass | 8 | 3 |   |
| 2025-04-08 | Senate | Third reading: Bill | pass | 23 | 11 |   |
| 2025-04-01 | Senate | Refer Senate Bill 25-205, as amended, to the Committee of the Whole. | pass | 3 | 2 |   |

## Actions (14)

- 2025-06-02: Governor Signed (House)
- 2025-05-02: Signed by the Speaker of the House (House)
- 2025-05-02: Sent to the Governor (House)
- 2025-05-01: Signed by the President of the Senate (Senate)
- 2025-04-28: Senate Considered House Amendments - Result was to Concur - Repass (Senate)
- 2025-04-25: House Third Reading Passed - No Amendments (House)
- 2025-04-24: House Second Reading Special Order - Passed with Amendments - Floor (House)
- 2025-04-21: House Committee on State, Civic, Military, & Veterans Affairs Refer Unamended to House Committee of the Whole (House)
- 2025-04-08: Senate Third Reading Passed - No Amendments (Senate)
- 2025-04-08: Introduced In House - Assigned to State, Civic, Military, & Veterans Affairs (House)
- 2025-04-07: Senate Second Reading Passed with Amendments - Committee (Senate)
- 2025-04-04: Senate Second Reading Laid Over to 04/07/2025 - No Amendments (Senate)
- 2025-04-01: Senate Committee on State, Veterans, & Military Affairs Refer Amended to Senate Committee of the Whole (Senate)
- 2025-03-25: Introduced In Senate - Assigned to State, Veterans, & Military Affairs (Senate)

## Bill text

- Engrossed: [PDF](https://leg.colorado.gov/bill_files/84777/download)
- Final Act: [PDF](https://leg.colorado.gov/bill_files/84769/download)
- Introduced: [PDF](https://leg.colorado.gov/bill_files/84779/download)
- Reengrossed: [PDF](https://leg.colorado.gov/bill_files/84775/download)
- Rerevised: [PDF](https://leg.colorado.gov/bill_files/84771/download)
- Revised: [PDF](https://leg.colorado.gov/bill_files/84773/download)
- Signed Act: [PDF](https://leg.colorado.gov/bill_files/40852/download)

## Related bills

- SB25-279: Colorado Code of Military Justice Updates (signed)
- HB25-1234: Utility Consumer Protection (signed)
- HB25-1307: Updating Technical References in Education Law (signed)
- SB25-163: Battery Stewardship Programs (signed)
- SB25-261: Property Tax Deferral Program Administration (signed)
- SB25-167: Invest State Funds to Benefit Communities (signed)

## Sources
- [Engrossed (PDF)](https://leg.colorado.gov/bill_files/84777/download)
- [Final Act (PDF)](https://leg.colorado.gov/bill_files/84769/download)
- [Introduced (PDF)](https://leg.colorado.gov/bill_files/84779/download)
- [Reengrossed (PDF)](https://leg.colorado.gov/bill_files/84775/download)
- [Rerevised (PDF)](https://leg.colorado.gov/bill_files/84771/download)
- [Revised (PDF)](https://leg.colorado.gov/bill_files/84773/download)
- [Signed Act (PDF)](https://leg.colorado.gov/bill_files/40852/download)

## Related
- [SB25-279: Colorado Code of Military Justice Updates](https://policyrisk.com/state-bill/CO-SB25-279-2025A)
- [HB25-1234: Utility Consumer Protection](https://policyrisk.com/state-bill/CO-HB25-1234-2025A)
- [HB25-1307: Updating Technical References in Education Law](https://policyrisk.com/state-bill/CO-HB25-1307-2025A)
- [SB25-163: Battery Stewardship Programs](https://policyrisk.com/state-bill/CO-SB25-163-2025A)
- [SB25-261: Property Tax Deferral Program Administration](https://policyrisk.com/state-bill/CO-SB25-261-2025A)
- [SB25-167: Invest State Funds to Benefit Communities](https://policyrisk.com/state-bill/CO-SB25-167-2025A)
- [Colorado bills](https://policyrisk.com/states/colorado/bills)
- [Colorado state hub](https://policyrisk.com/states/colorado)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/CO-SB25-205-2025A (as of 2026-10-16).
