---
type: "Bill"
title: "Extend Contaminated Land Income Tax Credit"
description: "The act extends for an additional 5 years the availability of the state income tax credit allowed to a taxpayer for an approved environmental remediation of contaminated property, through income tax years commencing prior to January 1, 2030."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2024A"
identifier: "HB 24-1116"
citation: "Colorado HB 24-1116 (2024A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Barbara Kirkmeyer", "Kyle Mullica", "Mary Bradfield", "Shannon Bird"]
version_count: 9
action_count: 14
vote_count: 2
first_action: "2024-01-26T07:00:00+00:00"
last_action: "2024-06-04T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/480a4daa-1c3e-4a11-b6e2-f02a4ccb9b64"
source_url: "https://leg.colorado.gov/bills/hb24-1116"
source_hash: "b3221057d921deb6d3dfb35685693d24a48bae4b5ecacac36d980faa4da68e23"
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 24-1116 (2024A) — Extend Contaminated Land Income Tax Credit

The act extends for an additional 5 years the availability of the state income tax credit allowed to a taxpayer for an approved environmental remediation of contaminated property, through income tax years commencing prior to January 1, 2030.

## 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_hb1116_s_app_001.pdf)
2. **Engrossed (04/25/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1116_eng.pdf)
3. **Final Act (05/21/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1116_enr.pdf)
4. **Introduced (01/26/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1116_01.pdf)
5. **PA1 (04/25/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1116_h_app_01.pdf)
6. **Reengrossed (04/26/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1116_ren.pdf)
7. **Rerevised (05/06/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1116_rer.pdf)
8. **Revised (05/04/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2024A/bills/2024a_1116_rev.pdf)
9. **Signed Act (06/04/2024)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2024a_1116_signed.pdf)

## Votes

- BILL — **33–0** (pass) · upper
- BILL — **61–2** (pass) · lower

## Sponsors

- Barbara Kirkmeyer — primary (person)
- Kyle Mullica — primary (person)
- Mary Bradfield — primary (person)
- Shannon Bird — primary (person)

## Timeline

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

- **2024-06-04T06:00:00+00:00** Governor Signed `executive-signature`
- **2024-05-21T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2024-05-21T06:00:00+00:00** Signed by the President of the Senate
- **2024-05-21T06:00:00+00:00** Signed by the Speaker of the House
- **2024-05-06T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2024-05-04T06:00:00+00:00** Senate Second Reading Special Order - Passed - No Amendments
- **2024-05-04T06:00:00+00:00** Senate Committee on Appropriations Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2024-04-30T06:00:00+00:00** Senate Committee on Finance Refer Unamended to Appropriations `referral-committee`
- **2024-04-29T06:00:00+00:00** Introduced In Senate - Assigned to Finance `introduction`
- **2024-04-26T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2024-04-25T06:00:00+00:00** House Second Reading Special Order - Passed with Amendments - Committee
- **2024-04-25T06:00:00+00:00** House Committee on Appropriations Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2024-02-15T07:00:00+00:00** House Committee on Finance Refer Unamended to Appropriations `referral-committee`
- **2024-01-26T07:00:00+00:00** Introduced In House - 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/480a4daa-1c3e-4a11-b6e2-f02a4ccb9b64`. Confidence: reported (aggregated from official Colorado legislature records).