---
type: "Bill"
title: "Financing Of Downtown Development Authority Projects"
description: "A downtown development authority (authority) may use a tax increment financing (TIF) arrangement to generate capital by dedicating growth in property tax or sales tax revenue for a period of 30 years with the option for one 20-year extension. For property tax revenue only, the act creates the option for additional 20-year extension periods during which an authority may use a TIF arrangement if the governing body of the municipality that created the authority extends the period by ordinance. The first additional 20-year extension period may begin upon the expiration of the original 20-year extension."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2023A"
identifier: "SB 23-175"
citation: "Colorado SB 23-175 (2023A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Andrew Boesenecker", "Janice Rich", "Rick Taggart", "Sonya Jaquez Lewis"]
version_count: 10
action_count: 16
vote_count: 4
first_action: "2023-03-02T07:00:00+00:00"
last_action: "2023-06-02T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/58696ef8-5e00-41f2-8187-77d844105fcd"
source_url: "https://leg.colorado.gov/bills/sb23-175"
source_hash: "b3088b88b148bb7725ea0ef89754badd781de39ba0298b1a3205a81fde808b99"
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 23-175 (2023A) — Financing Of Downtown Development Authority Projects

A downtown development authority (authority) may use a tax increment financing (TIF) arrangement to generate capital by dedicating growth in property tax or sales tax revenue for a period of 30 years with the option for one 20-year extension. For property tax revenue only, the act creates the option for additional 20-year extension periods during which an authority may use a TIF arrangement if the governing body of the municipality that created the authority extends the period by ordinance. The first additional 20-year extension period may begin upon the expiration of the original 20-year extension.

## 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/2023a_sb175_h_fin_001.pdf)
2. **Engrossed (03/30/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_175_en2.pdf)
3. **Final Act (05/04/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_175_enr.pdf)
4. **Introduced (03/02/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_175_01.pdf)
5. **PA1 (03/24/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_175_s_fin_01.pdf)
6. **PA2 (04/18/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_175_h_fin_01.pdf)
7. **Reengrossed (03/31/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_175_ren.pdf)
8. **Rerevised (04/24/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_175_rer.pdf)
9. **Revised (04/21/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/documents/2023A/bills/2023a_175_rev.pdf)
10. **Signed Act (06/02/2023)** (committee substitute) — [source](https://leg.colorado.gov/sites/default/files/2023a_175_signed.pdf)

## Votes

- CONCUR — **35–0** (pass) · upper
- BILL — **25–7** (pass) · upper
- REPASS — **29–6** (pass) · upper
- BILL — **49–14** (pass) · lower

## Sponsors

- Andrew Boesenecker — primary (person)
- Janice Rich — primary (person)
- Rick Taggart — primary (person)
- Sonya Jaquez Lewis — primary (person)

## Timeline

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

- **2023-06-02T06:00:00+00:00** Governor Signed `executive-signature`
- **2023-05-04T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2023-05-04T06:00:00+00:00** Signed by the Speaker of the House
- **2023-05-03T06:00:00+00:00** Signed by the President of the Senate
- **2023-04-26T06:00:00+00:00** Senate Considered House Amendments - Result was to Concur - Repass
- **2023-04-25T06:00:00+00:00** Senate Considered House Amendments - Result was to Laid Over Daily
- **2023-04-24T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2023-04-21T06:00:00+00:00** House Second Reading Passed with Amendments - Committee `reading-2`
- **2023-04-20T06:00:00+00:00** House Second Reading Laid Over Daily - No Amendments
- **2023-04-17T06:00:00+00:00** House Committee on Finance Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2023-04-03T06:00:00+00:00** Introduced In House - Assigned to Finance `introduction`
- **2023-03-31T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2023-03-30T06:00:00+00:00** Senate Second Reading Passed with Amendments - Committee, Floor `reading-2`
- **2023-03-28T06:00:00+00:00** Senate Second Reading Laid Over Daily - No Amendments
- **2023-03-23T06:00:00+00:00** Senate Committee on Finance Refer Amended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2023-03-02T07:00:00+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/58696ef8-5e00-41f2-8187-77d844105fcd`. Confidence: reported (aggregated from official Colorado legislature records).