---
type: "Bill"
title: "Construction manager as constructor."
description: "Provides that when a public agency chooses to employ a construction manager as constructor (CMc) on a public works project, the applicable contract award standard for the project is \"lowest and best\". Increases the maximum amount of work a CMc may perform on a project from 20% of the total value of a project to 30% of the total value of a project."
jurisdiction: "us/states/in"
legislature: "Indiana General Assembly"
session: "2025"
identifier: "HB 1559"
citation: "Indiana HB 1559 (2025)"
classification: ["bill"]
subjects: ["AGENCIES; Department of Administration (IDOA)", "CIVIL LAW AND PROCEDURE; Contracts and Legal Documents", "LOCAL GOVERNMENT; Contracts", "Procurements", "and Purchases", "STATE GOVERNMENT; Public Works and Improvements"]
status: "enacted"
primary_sponsors: ["Heath VanNatter", "Linda Rogers", "Scott Baldwin"]
version_count: 4
action_count: 23
vote_count: 3
first_action: "2025-01-21"
last_action: "2025-04-16"
source: "openstates"
source_identifier: "ocd-bill/18c58e4a-759e-4a89-96b1-2659d4470070"
source_url: "https://api.iga.in.gov/2025/bills/hb1559"
source_hash: "652cbe6a7b64346802640f0210237c393f623d1c60c8cfd90ec45ca47d46ec6d"
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-in"]
---

# Indiana HB 1559 (2025) — Construction manager as constructor.

Provides that when a public agency chooses to employ a construction manager as constructor (CMc) on a public works project, the applicable contract award standard for the project is "lowest and best". Increases the maximum amount of work a CMc may perform on a project from 20% of the total value of a project to 30% of the total value of a project.

## Version chain

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

1. **Enrolled House Bill (H)** (committee substitute) — [source](https://iga.in.gov/pdf-documents/124/2025/house/bills/HB1559/HB1559.04.ENRS.pdf)
2. **House Bill (H)** (committee substitute) — [source](https://iga.in.gov/pdf-documents/124/2025/house/bills/HB1559/HB1559.03.COMS.pdf)
3. **House Bill (S)** (committee substitute) — [source](https://iga.in.gov/pdf-documents/124/2025/house/bills/HB1559/HB1559.02.COMH.pdf)
4. **Introduced House Bill (H)** (committee substitute) — [source](https://iga.in.gov/pdf-documents/124/2025/house/bills/HB1559/HB1559.01.INTR.pdf)

## Votes

- HB 1559 - VanNatter — **90–0** (pass) · lower
- HB 1559 - VanNatter - 3rd Reading — **91–0** (pass) · lower
- HB 1559 - Baldwin - 3rd Reading — **47–0** (pass) · upper

## Sponsors

- Heath VanNatter — primary (person)
- Linda Rogers — primary (person)
- Scott Baldwin — primary (person)
- Andrea Hunley — cosponsor (person)
- Chuck Moseley — coauthor (person)
- David Niezgodski — cosponsor (person)

## Timeline

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

- **2025-01-21** Authored by Representative VanNatter
- **2025-01-21** First reading: referred to Committee on Employment, Labor and Pensions `reading-1, referral-committee`
- **2025-02-06** Committee report: do pass, adopted `committee-passage`
- **2025-02-10** Second reading: ordered engrossed `reading-2`
- **2025-02-11** Representative Moseley added as coauthor
- **2025-02-13** Third reading: passed; Roll Call 160: yeas 91, nays 0 `passage, reading-3, reading-3`
- **2025-02-13** Senate sponsor: Senator Baldwin
- **2025-02-14** Referred to the Senate `referral`
- **2025-03-03** First reading: referred to Committee on Local Government `reading-1, referral-committee`
- **2025-03-04** Pursuant to Senate Rule 68(b); reassigned to Committee on Pensions and Labor `referral-committee`
- **2025-03-20** Committee report: amend do pass, adopted `committee-passage`
- **2025-03-24** Second reading: ordered engrossed `reading-2`
- **2025-03-24** Senator Rogers added as second sponsor
- **2025-03-24** Senators Niezgodski and Hunley added as cosponsors
- **2025-03-26** Returned to the House with amendments `receipt`
- **2025-03-25** Third reading: passed; Roll Call 292: yeas 47, nays 0 `passage, reading-3, reading-3`
- **2025-04-03** Motion to concur filed `filing`
- **2025-04-03** House concurred with Senate amendments; Roll Call 368: yeas 90, nays 0
- **2025-04-07** Signed by the Speaker `passage`
- **2025-04-09** Signed by the President of the Senate `passage`
- **2025-04-08** Signed by the President Pro Tempore `passage`
- **2025-04-16** Signed by the Governor `executive-signature`
- **2025-04-16** Public Law 95 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/18c58e4a-759e-4a89-96b1-2659d4470070`. Confidence: reported (aggregated from official Indiana legislature records).