republic-os/legislation/us/states/il/97th/hb-4665.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	RES BUILD CODE RADON	Amends the Illinois Residential Building Code Act. Provides that a contract to build a home must contain, in addition to the adoption of a referenced building code, a provision requiring that a radon mitigation system be included in the construction. Effective immediately.	us/states/il	Illinois General Assembly	97th	HB 4665	Illinois HB 4665 (97th)	bill		enacted		3	49	2	2012-02-01	2012-08-13	openstates	ocd-bill/703fd3c1-828b-4821-8102-c909565bbf45	http://ilga.gov/legislation/BillStatus.asp?DocNum=4665&GAID=11&DocTypeID=HB&LegId=64454&SessionID=84&GA=97	2e64e8d287283f065655fae15dbc7028d69a2d759764c4345c18808ea52125c0	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-il

Illinois HB 4665 (97th) — RES BUILD CODE RADON

Amends the Illinois Residential Building Code Act. Provides that a contract to build a home must contain, in addition to the adoption of a referenced building code, a provision requiring that a radon mitigation system be included in the construction. Effective immediately.

Version chain

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

1. Introduced (filed) — source
2. Engrossed (committee substitute) — source
3. Enrolled (enrolled) — source

Votes

• Third Reading — 96–12 (pass) · lower
• Third Reading — 53–1 (pass) · upper

Sponsors

• Emily McAsey — primary (person)
• Kimberly A. Lightford — cosponsor (person)
• Mattie Hunter — cosponsor (person)

Timeline

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

• 2012-02-01 Filed with the Clerk by Rep. Emily McAsey filing
• 2012-02-03 First Reading reading-1
• 2012-02-03 Referred to Rules Committee referral-committee
• 2012-02-07 Assigned to Judiciary I - Civil Law Committee referral-committee
• 2012-02-21 Added Chief Co-Sponsor Rep. Karen May
• 2012-02-29 Added Chief Co-Sponsor Rep. Michael J. Zalewski
• 2012-03-02 House Committee Amendment No. 1 Filed with Clerk by Rep. Emily McAsey amendment-introduction
• 2012-03-02 House Committee Amendment No. 1 Referred to Rules Committee referral-committee
• 2012-03-05 House Committee Amendment No. 1 Rules Refers to Judiciary I - Civil Law Committee
• 2012-03-07 House Committee Amendment No. 1 Adopted in Judiciary I - Civil Law Committee; by Voice Vote amendment-passage
• 2012-03-07 Do Pass as Amended / Short Debate Judiciary I - Civil Law Committee; 010-000-000 committee-passage
• 2012-03-07 Placed on Calendar 2nd Reading - Short Debate
• 2012-03-07 Added Chief Co-Sponsor Rep. Jerry F. Costello, II
• 2012-03-09 Added Co-Sponsor Rep. Elizabeth Hernandez
• 2012-03-23 Added Co-Sponsor Rep. Elaine Nekritz
• 2012-03-23 Added Co-Sponsor Rep. Charles W. Krezwick
• 2012-03-26 Added Co-Sponsor Rep. Naomi D. Jakobsson
• 2012-03-26 House Floor Amendment No. 2 Filed with Clerk by Rep. Emily McAsey amendment-introduction
• 2012-03-26 House Floor Amendment No. 2 Referred to Rules Committee referral-committee
• 2012-03-27 Second Reading - Short Debate reading-2
• 2012-03-27 Held on Calendar Order of Second Reading - Short Debate reading-2
• 2012-03-28 House Floor Amendment No. 2 Rules Refers to Judiciary I - Civil Law Committee
• 2012-03-29 House Floor Amendment No. 2 Recommends Be Adopted Judiciary I - Civil Law Committee; 011-000-000 committee-passage-favorable
• 2012-03-29 House Floor Amendment No. 2 Adopted by Voice Vote amendment-passage
• 2012-03-29 Placed on Calendar Order of 3rd Reading - Short Debate
• 2012-03-29 Added Co-Sponsor Rep. Patrick J. Verschoore
• 2012-03-29 Added Co-Sponsor Rep. Eddie Lee Jackson, Sr.
• 2012-03-29 Added Co-Sponsor Rep. Scott E. Penny
• 2012-03-29 Added Co-Sponsor Rep. Esther Golar
• 2012-03-29 Third Reading - Short Debate - Passed 096-012-000 reading-3, passage
• 2012-03-30 Arrive in Senate introduction
• 2012-03-30 Placed on Calendar Order of First Reading reading-1
• 2012-03-30 Chief Senate Sponsor Sen. Jacqueline Y. Collins
• 2012-03-30 First Reading reading-1
• 2012-03-30 Referred to Assignments referral-committee
• 2012-04-11 Assigned to Licensed Activities referral-committee
• 2012-04-18 Do Pass Licensed Activities; 010-001-000 committee-passage
• 2012-04-18 Placed on Calendar Order of 2nd Reading April 19, 2012
• 2012-04-18 Added as Alternate Chief Co-Sponsor Sen. Michael Noland
• 2012-04-20 Added as Alternate Co-Sponsor Sen. Kimberly A. Lightford
• 2012-04-30 Added as Alternate Co-Sponsor Sen. Mattie Hunter
• 2012-05-02 Second Reading reading-2
• 2012-05-02 Placed on Calendar Order of 3rd Reading May 3, 2012
• 2012-05-16 Third Reading - Passed; 053-001-000 reading-3, passage
• 2012-05-16 Passed Both Houses
• 2012-06-14 Sent to the Governor executive-receipt
• 2012-08-13 Governor Approved executive-signature
• 2012-08-13 Effective Date June 1, 2013; - Some Parts August 13, 2012
• 2012-08-13 Public Act . . . . . . . . . 97-0953 became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/703fd3c1-828b-4821-8102-c909565bbf45. Confidence: reported (aggregated from official Illinois legislature records).