---
type: "Bill"
title: "LANDLORD-REQUIRED LOCK CHANGE"
description: "Amends the Landlord and Tenant Act. Provides that after a residential dwelling unit has been vacated by a tenant, a landlord must change the locks of the dwelling unit before it is again occupied and must provide a new tenant with a signed disclosure form acknowledging that this requirement has been met. Provides that if a landlord has not changed the locks, as required, and a theft occurs that is attributable to the landlord's failure to meet that requirement, the landlord is liable for any damages that the tenant incurs as a result of that failure."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "97th"
identifier: "HB 1233"
citation: "Illinois HB 1233 (97th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 46
vote_count: 3
first_action: "2011-02-08"
last_action: "2011-08-22"
source: "openstates"
source_identifier: "ocd-bill/9f74e1aa-1993-4d76-9d27-0ad6de23043f"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=1233&GAID=11&DocTypeID=HB&LegId=57204&SessionID=84&GA=97"
source_hash: "030574b9dd484d987fbf4396aaa8b71724b93e6a5d9d835902107606b07d0e13"
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-il"]
---

# Illinois HB 1233 (97th) — LANDLORD-REQUIRED LOCK CHANGE

Amends the Landlord and Tenant Act. Provides that after a residential dwelling unit has been vacated by a tenant, a landlord must change the locks of the dwelling unit before it is again occupied and must provide a new tenant with a signed disclosure form acknowledging that this requirement has been met. Provides that if a landlord has not changed the locks, as required, and a theft occurs that is attributable to the landlord's failure to meet that requirement, the landlord is liable for any damages that the tenant incurs as a result of that failure.

## Version chain

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

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09700HB1233&GA=97&SessionId=84&DocTypeId=HB&LegID=57204&DocNum=1233&GAID=11&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09700HB1233eng&GA=97&SessionId=84&DocTypeId=HB&LegID=57204&DocNum=1233&GAID=11&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09700HB1233enr&GA=97&SessionId=84&DocTypeId=HB&LegID=57204&DocNum=1233&GAID=11&Session=&print=true)

## Votes

- Third Reading — **56–0** (pass) · upper
- Third Reading — **111–5** (pass) · lower
- Concurrence, Amendment 1 — **101–11** (pass) · lower

## Sponsors

- Rita Mayfield — primary (person)

## Timeline

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

- **2011-02-08** Filed with the Clerk by Rep. Rita Mayfield `filing`
- **2011-02-08** First Reading `reading-1`
- **2011-02-08** Referred to Rules Committee `referral-committee`
- **2011-02-14** Assigned to Judiciary I - Civil Law Committee `referral-committee`
- **2011-03-08** House Committee Amendment No. 1 Filed with Clerk by Rep. Rita Mayfield `amendment-introduction`
- **2011-03-08** House Committee Amendment No. 1 Referred to Rules Committee `referral-committee`
- **2011-03-08** House Committee Amendment No. 1 Rules Refers to Judiciary I - Civil Law Committee
- **2011-03-09** House Committee Amendment No. 1 Adopted in Judiciary I - Civil Law Committee; by Voice Vote `amendment-passage`
- **2011-03-09** Do Pass as Amended / Short Debate Judiciary I - Civil Law Committee; 010-001-000 `committee-passage`
- **2011-03-09** Placed on Calendar 2nd Reading - Short Debate
- **2011-03-15** House Floor Amendment No. 2 Filed with Clerk by Rep. Rita Mayfield `amendment-introduction`
- **2011-03-15** House Floor Amendment No. 2 Referred to Rules Committee `referral-committee`
- **2011-03-17** House Floor Amendment No. 2 Recommends Be Adopted Rules Committee; 003-000-000 `committee-passage-favorable`
- **2011-03-17** Second Reading - Short Debate `reading-2`
- **2011-03-17** House Floor Amendment No. 2 Adopted by Voice Vote `amendment-passage`
- **2011-03-17** Placed on Calendar Order of 3rd Reading - Short Debate
- **2011-03-30** Third Reading - Short Debate - Passed 111-005-000 `reading-3, passage`
- **2011-03-31** Arrive in Senate `introduction`
- **2011-03-31** Placed on Calendar Order of First Reading April 6, 2011 `reading-1`
- **2011-04-04** Chief Senate Sponsor Sen. Emil Jones, III
- **2011-04-07** First Reading `reading-1`
- **2011-04-07** Referred to Assignments `referral-committee`
- **2011-04-27** Assigned to Judiciary `referral-committee`
- **2011-05-05** Do Pass Judiciary; 008-000-000 `committee-passage`
- **2011-05-05** Placed on Calendar Order of 2nd Reading May 6, 2011
- **2011-05-12** Second Reading `reading-2`
- **2011-05-12** Placed on Calendar Order of 3rd Reading May 13, 2011
- **2011-05-20** Senate Floor Amendment No. 1 Filed with Secretary by Sen. Emil Jones, III `amendment-introduction`
- **2011-05-20** Senate Floor Amendment No. 1 Referred to Assignments `referral-committee`
- **2011-05-22** Senate Floor Amendment No. 1 Assignments Refers to Judiciary
- **2011-05-22** Senate Floor Amendment No. 1 Recommend Do Adopt Judiciary; 007-000-000
- **2011-05-25** Recalled to Second Reading `reading-2`
- **2011-05-25** Senate Floor Amendment No. 1 Adopted; E. Jones, III `amendment-passage`
- **2011-05-25** Placed on Calendar Order of 3rd Reading
- **2011-05-25** Third Reading - Passed; 056-000-000 `reading-3, passage`
- **2011-05-26** Arrived in House `introduction`
- **2011-05-26** Placed on Calendar Order of Concurrence Senate Amendment(s) 1
- **2011-05-26** Senate Floor Amendment No. 1 Motion Filed Concur Rep. Rita Mayfield
- **2011-05-26** Senate Floor Amendment No. 1 Motion to Concur Referred to Rules Committee `referral-committee`
- **2011-05-29** Senate Floor Amendment No. 1 Motion to Concur Recommends Be Adopted Rules Committee; 004-000-000
- **2011-05-29** Senate Floor Amendment No. 1 House Concurs 101-011-000
- **2011-05-29** Passed Both Houses
- **2011-06-27** Sent to the Governor `executive-receipt`
- **2011-08-22** Governor Approved `executive-signature`
- **2011-08-22** Effective Date January 1, 2012
- **2011-08-22** Public Act . . . . . . . . . 97-0470 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9f74e1aa-1993-4d76-9d27-0ad6de23043f`. Confidence: reported (aggregated from official Illinois legislature records).