Illinois SB 4180: ANIMAL CONTROL ACT-ATTACK

Status: Referred to Assignments (as of 2026-03-24)

State: Illinois · Session: 104th · Bill: SB 4180

Sponsors: Jil Tracy

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104TH GENERAL ASSEMBLY 
State of Illinois 
2025 and 2026
SB4180

Introduced 3/24/2026, by Sen. Jil Tracy 

SYNOPSIS AS INTRODUCED:

510 ILCS 5/16 from Ch. 8, par. 366

 Amends the Animal Control Act. In provisions regarding civil liability for animal attacks or injuries, deletes a provision regarding an attempt to attack a person. Provides that, in addition to civil liability, an owner is guilty of specified criminal offenses if the owner negligently fails to provide adequate care or adequate control of a dog or other animal that attacks or injures a person. Creates a Class A misdemeanor, a Class 4 felony for damages exceeding $750 or for serious bodily injury, and a Class 3 felony if the victim dies. Defines "animal attack", "serious bodily injury", and "victim of the animal attack". Effective immediately.

LRB104 21053 BDA 35568 b

A BILL FOR

SB4180LRB104 21053 BDA 35568 b

1 AN ACT concerning animals.

2 Be it enacted by the People of the State of Illinois, 

3represented in the General Assembly:

4 Section 5. The Animal Control Act is amended by changing 

5Section 16 as follows:

6 (510 ILCS 5/16) (from Ch. 8, par. 366)

7 Sec. 16. Animal attacks or injuries. If a dog or other 

8animal, without provocation, attacks, attempts to attack, or 

9injures any person who is peaceably conducting himself or 

10herself in any place where he or she may lawfully be, the owner 

11of the such dog or other animal is liable in civil damages to 

12the such person who is the victim of the animal attack for the 

13full amount of the injury proximately caused thereby. In 

14addition, if the owner of the animal negligently fails to 

15provide adequate care or adequate control of the animal 

16proximately causing the damage or injury under 

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