State Government Agencies/Departments | Illinois Guardianship & Advocacy Commission
160 North LaSalle Street, Suite S-500, Chicago, IL 60601
Eligibility
Illinois residents living with disabilities and mental illness
Required documents
Proof of residence
Additional documents may be required.
Hours
Monday to Friday, 8:30 am - 5:00 pm
312-793-5900
Voice·
Administration
866-503-9078
Voice·
In State After Hours
217-785-0645
Voice·
Out-of-State After Hours
866-333-3362
Voice·
Main TTY
866-274-8023
Voice·
Main Call Center
708-338-7500
Voice·
Out-of-State Callers
Website
https://gac.illinois.govLanguages
English, Spanish, Polish; Interpreters for additional languages can be provided.
Application process
(1) Call the intake number and leave name and contact number to get a call back by next business day
(2) If calling from outside the State of Illinois, dial 1-708-338-7500
Fees
Sliding scale
Service area
IL
Provides legal representation, investigating complaints of rights violations and providing state guardianship to project rights and welfare of Illinois' population with disabilities. Divisions include the Office of the State Guardian, the Legal Advocacy Service and the Human Rights Authority, as well as the Special Education Initiative.
Last Assured
08/14/2025
What's Here
Providing organization
Illinois Guardianship Advocacy Commission
Provides legal representation, investigating complaints of rights violations and providing state guardianship to project rights and welfare of Illinois' population with disabilities. Divisions include the Office of the State Guardian, the Legal Advocacy Service and the Human Rights Authority, as well as the Special Education Initiative.