Adult Guardianship Assistance | Office of the State Guardian
9511 Harrison Avenue W-335, Des Plaines, IL 60016
Eligibility
Guardians may be appointed, pending approval from the court, to serve as a substitute decision maker if a person is disabled because of: mental deterioration; physical incapacity; mental illness; or developmental disability.
Required documents
Intake forms
Additional documents may be required.
Hours
Monday to Friday, 8:30 am - 5:00 pm
Languages
English
Application process
(1) Call the intake number at 1-866-274-8023 and leave name and contact number to get a call back by next business day, or visit website to fill out online intake form at https://gac.illinois.gov/osg/online-intake-form.html
(2) If calling from outside the State of Illinois, dial 1-708-338-7500
(3) If services are being requested, a Referral and Client Status form will be mailed out
(4) Completed form returned by mail will be screened by an intake worker
Fees
Sliding Scale
Service area
Lake County, IL
Cook County, IL
Dupage County, IL
Kane County, 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
10/02/2025
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.