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Mr. Muntz began his career as an Assistant State’s Attorney at the DuPage County State’s Attorney’s Office in Wheaton, Illinois. Jeff served in that capacity for over 7 years, with the last 5 years of that position handling felony offenses. Mr. Muntz conducted numerous bench and jury trials as a prosecutor, ranging from First Degree Murder to traffic offenses. He was awarded the Misdemeanor Division Prosecutor of the Year in 2006.
Before he left that position in 2012, Mr. Muntz was assigned to that office’s Domestic Violence and Child Protection Unit, where he prosecuted serious felony cases that included violations of orders of protection, domestic battery cases, internet crimes against children, physical crimes against children, and home invasions. Jeff brings a wealth of courtroom and trial experience to Goostree Law Group
Mr. Muntz is a native of Spring Valley, Illinois. He resides in DuPage County with his wife and two daughters.
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Chat withState: Illinois
Acquired: 2005
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555 S Randall Road, Suite 200, Saint Charles, IL, 60174-5918
400 Knoll Street, Suite B, Wheaton, IL, 60187
36 Client Reviews
Showing 1 - 5 of 11 reviews | Child Custody
Posted by Risa | March 03, 2026 | Hired Attorney | Child Custody
Exceptional Representation with Integrity and Care
Jeff represented me in a relocation matter during a very challenging time, and I could not have asked for better counsel. He is exceptionally professional, prompt, and precise — yet also genuinely caring and sincere. What stood out most was his integrity and commitment to fairness. He advocates stro...
Posted by anonymous | February 18, 2026 | Hired Attorney | Child Custody
Jeff Muntz Review
Jeff Muntz has been my attorney since late 2022. He successfully helped bring a very contentious parenting time dispute to a conclusion and is currently representing me in another highly contested custody matter. I have personally seen Jeff litigate in court. He is strategic, composed, and extreme...
Posted by Sandy | January 13, 2026 | Hired Attorney | Child Custody
Absolute pro- Highly recommend- Very Trustworthy
I can’t say enough great things about Jeff Muntz. He’s an outstanding attorney, and just a wonderful person. He understands how difficult this process is and does a great job of making you feel like he has your back every step of the way. He communicates quickly and is very clear with options and ...
Posted by Steve Rogus | July 22, 2024 | Hired Attorney | Child Custody
Jeff Muntz/Gosstree Geveva FULLY RECOMMEND
During one of the most humbling experiences of my life, I was privileged to find the Goostree Law Group, specically Jeff Muntz. Jeff maintained very clear communication and worked with me through my entire process. Jeff did an excellent job recommending a GAL which relieved my daughter's mental he...
Posted by Catherine | September 28, 2022 | Hired Attorney | Child Custody
Jeff is an excellent attorney
Jeff did an excellent job managing my divorce, even though my ex and his attorney tried to stall and complicate the process as much as they could. This was a painful process, but it was reassuring to know I was in good hands. Jeff fought for what I wanted for both myself and for my children, and he w...
Divorce and separation lawyer | Apr 20
Relationship: Opposing Counsel on matter
"Jeff Muntz is an attorney that I happily endorse, as an upstanding member of the legal community and a strong advocate for clients."
"Jeff Muntz is a top notch attorney who is well respected by the entire legal community. This is an attorney that I would trust my family members and closest friends to, and whom I proudly endorse!"
"Jeff Muntz is a great lawyer with formidable legal skills; strongly liked and respected by the lawyers and judges in the legal community. This is an attorney that I absolutely endorse!"
"I have worked opposite Mr. Muntz on two cases in Kane County. He certainly advocated his client's position, but did so without creating unnecessary conflict."
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2018
Member, Elite Lawyer
2016
10 Best for Client Satisfaction, American Institute of Criminal Law Attorneys
2016
2016 Emerging Lawyer, Leading Lawyers Network
2016
Equity Partner, Goostree Law Group, P.C.
2016
10 Best for Client Satisfaction, American Institute of Family Law Attorneys
2015
Top 40 Under 40, National Trial Lawyers
2006
Outstanding Misdemeanor Prosecutor, DuPage County State's Attorney's Office
2016 - Present
Attorney, Goostree Law Group
2016 - 2016
Equity Partner, Goostree Law Group, P.C.
2012 - 2016
Associate Attorney, Shaw, Jacobs, Goostree & Associates, P.C.
2004 - 2012
Assistant State's Attorney - Felony Division, DuPage County State's Attorney's Office
2016 - Present
Illinois State Bar AssociationMember
2012 - Present
Kane County Bar AssociationMember
2011 - Present
DuPage County Bar AssociationMember
2003
J.D.
2000
B.A.
1996
2016
2016
2016
English