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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 - 4 of 4 reviews | Cost of Services
Posted by Sandy | January 13, 2026 | Hired Attorney | Divorce & Separation
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 Adrian | March 03, 2022 | Hired Attorney | Divorce & Separation
Fathers behold!
Jeff Muntz completely turned my case around - he is the reason my baby boy has equal and frequent access to both me and his mom. As a single father navigating a contentious divorce and fighting for parenting time and overnights, the odds seemed against me. When my previous attorney wasn't able to ...
Posted by Jeremy H. | January 28, 2019 | Hired Attorney | Family
Best Choice for DuPage & Kane
After leaving a physically abusive relationship, I attempted to negotiate parenting issues amicably; however, it was short lived. My initial interviews with family law attorneys consisted of both male and females, small to large firms, cheap to expensive counsel, and a couple recommendations. I ultim...
Posted by Karen | October 17, 2016 | Hired Attorney | Divorce & Separation
In Gratitude
Filing for a divorce was not what I had imagined for my life. However, Jeff led us through this process with great professionalism, care, and support. I asked my husband to do this with one lawyer, and though Jeff could only represent me, he was very fair and supportive to us both. His advice and...
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