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About Me

I have tried criminal felony cases in Kane, Kendall, La Salle, Will, Du Page and Cook County.  In 2011 I co-counseled a First Degree Murder Trial at 26th & California and my client was found not guilty.  I also conducted an Armed Robbery bench trial and my client was found not guilty.  I co-couseled a Possession of a Controlled Substance With Intent to Deliver (56 pounds of marijuana) in front of a jury in Ottawa, Illinois, La Salle County and the jury found my client guilty. 

I have defended numerous clients in Driiving Under the Influence from preliminary matters to trial.

I am on call 24 hours a day, 365 days a year.  My cell phone number is listed above.  If you need representation - I will be there.  Discount fees for military veterans. I am a Vietnam Vet - 101st Airborne - 1969-1970.

I  have owned, buiilt and ridden Harley-Davidsons for 40 years.  I currently own and ride a 1998 Softail Springer.


Languages Spoken: Spanish

Photos and Videos

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Practice Areas


  1. Criminal Defense: 50%
    23 years, 500 cases
  2. Real Estate: 30%
    10 years
  3. DUI & DWI: 20%
    23 years, 80 cases



Free Consultation (30 minutes)

Payment Types:

Cash, Check

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Contact Info

John M. Montelongo, Attorney at Law, P.C.

71 N. Ottawa St.
Joliet, IL, 60432


ILActive And Authorized To Practice Law199208/17/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Association NamePosition NameDuration
Hispanic Bar Association of IllinoisMember1994 - Present
Illinois State Bar AssociationN/AN/A