Atty. Glenn Ray Tetzlaff

Atty. Glenn Ray Tetzlaff

Glenn Ray Tetzlaff is a lawyer practicing criminal defense, federal attorney, dui defense and 7 other areas of law. Glenn received a B.S. degree from Southern Illinois University, Carbondale, Illinois in 1973, and has been licensed for 49 years.

Carterville Carterville 49 yrs experience 49 year
Call (618) 937-8747 Book Appointment

Profile Summary

About Glenn Ray Tetzlaff at a glance

Glenn Ray Tetzlaff is a Partner / Attorney based in Carterville, Illinois, practicing at Cervantez, Henninger & Associates, LLC. They have 49+ years of legal experience, licensed to practice since 1977. Their practice focuses on divorce, dui/dwi, child custody, probate, and personal injury. Admitted to practice in Illinois (1977). Educated at Southern Illinois University School of Law, Carbondale, Illinois (J.D., 1976) and Southern Illinois University, Carbondale, Illinois (B.S. Government, 1973). Recognitions include BV Distinguished. Serands clients in Carterville, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Glenn Ray Tetzlaff is a lawyer practicing criminal defense, federal attorney, dui defense and 7 other areas of law
  • Glenn received a B.S. degree from Southern Illinois University, Carbondale, Illinois in 1973, and has been licensed for 49 years
  • Glenn practices at Cervantez, Henninger & Associates, LLC in Carterville, IL

Practice Areas Explained

Glenn Ray Tetzlaff's Areas of Practice

Each practice area below reflects the types of cases Glenn Ray Tetzlaff handles, with a brief overview of what that area of law covers.

Divorce

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

Glenn Ray Tetzlaff is one of 50,487 divorce attorneys indexed nationally. Browse divorce attorneys in Illinois →

DUI / DWI Defense

Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.

Glenn Ray Tetzlaff is one of 29,976 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Illinois →

Child Custody & Visitation

Glenn Ray Tetzlaff is one of 31,241 child custody attorneys indexed nationally. Browse child custody attorneys in Illinois →

Probate

Glenn Ray Tetzlaff is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Illinois →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Glenn Ray Tetzlaff is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Carterville are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Carterville or all attorneys in Illinois.

Frequently Asked

Common questions about Glenn Ray Tetzlaff

Where is Glenn Ray Tetzlaff's law office located?
Glenn Ray Tetzlaff's law practice is located in Carterville, Illinois. The firm is Cervantez, Henninger & Associates, LLC. You can contact the office directly through this profile page.
What practice areas does Glenn Ray Tetzlaff handle?
Glenn Ray Tetzlaff focuses on divorce, dui/dwi, child custody, probate, personal injury. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Glenn Ray Tetzlaff practiced law?
Glenn Ray Tetzlaff has 49+ years of legal experience and has been licensed since 1977.
Where did Glenn Ray Tetzlaff go to law school?
Glenn Ray Tetzlaff earned their education at (J.D., 1976); (B.S. Government, 1973).
How can I contact Glenn Ray Tetzlaff for a consultation?
You can contact Glenn Ray Tetzlaff directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Glenn Ray Tetzlaff received?
Glenn Ray Tetzlaff's notable recognition includes: BV Distinguished.

Education

J.D.
Southern Illinois University School of Law, Carbondale, Illinois
- 1976
B.S. Government
Southern Illinois University, Carbondale, Illinois
- 1973

Awards

BV Distinguished

Bar Admissions

Illinois
Admitted: 1977

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