Atty. Sean Michael Lazzari

Atty. Sean Michael Lazzari

Sean Michael Lazzari is a lawyer practicing wills & living wills, arbitration & mediation, dui/dwi/drunk driving defense and 12 other areas of law. Sean received a B.S. degree from University of Illinois in 1978, and has been licensed for 44 years.

Oak Brook Oak Brook 44 yrs experience 44 year
Call (224) 295-6277 Book Appointment

Profile Summary

About Sean Michael Lazzari at a glance

Sean Michael Lazzari is a Member based in Oak Brook, Illinois, practicing at Law Office of Sean M. Lazzari. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on divorce, wills, dui/dwi, child custody, and trusts. Admitted to practice in Illinois (1982) and U.S. District Court, Northern District of Illinois (1982). Educated at Southern Illinois University (J.D., 1982) and University of Illinois (B.S., 1978). Active member of DuPage County, Cook County and Illinois State Bar Associations. Serands clients in Oak Brook, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sean Michael Lazzari is a lawyer practicing wills & living wills, arbitration & mediation, dui/dwi/drunk driving defense and 12 other areas of law
  • Sean received a B.S. degree from University of Illinois in 1978, and has been licensed for 44 years
  • Sean practices at Law Office of Sean M. Lazzari in Oak Brook, IL

Practice Areas Explained

Sean Michael Lazzari's Areas of Practice

Each practice area below reflects the types of cases Sean Michael Lazzari 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.

Sean Michael Lazzari is one of 50,487 divorce attorneys indexed nationally. Browse divorce attorneys in Illinois →

Wills

Sean Michael Lazzari is one of 34,541 wills attorneys indexed nationally. Browse wills 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.

Sean Michael Lazzari is one of 29,976 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Illinois →

Child Custody & Visitation

Sean Michael Lazzari is one of 31,241 child custody attorneys indexed nationally. Browse child custody attorneys in Illinois →

Trusts

Sean Michael Lazzari is one of 104,171 trusts attorneys indexed nationally. Browse trusts 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 Oak Brook 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 Oak Brook or all attorneys in Illinois.

Frequently Asked

Common questions about Sean Michael Lazzari

Where is Sean Michael Lazzari's law office located?
Sean Michael Lazzari's law practice is located in Oak Brook, Illinois. The firm is Law Office of Sean M. Lazzari. You can contact the office directly through this profile page.
What practice areas does Sean Michael Lazzari handle?
Sean Michael Lazzari focuses on divorce, wills, dui/dwi, child custody, trusts. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Sean Michael Lazzari practiced law?
Sean Michael Lazzari has 44+ years of legal experience and has been licensed since 1982.
Where did Sean Michael Lazzari go to law school?
Sean Michael Lazzari earned their education at (J.D., 1982); (B.S., 1978).
How can I contact Sean Michael Lazzari for a consultation?
You can contact Sean Michael Lazzari 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.

Education

J.D.
Southern Illinois University
- 1982
B.S.
University of Illinois
- 1978

Bar Admissions

Illinois
Admitted: 1982
U.S. District Court, Northern District of Illinois
Admitted: 1982

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