Atty. Jeff A. Terwelp

Atty. Jeff A. Terwelp

Jeff A. Terwelp is a lawyer practicing income tax law, estate planning law, estate administration law.

Mendon Mendon 47 yrs experience 47 year
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Profile Summary

About Jeff A. Terwelp at a glance

Jeff A. Terwelp is a probate, estate planning, and tax attorney based in Mendon, Illinois. They have 47+ years of legal experience, licensed to practice since 1979. Admitted to practice in Alaska (1979) and Illinois (1982). Educated at University of Notre Dame J.D. (—) and Quincy University B.S. (—). Serands clients in Mendon, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jeff A. Terwelp is a lawyer practicing income tax law, estate planning law, estate administration law
  • Jeff A. received a B.S. degree from Quincy University, and has been licensed for 47 years
  • Jeff A. practices in Mendon, IL

Practice Areas Explained

Jeff A. Terwelp's Areas of Practice

Each practice area below reflects the types of cases Jeff A. Terwelp handles, with a brief overview of what that area of law covers.

Probate

Jeff A. Terwelp is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Illinois →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Jeff A. Terwelp is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in Illinois →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Jeff A. Terwelp is one of 85,302 tax attorneys indexed nationally. Browse tax 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 Mendon 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 Mendon or all attorneys in Illinois.

Frequently Asked

Common questions about Jeff A. Terwelp

Where is Jeff A. Terwelp's law office located?
Jeff A. Terwelp's law practice is located in Mendon, Illinois. You can contact the office directly through this profile page.
What practice areas does Jeff A. Terwelp handle?
Jeff A. Terwelp focuses on probate, estate planning, tax. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Jeff A. Terwelp practiced law?
Jeff A. Terwelp has 47+ years of legal experience and has been licensed since 1979.
Where did Jeff A. Terwelp go to law school?
Jeff A. Terwelp earned their education at (—); (—).
How can I contact Jeff A. Terwelp for a consultation?
You can contact Jeff A. Terwelp 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

University of Notre Dame J.D.
- In Progress
Quincy University B.S.
- In Progress

Bar Admissions

Alaska
Admitted: 1979
Illinois
Admitted: 1982

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