Atty. Mark William Sheahan

Atty. Mark William Sheahan

Mark William Sheahan is a lawyer practicing taxation law. Mark received a B.S. degree from University of Minnesota in 1986, and has been licensed for 36 years.

Minneapolis Minneapolis 36 yrs experience 36 year
Call (612) 778-0067 Book Appointment

Profile Summary

About Mark William Sheahan at a glance

Mark William Sheahan is a tax attorney based in Minneapolis, Minnesota. They have 36+ years of legal experience, licensed to practice since 1990. Admitted to practice in Minnesota (1990). Educated at William Mitchell College of Law (J.D., 1990) and University of Minnesota (B.S., 1986). Serands clients in Minneapolis, MN and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark William Sheahan is a lawyer practicing taxation law
  • Mark received a B.S. degree from University of Minnesota in 1986, and has been licensed for 36 years
  • Mark practices in Minneapolis, MN

Practice Areas Explained

Mark William Sheahan's Areas of Practice

Each practice area below reflects the types of cases Mark William Sheahan handles, with a brief overview of what that area of law covers.

Tax Law

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

Mark William Sheahan is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Minnesota →

Jurisdictional Context

Why local counsel matters in Minnesota

Practicing law in Minnesota. Legal matters in Minnesota are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Minneapolis are typically filed in the local municipal court or the appropriate Minnesota state district court, depending on subject matter and amount in controversy. An attorney licensed in Minnesota 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 Minnesota courts without local counsel or pro hac vice admission.

Looking for additional Minnesota attorneys? Browse all attorneys in Minneapolis or all attorneys in Minnesota.

Frequently Asked

Common questions about Mark William Sheahan

Where is Mark William Sheahan's law office located?
Mark William Sheahan's law practice is located in Minneapolis, Minnesota. You can contact the office directly through this profile page.
What practice areas does Mark William Sheahan handle?
Mark William Sheahan focuses on tax. Each practice area listed reflects experience handling cases of that type in Minnesota.
How long has Mark William Sheahan practiced law?
Mark William Sheahan has 36+ years of legal experience and has been licensed since 1990.
Where did Mark William Sheahan go to law school?
Mark William Sheahan earned their education at (J.D., 1990); (B.S., 1986).
How can I contact Mark William Sheahan for a consultation?
You can contact Mark William Sheahan 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.

Practice Areas

Education

J.D.
William Mitchell College of Law
- 1990
B.S.
University of Minnesota
- 1986

Bar Admissions

Minnesota
Admitted: 1990

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