Atty. James McMahon

Atty. James McMahon

U.S. Attorney, District of South Dakota, 2002-2005.

Sioux Falls Sioux Falls 48 yrs experience 48 year
Call (605) 789-3757 Book Appointment

Profile Summary

About James McMahon at a glance

James McMahon is an Of Counsel based in Sioux Falls, South Dakota, practicing at Redstone Law Firm LLP. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on criminal defense, litigation, and government. Admitted to practice in South Dakota (1978) and U.S. District Court, District of South Dakota (1980). Educated at University of South Dakota (J.D., 1977) and Morningside College (B.S., 1973). Recognitions include AV Preeminent. Active member of Second Circuit Bar Association State Bar of South Dakota South Dakota Trial Lawyers Association American College of Trial Lawyers American Board of Trial Advocates National Diocesan Attorneys Association. Serands clients in Sioux Falls, SD and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • U.S
  • Attorney, District of South Dakota, 2002-2005

Practice Areas Explained

James McMahon's Areas of Practice

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

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

James McMahon is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in South Dakota →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

James McMahon is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in South Dakota →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

James McMahon is one of 132,225 government attorneys indexed nationally. Browse government attorneys in South Dakota →

Jurisdictional Context

Why local counsel matters in South Dakota

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

Looking for additional South Dakota attorneys? Browse all attorneys in Sioux Falls or all attorneys in South Dakota.

Frequently Asked

Common questions about James McMahon

Where is James McMahon's law office located?
James McMahon's law practice is located in Sioux Falls, South Dakota. The firm is Redstone Law Firm LLP. You can contact the office directly through this profile page.
What practice areas does James McMahon handle?
James McMahon focuses on criminal defense, litigation, government. Each practice area listed reflects experience handling cases of that type in South Dakota.
How long has James McMahon practiced law?
James McMahon has 48+ years of legal experience and has been licensed since 1978.
Where did James McMahon go to law school?
James McMahon earned their education at (J.D., 1977); (B.S., 1973).
How can I contact James McMahon for a consultation?
You can contact James McMahon 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 James McMahon received?
James McMahon's notable recognition includes: AV Preeminent.

Education

J.D.
University of South Dakota
- 1977
B.S.
Morningside College
- 1973

Awards

AV Preeminent

Bar Admissions

South Dakota
Admitted: 1978
U.S. District Court, District of South Dakota
Admitted: 1980

Reviews

5.0
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.