Atty. Keith E. Allenstein

Atty. Keith E. Allenstein

Keith E. Allenstein is a lawyer practicing criminal prosecution.

Sioux Falls Sioux Falls 28 yrs experience 28 year
Call (605) 731-8169 Book Appointment

Profile Summary

About Keith E. Allenstein at a glance

Keith E. Allenstein is a Dep. Co. Atty. based in Sioux Falls, South Dakota. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on criminal defense. Admitted to practice in Nebraska (1998). Educated at University of Nebraska at Lincoln (J.D., 1998) and University of South Dakota (B.S., 1992). Recognitions include BV Distinguished. Serands clients in Sioux Falls, SD and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Keith E. Allenstein is a lawyer practicing criminal prosecution
  • Keith received a B.S. degree from University of South Dakota in 1992, and has been licensed for 28 years
  • Keith practices in Sioux Falls, SD

Practice Areas Explained

Keith E. Allenstein's Areas of Practice

Each practice area below reflects the types of cases Keith E. Allenstein 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.

Keith E. Allenstein is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense 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 Keith E. Allenstein

Where is Keith E. Allenstein's law office located?
Keith E. Allenstein's law practice is located in Sioux Falls, South Dakota. You can contact the office directly through this profile page.
What practice areas does Keith E. Allenstein handle?
Keith E. Allenstein focuses on criminal defense. Each practice area listed reflects experience handling cases of that type in South Dakota.
How long has Keith E. Allenstein practiced law?
Keith E. Allenstein has 28+ years of legal experience and has been licensed since 1998.
Where did Keith E. Allenstein go to law school?
Keith E. Allenstein earned their education at (J.D., 1998); (B.S., 1992).
How can I contact Keith E. Allenstein for a consultation?
You can contact Keith E. Allenstein 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 Keith E. Allenstein received?
Keith E. Allenstein's notable recognition includes: BV Distinguished.

Practice Areas

Education

J.D.
University of Nebraska at Lincoln
- 1998
B.S.
University of South Dakota
- 1992

Awards

BV Distinguished

Bar Admissions

Nebraska
Admitted: 1998

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