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South Dakota Criminal Defense Laws

South Dakota classifies felonies into nine classes — Classes A, B, and C (most serious, including potential life sentences) and Classes 1 through 6 (numbered by severity). Misdemeanors are classified as Class 1 (up to 1 year jail) or Class 2. The state has expungement options for certain offenses and automatic expungement for petty offenses and Class 2 misdemeanors after 10 years.

Last verified: 2026-02-26

Statute of Limitations

No limit for Class A, B, C felonies; 7 years for most other offensesSDCL § 23A-42-2

Class A, B, and C felonies (the most serious offenses) have no statute of limitations. Most other felonies and all misdemeanors must be charged within 7 years.

Exceptions

Sex Crimes Against Minors7 years or until victim turns 25, whichever is longerSDCL § 23A-42-2

Certain sex offenses against children have extended limitation periods, allowing prosecution until the victim reaches age 25 or within 7 years of the offense, whichever provides a longer period.

Key South Dakota Statutes

Felony Classification and PenaltiesSDCL § 22-6-1

Class A felonies carry death or life imprisonment. Class B: life imprisonment. Class C: up to life. Class 1: up to 50 years. Class 2: up to 25 years. Class 3: up to 15 years. Class 4: up to 10 years. Class 5: up to 5 years. Class 6: up to 2 years.

Misdemeanor Classification and PenaltiesSDCL § 22-6-2

Class 1 misdemeanors carry up to 1 year in county jail and a $2,000 fine. Class 2 misdemeanors carry up to 30 days in county jail and a $500 fine.

Expungement of Criminal RecordsSDCL § 23A-3-26 to 23A-3-37

South Dakota allows expungement for arrests not followed by charges (after 1 year), dismissed cases, certain misdemeanors (after 10 years), and for persons age 75+ (after 10 years). Class 2 misdemeanors and petty offenses are automatically expunged after 10 years.

DUI (Driving Under the Influence)SDCL § 32-23-1

The BAC limit is 0.08%. A first-offense DUI is a Class 1 misdemeanor (up to 1 year jail, $2,000 fine, 30-day license revocation). A second offense is also a Class 1 misdemeanor with a 1-year license revocation. A third or subsequent offense is a Class 6 felony, and fourth or subsequent is a Class 5 felony.

Official Sources

Not Legal Advice

This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in South Dakota.

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