St. Louis Misdemeanor Defense Attorney

Missouri Misdemeanor Classifications and Penalties

Missouri classifies misdemeanors into three classes under §558.011, RSMo, with a separate Class D Misdemeanor category for minor offenses:¹

Class	Maximum Jail	Maximum Fine	Examples
Class A Misdemeanor	Up to 1 year	$2,000	Assault 4th, DWI (1st), stealing <$750 (with prior), peace disturbance
Class B Misdemeanor	Up to 6 months	$1,000	Trespass 1st, property damage 2nd (1st offense), sexual misconduct 2nd
Class C Misdemeanor	Up to 15 days	$750	Assault 4th (certain subsections), minor in possession of alcohol
Class D Misdemeanor	No jail	$500	Stealing <$750 (no priors), speeding, minor infractions

A Class D Misdemeanor carries no jail time, but it still produces a conviction on the record. A Class A Misdemeanor conviction carries up to one year in the county jail — the same facility used for low-level felony sentences.

Common Misdemeanor Charges in St. Louis

Assault in the Fourth Degree (§565.056)

The most common misdemeanor assault charge in St. Louis. Fourth-degree assault covers recklessly causing physical pain or injury, placing someone in apprehension of immediate physical injury, and causing offensive physical contact.² At base, this is a Class A Misdemeanor — up to 1 year in jail.² For certain conduct without a special victim, the charge drops to Class C Misdemeanor — up to 15 days.² Fourth-degree assault is among the most defensible charges at trial: the line between reckless conduct and ordinary accident, and between apprehension of injury and legitimate fear, is frequently contested.

DWI — First Offense (§577.010)

A first-offense DWI in Missouri — operating a motor vehicle while in an intoxicated or drugged condition — is a Class B Misdemeanor, carrying up to 6 months in jail and fines.³ With a blood alcohol concentration of 0.15% or higher, the charge elevates to Class A Misdemeanor.³ Beyond the criminal case, a first-offense DWI triggers a 90-day administrative license suspension (30 days hard suspension followed by 60 days restricted driving with interlock) through the Missouri Department of Revenue — separate from the criminal case.⁴ A first-offense DWI is eligible for expungement under §610.130, RSMo after 10 years with no subsequent alcohol-related offense.⁵

Stealing Under $750 (§570.030)

Stealing property valued under $750 — with no prior stealing convictions — is a Class D Misdemeanor in Missouri.⁶ With one or two prior stealing convictions, it elevates to a Class A Misdemeanor.⁶ With three or more prior stealing convictions within 10 years, even a small-dollar theft becomes a Class E Felony.⁶ The value threshold matters — and prosecutors frequently overstate the value of stolen property to elevate the charge.

Peace Disturbance (§574.010)

One of the most commonly charged misdemeanors in St. Louis. Missouri’s peace disturbance statute covers unreasonable noise, fighting, and using offensive language in a public place.⁷ A Class B Misdemeanor at base — up to 6 months in jail.⁷ Prosecutors frequently use peace disturbance as the charge when the evidence for assault is weak, or as a plea negotiation reduction from assault charges.

Trespass (§569.140–569.150)

First-degree trespass — knowingly entering or remaining unlawfully in a building, fenced property, or posted real property — is a Class B Misdemeanor.⁸ Escalates to Class A Misdemeanor if the defendant was armed or the entry occurred during a declared emergency.⁸ Second-degree trespass — entering real property generally — is a Class C Misdemeanor.⁹

Minor in Possession of Alcohol (§311.325)

Possession of intoxicating liquor by a person under 21 is a Class C Misdemeanor in Missouri.¹⁰ The conviction appears on the record and can affect employment in licensed industries, professional licensing, and military service. Diversion programs and dismissals on compliance are often available for first-time offenders.

Property Damage — Second Degree (§569.120)

Knowingly or recklessly damaging property of another valued at $750 or less. Class B Misdemeanor for a first offense — escalates to Class A Misdemeanor for subsequent offenses.¹¹ Property damage in the second degree is a common charge arising from domestic disputes, bar incidents, and neighbor conflicts.

Sexual Misconduct — Second Degree (§566.093)

Soliciting or requesting another person to engage in sexual conduct under circumstances constituting a public offense. Class B Misdemeanor — up to 6 months in jail.¹² While classified as a misdemeanor, certain sexual misconduct charges can carry sex offender registration requirements depending on the circumstances and prior convictions.

Why Misdemeanor Defense Matters

Employment and Professional Licensing

Missouri employers routinely run background checks that reveal all convictions, misdemeanor and felony alike. Positions in healthcare, education, law enforcement, finance, and transportation often have specific misdemeanor disqualifiers. Nursing licenses, teaching certificates, contractor licenses, and security licenses are all subject to disciplinary action for certain misdemeanor convictions. The record follows you — unless it doesn’t have to.

The Prior Conviction Problem

A misdemeanor conviction becomes the predicate for enhanced charges on any future arrest. A second Class A Misdemeanor assault can support a felony enhancement. Three stealing convictions — each a misdemeanor — produce a felony exposure on the fourth. DWI misdemeanor convictions count as prior alcohol-related enforcement contacts for enhancement purposes, turning a future DWI from a misdemeanor into a felony. The cheapest misdemeanor plea today can be the most expensive decision of the next arrest.

The Domestic Violence Misdemeanor Problem

A misdemeanor conviction for any offense classified as a “misdemeanor crime of domestic violence” under 18 U.S.C. §922(g)(9) permanently prohibits firearm possession under federal law — for life.¹³ The federal prohibition applies regardless of Missouri law, regardless of whether the conviction was for a fourth-degree domestic assault misdemeanor, and regardless of the actual sentence imposed. Pleading to a domestic violence misdemeanor without understanding this consequence is a catastrophic mistake that cannot be undone.

Expungement Eligibility

Most Missouri misdemeanors are eligible for expungement under §610.140, RSMo after a 1-year waiting period from the completion of all sentence conditions.¹⁴ This includes fines paid, probation completed, and jail served. After expungement, the conviction is sealed from public view, and the person may lawfully answer “no” on most employment applications. However, expungement requires that no subsequent felony or misdemeanor convictions occurred during the waiting period, and certain offenses — including all domestic assault misdemeanors — are permanently ineligible.¹⁴ The best path to a clean record is avoiding the conviction in the first place.

Defense Strategies for Misdemeanor Cases in St. Louis

Diversion and Deferred Prosecution

Many first-time misdemeanor offenders are eligible for diversion programs — completing community service, paying a fee, and staying out of trouble for a specified period in exchange for a dismissal of the charge. Diversion is not available in all courts or for all offenses, and it requires negotiation with the prosecutor. An experienced defense attorney knows which courts offer diversion, which prosecutors agree to it, and how to position a case for the best possible outcome.

Suppression of Evidence

Misdemeanor cases arising from traffic stops, warrantless searches, or police contact that exceeded constitutional limits are subject to the same Fourth Amendment suppression analysis as felony cases. If the stop, search, or arrest was unlawful, the evidence must be suppressed regardless of what it shows.

Trial

Misdemeanor cases are tried to a judge or a jury — and the State must still prove every element beyond a reasonable doubt. In assault cases, the line between recklessness and accident is a jury question. In DWI cases, field sobriety test administration and breathalyzer calibration are regularly challengeable. In theft cases, the value of stolen property and the intent to permanently deprive are both elements the State must prove. Many misdemeanor cases should not be pleaded — they should be tried.

Suspended Imposition of Sentence (SIS)

Missouri allows courts to suspend the imposition of sentence and place a defendant on probation for misdemeanors.¹⁵ With an SIS, if probation is completed successfully, no conviction ever enters on the record — eliminating the background check problem entirely. An SIS is not automatic, and not every misdemeanor qualifies, but experienced defense counsel knows when to pursue it and how to present the case for it.

Flat-Fee Misdemeanor Defense in St. Louis

Rose Legal Services provides flat-fee pricing for misdemeanor defense at every level — from Class D through Class A. The fee is set upfront based on the charge and complexity, with no hourly billing and no financial surprises. Flexible payment plans available.

Free consultations available 24/7. Call Rose Legal Services — the defense starts with a conversation.

References

1. §558.011, RSMo [Misdemeanor classifications and maximum terms of imprisonment].
2. §565.056, RSMo [Assault in the fourth degree — Class A/C Misdemeanor].
3. §577.010, RSMo [Driving while intoxicated — Class B Misdemeanor; Class A if BAC ≥0.15%].
4. §302.505, RSMo [Administrative license suspension — 90 days for first offense DWI].
5. §610.130, RSMo [First-offense DWI expungement — 10-year waiting period].
6. §570.030, RSMo [Stealing — value thresholds; prior offense enhancements].
7. §574.010, RSMo [Peace disturbance — Class B Misdemeanor].
8. §569.140, RSMo [Trespass in the first degree — Class B/A Misdemeanor].
9. §569.150, RSMo [Trespass in the second degree — Class C Misdemeanor].
10. §311.325, RSMo [Minor in possession of intoxicating liquor — Class C Misdemeanor].
11. §569.120, RSMo [Property damage in the second degree — Class B/A Misdemeanor].
12. §566.093, RSMo [Sexual misconduct in the second degree — Class B Misdemeanor].
13. 18 U.S.C. §922(g)(9) [Federal firearms prohibition — misdemeanor domestic violence conviction].
14. §610.140, RSMo [General expungement — 1-year waiting period for misdemeanors; ineligible offenses].
15. See Missouri practice re: suspended imposition of sentence (SIS) — §557.011, RSMo.