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Criminal Defense

DUI / DWI

After an arrest for DUI, call our St. Louis DWI lawyer at JMH Law Firm, LLC. We handle all types of felony and misdemeanor DUI/DWI charges. Schedule your consultation today!

ST. LOUIS DWI ATTORNEYS

Speak With Us for FREE – 314-827-6222

Aggressive St. Louis DUI Defense – Act Now to Secure Your Future

Driving while intoxicated (DWI) and driving under the influence (DUI) are serious criminal offenses that have garnered increasing and widespread attention in recent years. As part of the national crackdown on those who drive impaired, Missouri now enforces harsh and unforgiving DWI laws.

While these allegations are among the more prevalent criminal offenses, as they affect people from all walks of life, no one facing these charges should ever let themselves believe that a DWI is inconsequential, not important enough to warrant the help of a criminal defense attorney, or anything other than a serious crime.

If you have been charged with drunk driving, it is vital to seek counsel from an attorney as soon as possible. A DWI is a serious legal matter with severe implications. Our St. Louis DWI lawyer at JMH Law can help you understand the charges against you and build a strong defense. We fight for you in court and strive to ensure you get the best possible outcome. With 60 years of combined experience, our team is ready to protect your rights and your future.

Our firm has amassed extensive hands-on experience representing clients facing a variety of DWI allegations, including any of the following:

Don't wait until it's too late! Contact our DWI attorney in St. Louis today to schedule an initial consultation.

What is Considered a DWI in Missouri?

In Missouri, a person can be charged with Driving While Intoxicated (DWI) if they operate a motor vehicle while under the influence of alcohol, drugs, or any intoxicating substance that impairs their ability to drive safely. Most people associate DWI with alcohol, but Missouri law also applies to illegal drugs, prescription medications, and even certain over-the-counter substances if they affect your driving ability.

Under Missouri law, you may be considered legally intoxicated if your blood alcohol concentration (BAC) is 0.08% or higher while operating a motor vehicle. However, you can still be arrested and charged with a DWI even if your BAC is below that limit, as long as the officer believes your driving ability is impaired.

Law enforcement officers in St. Louis often rely on a variety of evidence when making a DWI arrest, including:

  • Field sobriety tests
  • Breathalyzer or blood test results
  • Observations such as slurred speech, bloodshot eyes, or the smell of alcohol
  • Erratic or dangerous driving behaviors

Even if you feel that you were wrongly accused, it is important to take the charge seriously and contact a qualified St. Louis DWI lawyer as soon as possible.

Missouri DWI & Implied Consent Laws

Missouri operates under what is known as an implied consent law. This means that by driving on Missouri roads, you automatically agree to submit to a chemical test—such as a breath, blood, or urine test—if a law enforcement officer has reasonable grounds to believe that you are driving while intoxicated.

If you refuse to submit to a chemical test, there can still be serious consequences. A refusal may result in:

  • Automatic driver’s license revocation for at least one year
  • The refusal being used as evidence against you in court
  • Increased legal penalties if you are convicted

Many drivers believe that refusing a test protects them, but in some cases, it can actually make the situation worse. Understanding the nuances of Missouri’s implied consent law is complex, and this is where an experienced St. Louis DWI lawyer from JMH Law Firm, LLC can help explain your options and protect your rights.

DWI Penalties in MO

Missouri takes driving while intoxicated very seriously, and the penalties increase significantly with each additional conviction. Even a first-time DWI charge can have lasting effects on your criminal record, driving privileges, and financial stability.

First DWI Offense (Class B Misdemeanor)

For most first-time offenders, a DWI is charged as a Class B misdemeanor. Potential penalties may include:

  • Up to 6 months in jail
  • Fines of up to $1,000 plus court costs
  • Driver’s license suspension for up to 6 months
  • Mandatory Substance Abuse Traffic Offender Program (SATOP) or substance abuse education
  • Possible probation
  • Installation of an ignition interlock device (IID) in some cases
  • Increased auto insurance rates

In some cases, a first-time offender may be eligible for a suspended imposition of sentence (SIS) or other alternative sentencing options, but this is not guaranteed and depends on the specific circumstances of the arrest.

Second DWI Offense (Class A Misdemeanor)

A second DWI conviction is typically charged as a Class A misdemeanor, with harsher consequences, including:

  • Up to 1 year in jail
  • Fines of up to $2,000
  • License revocation for at least one year
  • Extended use of an ignition interlock device
  • Longer probation periods
  • Mandatory alcohol treatment or counseling

Third DWI Offense (Class E Felony)

A third DWI is often charged as a felony in Missouri. Penalties increase significantly and may include:

  • Up to 4 years in prison
  • Fines of up to $10,000
  • Long-term or permanent license revocation
  • Mandatory use of an ignition interlock device
  • Extended substance abuse treatment programs

Fourth and Subsequent Offenses (Felony Charges)

Fourth and subsequent DWI offenses are considered felony-level crimes and can result in severe, life-altering penalties, such as:

  • Lengthy prison sentences
  • Substantial fines
  • Permanent loss of driving privileges in some cases
  • Strict probation requirements
  • Mandatory participation in intensive treatment programs

Aggravating Factors That Increase Penalties

Certain circumstances can lead to even harsher penalties, including:

  • Extremely high BAC levels
  • Causing an accident or injury
  • Having a minor in the vehicle
  • Driving with a suspended or revoked license

Because the penalties for DWI in Missouri escalate so quickly, it is critical to take every charge seriously. A knowledgeable St. Louis DWI lawyer at JMH Law Firm, LLC can evaluate your situation, explain your options, and aggressively fight to reduce or dismiss the charges whenever possible.

Legal Defenses to DWI Charges

Being charged with DWI does not mean you will be convicted. There are many possible legal defenses that may apply to your case, depending on the circumstances of your arrest.

At JMH Law Firm, LLC, our St. Louis DWI attorney will carefully analyze every aspect of your case, including:

  • Whether the officer had valid probable cause to stop you
  • Whether field sobriety tests were administered correctly
  • The accuracy and calibration of breathalyzer machines
  • The way blood or urine samples were collected and handled
  • Violations of your constitutional rights

Improper police procedures, inaccurate test results, equipment malfunctions, and lack of probable cause can all be used to challenge the prosecution’s case against you. Our goal is to expose weaknesses in the state’s evidence and fight aggressively on your behalf.

In some cases, it may be possible to have the charges reduced, obtain a diversion program, or even get the case dismissed entirely.

The Missouri DWI Court Process

Many individuals arrested for DWI in St. Louis have never faced criminal charges before and are unfamiliar with how the legal system works. Understanding the process can help reduce uncertainty and allow you to make informed decisions about your case.

A Missouri DWI case often begins with a traffic stop or sobriety checkpoint, followed by field sobriety testing and chemical testing. After an arrest, you may be booked into jail and later released pending court appearances.

The DWI court process may include:

  • Arraignment hearings
  • Administrative license suspension proceedings
  • Pretrial motions
  • Plea negotiations
  • Trial, if necessary

Each stage of the process presents opportunities to challenge the prosecution’s evidence. Our St. Louis DWI attorney at JMH Law Firm, LLC can represent you throughout every phase of your case and work to protect your rights from start to finish.

FAQs About DWI in St. Louis, MO

Can I be charged with a DWI if I wasn’t driving?

In some cases, yes. If you were found in “actual physical control” of a vehicle, such as sitting in the driver’s seat with the keys in the ignition while intoxicated, you may still face charges.

Will a DWI stay on my record forever?

A DWI conviction can remain on your criminal record permanently in many cases. However, certain situations may allow for expungement or record sealing. A St. Louis DWI lawyer can help determine your eligibility.

Is it possible to keep my license after a DWI arrest?

Yes, but it depends on your specific circumstances. You may be able to request a hearing or obtain a limited driving privilege. Taking quick action is essential.

What should I do after being arrested for DWI?

Do not try to handle it alone. Contact a St. Louis DWI attorney at JMH Law Firm, LLC immediately. Avoid discussing your case on social media or with anyone other than your attorney.

Can I be arrested for DWI in St. Louis even if I wasn’t driving?

Yes. In Missouri, you can be charged with DWI even if the vehicle was not moving. If you are found in “actual physical control” of a vehicle while impaired—such as sitting in the driver’s seat with the keys nearby—you may still face a DWI charge.

What is Missouri’s “persistent offender” status for DWI?

A driver may be labeled a persistent offender if they have two or more DWI-related convictions. This can lead to significantly harsher penalties, including mandatory jail time and longer license revocation periods.

Can prescription medication lead to a DWI in St. Louis?

Yes. You can be charged with DWI for driving while impaired by prescription drugs, even if you have a valid prescription, if your ability to safely operate a vehicle is affected.

Will a DWI affect my job or professional license?

In many cases, a DWI can impact employment, especially for commercial drivers, healthcare workers, teachers, government employees, and those who hold professional licenses. Some employers also conduct background checks that may flag the conviction.

Do St. Louis police need probable cause to pull me over for DWI?

Yes. An officer must have reasonable suspicion to stop your vehicle and probable cause to arrest you for DWI. If your stop or arrest was unlawful, it may be possible to challenge and suppress evidence.

What happens if I miss my court date for a DWI charge?

Missing a court date can result in a warrant being issued for your arrest. It can also lead to additional charges and negatively affect your case.

How long does a DWI case usually take in St. Louis?

The process can take several months or longer, depending on the court’s schedule, whether motions are filed, and whether the case goes to trial or is resolved through a plea.

Can passengers get in trouble if the driver is arrested for DWI?

Passengers are typically not charged with DWI, but they could face charges for other illegal behavior, such as public intoxication, possession of alcohol, or drug-related offenses.

St. Louis DUI Defense: Your Rights and Future Are Our Priority

If you or your loved one is facing legal recourse for a DWI or DUI charge, then trust in our firm's St. Louis DWI lawyers to provide you with the unrelenting representation you need to protect your future. Although you may feel as though there is little you can do, our firm's experience has allowed us to accumulate a number of defense options that we can apply to your specific situation.

Our approach to each DWI and DUI case is grounded in a deep understanding of the complexities of Missouri law. We remain committed to exploring every possible avenue of defense, whether it involves negotiating a plea bargain or aggressively defending your rights in the courtroom. We also provide guidance on the long-term effects a conviction could have on your life, helping you understand not just the current charges but their future ramifications.

Regardless of the facts involved, we always:

We are here to answer your questions, alleviate your concerns, and provide you with the experienced representation you need. Contact JMH Law Firm, LLC today at (314) 827-6222.

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How Our St. Louis DUI Attorneys Can Help

Regardless of the DWI or DUI allegations you face, you need to be certain that the attorneys you select have the skills, experience, and determination to successfully resolve your case. At JMH Law Firm, LLC, we know that clients demand personalized representation and skilled handling of all matters related to their case. As such, we provide comprehensive services that address both your criminal charges and DOR hearing to protect your license.

When preparing for both criminal and administrative proceedings, our St. Louis DWI attorneys work closely with you to collect all the facts, conduct investigations, and determine the most viable defense strategy. We challenge breath and blood evidence, the arresting protocol of law enforcement officers, and regularly enlist the assistance of expert witnesses or testimony when necessary. We do everything in our power to secure the positive resolution you need, and we draw from more than 60 years of experience to give you the strongest fighting chance.

Our dedication to client satisfaction and successful case outcomes stems from our adaptive and informed legal strategies. By understanding each unique case's demands, we tailor our approach to meet your needs effectively. Our attorneys are committed to transparency and clear communication throughout the legal process, fostering trust and collaboration. This personalized focus ensures that every client feels not only represented but understood and prioritized.

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Client Testimonials

At JMH Law Firm, LLC, your satisfaction is our priority! See for yourself what our clients have to say about working with us.

  • Best law firm around, would definitely recommend! Amanda is always so helpful and very nice. Joe is a great lawyer!

    - Nicole F.
  • Joe is a great lawyer, he knows his stuff, he’s compassionate, and he keeps his word. I’ve had the pleasure of his services for almost six years now

    - Darrell M.
  • Joe is the best lawyer I have dealt with in my entire life. He is smart, easy to work with, honest, and helpful.

    - Becky K.
  • Joe and his team were fantastic! Very kind, reasonable, and easy to work with. Made everything smooth and easy. Thank you.

    - Mike D.
  • JMH law is the best in the business! Very pleased with the work they’ve done for me, I recommend them to everyone I know!

    - Trey F
  • I was driving pretty quickly in a work zone. What I thought would turn into a night in jail ended up as illegal parking and completing a DIP program virtually from home. Though every situation and outcome is different, the ease of the process alone was worth coming to JMH. Very professional and supremely helpful across the board. Thank you, JMH! Will refer you as often as I can!

    - Samantha S.
  • The JMH Law Firm handled my case quickly and made the process quite simple for me. They were my first call and will continue to be! Joseph responded to any questions I had and made sure I had any and all information that I requested! I’m grateful for the result, the fluid communication and their effective due diligence.

    - Marqual P.
  • Joseph is incredibly professional, responsive, and dedicated. He consistently provides clear communication and reassurance through every step. If you need a top-notch criminal defense lawyer, Joseph Harvath is your man!

    - Amanda W.
  • Joe helped me with a speeding ticket so I didn’t get any points on my license. Easy to work with and managed everything via phone/email with me, which was so convenient. He walked me through what to expect and the costs so I had no surprises. Highly recommend!

    - Katie H.
  • Had my first interaction with Joe this morning to take a look at a traffic ticket for my son who was at fault in a minor accident that we settled outside of insurance. Joe was easy to work with over the phone, and he made the process simple for us. He went above and beyond to get the case resolved in less than 3 hours. Even better was the unexpected surprise that Joe was able to negotiate to get my son's traffic citation completely dropped like it never happened! Never thought that was possible and now I won't hesitate to call Joe again if my family is ever needing an attorney in the future. Highly recommended.

    - Jonathan D.
  • I called around to a few agencies when I finally received my appearance in court letter and Joseph Harvath was by far the nicest attorney I spoke with. Exceptional customer service. He wasn’t afraid to educate me on the process either, which was far more than what the others I spoke with were willing to do. JMH took all the information needed from me right then and there on the initial call. Received a letter a week later with a new court date, that same day I received notification that it was all taken care of. I highly recommend if you want to fight any traffic violation almost hassle free.

    - Natalie N.
  • I’m grateful that I found Wayne to represent me. His years of experience and diligence in his job made me feel comfortable with him. It was a long drawn out process, and he kept me updated and would always make himself available for any questions that I had. I would highly recommend him if you are lucky enough for him to represent you.

    - Barry P.
  • Wayne has been amazing to work with!!! He handled my case professionally, kept me updated on my case very frequently, and always responded to me with urgency. I would 10/10 recommend him to friends/family. Thank you for everything Wayne!!!

    - Rachel F.
  • I’m incredibly grateful for the outstanding legal support I received! Wayne handled my case with professionalism, urgency, and genuine care. From start to finish, he kept me well-informed, answered all my questions, and made sure I felt supported through every step of the process. His communication was consistent, and his knowledge and confidence gave me peace of mind. Not only is he a great attorney—he’s also an all-around great person. I highly recommend him to anyone needing strong, compassionate legal representation.

    - Kierstyn M.
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What Makes Us Different

Why Trust Our St. Louis Criminal Defense Law Firm?

  • One-On-One Attention

    We work directly with you to determine the best possible outcome based on your goals and needs. We then create personalized legal strategies to set your case up for success.

  • Accessibility & Availability

    We pride ourselves on always being available to address any questions you have about your case. With our team, you aren't just a number.

  • Insight From Every Angle

    We have tried these cases from every side of the courtroom, which means we know how the state builds its case — and where it is vulnerable.

  • Experienced Legal Counsel

    The JMH Law Firm, LLC team brings decades of combined criminal law experience. We have the tools, knowledge, and resources to effectively advocate on your behalf.

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Protecting You & Your Future

Serious Defense for Serious Charges in St. Louis

Facing criminal charges is overwhelming. Our team is ready to stand beside you and fight for the best possible outcome.