Deandra Grant Law – Criminal & DWI Defense DWI Brand

McKinney DWI Attorneys

With Offices in Dallas, Fort Worth, Allen, Denton, Waco & Rockwall

Do You Need Legal Help?



    McKinney DWI Attorneys

    With Offices in Dallas, Fort Worth, Allen, Denton, Waco & Rockwall

    Do You Need Legal Help?



      "Deandra Grant Law fights hard for their clients and is always willing to go above and beyond. They are the best firm for DWI cases in DFW and beyond. Definitely hire them to represent you in any pending cases."

      - P. Williams

      "Deandra Grant made a tough situation so much better. She listened to my concerns and helped me so much with my case. I would recommend her to anyone needing legal services."

      - M. Haley

      "Deandra Grant Law handled my case with diligence and professionalism. Deandra Grant's reputation is stellar and now I know why. She has a team of individuals who provide quality service."

      - N. Coulter

      New! AI Legal Avatar — Get 24/7 Answers on Texas DWI Law, Penalties, and Defenses

      Our AI Legal Avatar provides instant, plain-language answers to your questions about Texas DWI laws—like penalties, license suspension, and defense strategies—anytime, day or night. While it's a helpful starting point, it doesn't replace the clarity and advocacy of our experienced DWI attorneys.

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      A Fighting Team On Your Side

      Since 1994 when our doors opened, Deandra Grant Law – Criminal & DWI Defense has helped thousands of clients get their DWI charges reduced or dismissed. We're ready to fight on your behalf.

      Attorney Deandra Grant

      Deandra M. Grant

      Managing Partner

      Douglas E. Huff

      Partner & Criminal Division Chief

      Kevin Sheneberger

      Criminal Trial Division

      Texas Attorney Omar Sherif

      Omar Sherif

      Criminal Trial Division

      Jada Fairley

      Associate Attorney

      Texas Attorney James Lee Bright

      James Lee Bright

      Of Counsel

      DWI Book BG

      Dallas County Criminal Courts Guide
      By Attorney Deandra Grant

      If you’re facing a criminal charge in Collin County, understanding how the local courts work can make the process far less confusing. This guide explains where cases are heard, what each court handles, and what you can expect as your case moves through the system.

      Read Now

      McKinney DWI Attorneys

      If you’ve landed on this page, you’re likely facing a challenging time. A DWI (Driving While Intoxicated) charge in McKinney, TX, can be daunting, and we understand the stress and uncertainty you might be feeling about your future. At Deandra Grant Law – Criminal & DWI Defense, we are committed to helping you navigate this complex situation with compassion and professionalism. We’re here to guide you through every step of the legal process and to pursue the best possible outcome for your case.

      A DWI arrest in McKinney is the beginning of two simultaneous legal proceedings: a criminal case that can result in jail time, fines, and a permanent criminal record, and an administrative case through the Texas Department of Public Safety that can suspend your driver’s license within days. McKinney’s rapid growth has brought increased law enforcement presence on Highway 121, Highway 75, and throughout the city’s expanding road network. The McKinney Police Department and Collin County Sheriff’s Office actively conduct DWI enforcement, particularly along the Highway 121 corridor and in the historic downtown entertainment district.

      At Deandra Grant Law, DWI defense is where our firm was built. Since 1994, lead attorney Deandra Grant has defended thousands of DWI cases across North Texas. Our attorneys hold ACS-CHAL Forensic Lawyer-Scientist designations which is advanced forensic science training that allows us to challenge the prosecution’s evidence at the scientific level, not just at the procedural level.

      In addition, Deandra Grant literally “wrote the book” on DWI defense in Texas: The Texas DWI Manual.

      Deandra Grant Law – Criminal & DWI Defense Helps Residents Across Texas with DWI Defense – Including: Allen , Arlington, Belton, Cleburne, Collin County, Dallas, Denton, Fairview, Fort Worth, Frisco, Gainesville, Granbury, Hood County, Johnson County, Lewisville, Little Elm, Park Cities, Parker County, Plano, Princeton, Richardson, Rockwall, Rowlett, Royse City, Southlake, Sunnyvale, The Colony, Waco, and Weatherford.

      Understanding DWI Charges in McKinney

      In McKinney, TX, being charged with a DWI is a serious matter. Texas law defines DWI as operating a vehicle while intoxicated by alcohol or drugs. The legal limit for blood alcohol concentration (BAC) is 0.08% for drivers aged 21 and older. For commercial drivers, the limit is 0.04%, and for drivers under 21, any detectable alcohol can lead to a charge.

      A DWI charge can result from a variety of situations, such as failing a breathalyzer test or being arrested after showing signs of impairment. The consequences of a DWI conviction in Texas can be severe, including hefty fines, license suspension, and even jail time. The legal process can be intricate, and understanding the potential charges and penalties is crucial.

      Potential Penalties for a DWI Conviction

      The penalties for a DWI conviction in Texas vary depending on factors such as BAC level, prior convictions, and whether any harm was caused. For a first-time offense, the consequences may include a fine up to $2,000, a jail sentence ranging from 3 to 180 days, and a driver’s license suspension for up to one year. A second offense can lead to even harsher penalties, including increased fines, longer jail time, and a longer license suspension.

      If there are aggravating factors, such as a high BAC level or a child passenger in the vehicle, the penalties can be more severe. Additionally, repeat offenders face increased fines and longer sentences, making it essential to address each case with careful consideration.

      The Importance of Hiring a McKinney DWI Attorney

      Navigating the legal system on your own can be overwhelming and risky. An experienced McKinney DWI attorney is crucial for several reasons. First, they can help you understand the charges against you and the potential defenses available. With knowledge of local laws and court procedures, a skilled attorney can provide you with guidance tailored to your specific situation.

      Moreover, a proficient attorney can negotiate with prosecutors on your behalf, aiming for reduced charges or alternative sentencing options. They can also represent you in court, ensuring that your rights are protected throughout the legal process. Having a dedicated attorney can significantly influence the outcome of your case, potentially minimizing the long-term impact on your life.

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      Why the Science Behind Your DWI Matters

      Most DWI defense attorneys challenge DWI cases by arguing that the officer didn’t follow proper procedures — the traffic stop was illegal, the field sobriety tests were administered incorrectly, or the breath test machine wasn’t calibrated. These are valid challenges, and we raise them when they apply.

      But our ACS-CHAL training allows us to go deeper. We challenge the science itself:

      • Blood testing: We understand the gas chromatography with flame ionization detection (GC-FID) methodology used to analyze blood samples, including sources of error such as coelution, contamination, in vitro fermentation by Candida albicans, and improper blood draw procedures
      • Breath testing: We challenge breath test results based on partition ratio variability, mouth alcohol contamination, medical conditions like GERD and diabetes that produce false positives, and the specific limitations of the Intoxilyzer 9000
      • Field sobriety tests: We challenge the administration, scoring, and interpretation of Standardized Field Sobriety Tests based on the NHTSA protocols and the scientific literature on their reliability
      • Retrograde extrapolation: When the prosecution tries to calculate what your BAC was at the time of driving based on a test taken later, we challenge the scientific validity of their math

      DWI Penalties in Texas

      First Offense (Class B Misdemeanor)

      • 72 hours to 180 days in county jail
      • Fine of up to $2,000
      • Driver’s license suspension of 90 days to 1 year
      • Possible ignition interlock device

      First Offense with BAC 0.15+ (Class A Misdemeanor)

      • Up to 1 year in county jail
      • Fine of up to $4,000
      • Mandatory ignition interlock device
      • Permanent conviction — no deferred adjudication available

      Second Offense (Class A Misdemeanor)

      • 30 days to 1 year in county jail
      • Fine of up to $4,000
      • Driver’s license suspension of 180 days to 2 years
      • Mandatory ignition interlock device

      Third Offense (Third-Degree Felony)

      • 2 to 10 years in the Texas Department of Criminal Justice
      • Fine of up to $10,000
      • Mandatory ignition interlock device

      The 15-Day ALR Deadline

      Critical: If you were arrested for DWI in McKinney, you have only 15 days from the date of your arrest to request a hearing to challenge the automatic suspension of your driver’s license. If you miss this deadline, your license will be suspended automatically. Contact us immediately so we can file this request and protect your driving privileges while your case is pending.

      Collin County DWI Courts

      DWI cases arising from McKinney are heard in the Collin County courts at the Russell A. Steindam Courts Building in McKinney. First and second-offense DWIs are typically assigned to one of the seven County Courts at Law, while felony DWI cases are assigned to one of the 15 District Courts. Our attorneys are familiar with the judges, prosecutors, and procedures in every Collin County criminal court.

      Garrett Discovery Digital Forensics Training

      Attorney Douglas Huff has completed advanced digital forensics training with Garrett Discovery, one of the nation’s leading forensic firms. This training is directly applicable to DWI cases that involve cell phone GPS data, dash camera footage, body camera video, and other digital evidence. When the prosecution uses digital evidence to support its DWI case, we have the training to evaluate and challenge it.

      Why Choose Experienced McKinney DWI Attorneys?

      When facing a DWI charge, the stakes are high. A conviction can lead to serious consequences such as hefty fines, potential jail time, a permanent criminal record, and a suspended driver’s license. These outcomes can disrupt your life and future in ways that are difficult to imagine. That’s why choosing a team of experienced McKinney DWI Attorneys is crucial. At Deandra Grant Law – Criminal & DWI Defense, we understand the gravity of these charges and are here to offer you the legal support you need.

      The Importance of Experienced Legal Representation

      Navigating the complexities of a DWI case requires more than just basic legal knowledge. It demands a deep understanding of both court proceedings and administrative processes. At Deandra Grant Law – Criminal & DWI Defense, our experienced McKinney DWI Attorneys are well-versed in handling these intricate matters. We know how to challenge the evidence presented against you and identify any procedural errors that may work in your favor. Our goal is to guide you through each step, from the initial court appearance to any hearings that follow, ensuring you are well-prepared and informed throughout the process.

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      Common Mistakes to Avoid After a DWI Arrest

      If you’ve been arrested for a DWI in McKinney, TX, making informed decisions is crucial. The mistakes you avoid now can greatly affect the outcome of your case.

      Speaking Without Legal Guidance

      After a DWI arrest, it’s tempting to share your side of the story with friends, family, or even the police. However, anything you say can potentially be used against you in court. It’s important to remain silent and refrain from making statements until you’ve consulted with an attorney. This helps ensure that your rights are protected and avoids any unintentional admissions that could harm your case.

      Delaying Legal Representation

      One of the biggest errors individuals make is trying to handle their DWI case without legal representation. Many people think they can manage the situation on their own, but DWI cases can be complex and the consequences severe. Without an experienced McKinney DWI Attorney by your side, you may miss crucial legal protections or options that could benefit your case. A lawyer can provide the necessary guidance and advocate for your best interests throughout the legal process.

      Missing Court Dates and Deadlines

      Failing to attend scheduled court appearances or missing important deadlines can result in additional penalties and complications. It is essential to keep track of all court dates and adhere to any legal obligations. Ignoring these requirements can lead to default judgments or increased charges, which can exacerbate your situation.

      Underestimating the Legal Consequences

      Understanding the full impact of a DWI charge is critical. Many individuals are unaware of the potential legal ramifications, including fines, license suspension, and possible jail time. Consulting with a knowledgeable attorney can provide you with a clear understanding of the charges against you and the best strategies to address them.

      Personalized Support and Guidance

      Every DWI case is unique, and so is our approach to handling it. When you choose Deandra Grant Law – Criminal & DWI Defense, you’re not just hiring a lawyer; you’re gaining a dedicated team that is committed to achieving the best possible outcome for your situation. We take the time to understand the specifics of your case and explore all available options. Our attorneys will work closely with you to craft a strategy tailored to your needs, aiming to reduce or even dismiss the charges against you.

      Frequently Asked Questions About DWI Arrests in McKinney, TX

      After a DWI arrest, it is crucial to remain calm and comply with law enforcement instructions. Avoid making any statements that could be self-incriminating. It is also essential to seek legal representation as soon as possible. An experienced attorney can provide guidance on how to handle the situation and help protect your rights. Additionally, you should arrange for the prompt release of your vehicle from impound if it was towed.

      A DWI conviction can have significant consequences, including fines, license suspension, and possible jail time. Beyond legal penalties, it may impact your employment opportunities, personal relationships, and overall reputation. A conviction can also lead to increased insurance premiums and difficulty in obtaining future loans. It’s important to address these issues with a knowledgeable attorney who can help mitigate the impact on your life.

      In Texas, you have the right to refuse a breathalyzer or field sobriety tests; however, refusal can have legal consequences. Refusing a breathalyzer test may result in an automatic suspension of your driver’s license, and refusal to comply with field sobriety tests can be used against you in court. It is advisable to consult with an attorney to understand the potential consequences and to receive guidance on the best course of action.

      Several defenses may be available depending on the specifics of your case. These can include challenging the legality of the traffic stop, questioning the accuracy of the breathalyzer or blood test results, or arguing that field sobriety tests were improperly administered. Your attorney will review the details of your case to identify the most effective defense strategies.

      An attorney can provide invaluable assistance in a DWI case by analyzing the evidence, challenging the prosecution’s claims, and negotiating with the court for reduced charges or penalties. They can also offer guidance on the legal process, represent you in hearings, and work to achieve the best possible outcome. Having skilled legal representation can greatly influence the direction and result of your case.

      During a DWI court proceeding, you will go through several stages, including an arraignment where you enter a plea, pre-trial motions, and possibly a trial if a plea agreement is not reached. Your attorney will be present to represent you throughout these stages, presenting evidence, cross-examining witnesses, and making arguments on your behalf. It is important to follow your attorney’s advice and be prepared for each step of the process.

      The duration of a DWI case can vary depending on factors such as the complexity of the case, the court’s schedule, and whether a plea deal is reached or a trial is necessary. Some cases may be resolved in a few months, while others might take longer. Your attorney can provide a more accurate estimate based on the specifics of your case and keep you informed throughout the legal process.

      For a first-time DWI offense in Texas, penalties may include a fine, probation, community service, and mandatory alcohol education classes. Additionally, you may face a suspension of your driver’s license and, in some cases, jail time. The severity of the penalties can depend on factors such as your blood alcohol concentration (BAC) and whether any aggravating circumstances were involved. An attorney can help navigate these potential penalties and work towards minimizing their impact.

      Yes, you can apply for driver’s license reinstatement after a DWI suspension, but certain conditions must be met. These typically include completing any required programs, paying fines, and meeting any other court-ordered requirements. Your attorney can assist you in understanding the reinstatement process and ensuring that you fulfill all necessary criteria to regain your driving privileges.

      When seeking a DWI attorney in McKinney, look for a lawyer with experience in handling DWI cases and a track record of successful outcomes. Consider seeking recommendations, reading client reviews, and scheduling consultations to discuss your case. A knowledgeable and dedicated attorney will provide you with the best chance of achieving a favorable result in your case.

      McKinney DWI Client Story

      This client story is for educational purposes only.

      Emily’s day had started like any other. She had been out with friends, enjoying a night that was meant to be carefree. But in a single, unsettling moment, everything changed. A few drinks too many led to flashing lights in her rearview mirror, and before she knew it, Emily was pulled over and arrested for DWI in McKinney, TX.

      Sitting in that cold, harsh cell, Emily felt a sinking feeling in her stomach. The weight of uncertainty and fear was overwhelming. She knew she had made a mistake, but she also knew that she didn’t want this mistake to define her life. Emily’s thoughts raced as she wondered how she would ever move past this, how she would explain it to her family, and what her future would hold.

      Her heart sank even further when she realized the gravity of the situation. A DWI charge was serious and could impact her job, her reputation, and her future. She felt like she was facing an uphill battle alone. But then, she remembered a name that her friend had mentioned: Deandra Grant Law – Criminal & DWI Defense.

      Deandra Grant, a McKinney DWI attorney, came highly recommended. Desperation led Emily to reach out, and she was greeted with warmth and understanding. Deandra’s team made Emily feel like she wasn’t just another case but a person who deserved to be heard and helped.

      From the first meeting, Deandra Grant listened carefully to Emily’s side of the story. She didn’t rush or judge; she took the time to understand what had happened that night. Deandra explained the legal process clearly, easing Emily’s fears with her calm demeanor and deep knowledge of the law.

      Together, they worked on a strategy to fight the charges. Deandra used her experience to find inconsistencies and flaws in the case. She examined every detail, from the traffic stop procedures to the accuracy of the breathalyzer test. Deandra’s thorough work was like a beacon of hope for Emily, guiding her through the confusing and often overwhelming legal system.

      The courtroom was where Deandra truly shined. Her passionate defense and unwavering commitment were evident in every argument she made. She spoke for Emily with conviction and clarity, presenting a compelling case that demonstrated Emily’s innocence.

      As the trial concluded, Emily’s heart pounded with nervous anticipation. The jury’s verdict seemed to stretch out forever. Then came the moment of truth: Not Guilty. The words echoed through the courtroom, and Emily felt an enormous wave of relief and joy. She was free from the charges that had once seemed so heavy.

      Deandra Grant’s experience and dedication had turned what seemed like a dire situation into a fresh start for Emily. She walked out of that courtroom with her head held high, knowing that she had not only escaped a legal burden but had also gained a new perspective on life.

      Contact Deandra Grant Law – Defend Your DWI Case with Science

      If you have been arrested for DWI in McKinney or anywhere in Collin County, contact Deandra Grant Law for a free, confidential consultation. Our attorneys have the scientific training to challenge the prosecution’s breath tests, blood tests, and field sobriety tests at a level most defense attorneys cannot match.

      We offer free consultations to all potential clients. This means you can meet with us, discuss your case, and understand your options without any financial commitment. We are committed to working tirelessly on your behalf to achieve the most favorable resolution possible. Our team of skilled McKinney DWI Attorneys is focused on delivering results that will make a difference in your future.

      Don’t wait to get the legal support you need. Contact Deandra Grant Law – Criminal & DWI Defense today to schedule your free consultation and start building a strong defense. Your future is important to us, and we are here to fight for your rights every step of the way.

      Client Reviews

      “Deandra Grant Law – Criminal & DWI Defense handled my case with diligence and professionalism. Deandra Grant’s reputation is stellar and now I know why. She has a team of individuals who provide quality service.”

      N. Coulter

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