The criminal and social consequences of a conviction for driving under the influence (DUI) in Philadelphia can affect you and your entire family. You might face jail or prison time, loss of employment, and lasting damage to your reputation.
You do not have to deal with the aftermath of a DUI arrest on your own. Our Philadelphia DUI lawyer is familiar with local laws and how to build a defense against these charges. Call McKenzie Law Firm, P.C., 24/7 and find out what our Philadelphia criminal defense attorney can do for you. We never charge surprise fees.
When you are fighting for your rights and a favorable resolution to DUI charges, hiring our team to support you can provide many benefits. We are familiar with the legal system and the laws in our state. In defense of your case, we can:
Once you hire us, our Philadelphia DUI attorney makes sure you can reach us when you need us. Our clients have access to Attorney David McKenzie via email, text, phone calls, and through our social media channels. We do this to give you peace of mind and make it easy for you to stay up to date on the progress of your case. Our goal is to keep you informed as we negotiate and act in your defense.
A DUI charge doesn’t automatically mean jail time, a suspended license, or a permanent record. We work to reduce or dismiss charges whenever the facts allow, drawing on every strategy available to protect your driving privileges and your freedom. Every result depends on the specific circumstances involved, and we’ll walk you through what’s realistic for your case. We will give you a clear explanation of your options, so you always know where things stand and what comes next.
How a Former Prosecutor’s Perspective Strengthens Your Defense
Attorney McKenzie’s experience as a former criminal prosecutor gives him valuable insight into how DUI cases are evaluated behind the scenes. He understands the factors prosecutors consider when deciding which charges to pursue, which evidence they rely on most, and how they approach negotiations.
This perspective helps identify weaknesses in the Commonwealth’s case, from procedural errors to inconsistencies in officer reports. It also allows for strategic planning, anticipating how the prosecution might respond to certain defenses. By knowing what to expect and how prosecutors typically think, David can develop a more precise and focused defense for our clients.
Founded in 2010, McKenzie Law Firm, P.C., has built our reputation on personalized service, compassionate representation, and strong legal advocacy. We maintain a strict policy of transparency in legal fees, so clients never face unexpected costs as their cases progress. Our team even answers calls 24/7 so clients always know they have support when they want it.
Call today to learn more about what we can offer.
Every DUI case is different, and we take the time to understand each client’s background, concerns, and goals. The defense strategy is never one-size-fits-all. Instead, we evaluate:
Character letters, employment records, and participation in counseling can strengthen the defense during negotiations.
The decisions made immediately after a DUI arrest can have long-lasting consequences. Without an experienced attorney, individuals may inadvertently waive important rights or misunderstand the options available to them. Early legal intervention helps preserve evidence, challenge procedural missteps, and position the case for the best possible outcome.
Our DUI lawyer understands the unique practices of nearby courts, judges, and prosecutors. Knowledge of these local dynamics can influence legal strategy and help our attorney advocate from a better position. Choosing the right lawyer ensures that someone knowledgeable, prepared, and committed is fighting to protect your future.
A DUI case in Pennsylvania involves more than measuring a driver’s BAC. State law allows police and prosecutors to pursue charges based on impairment alone, even when someone’s BAC is below the legal limit. This means that an officer’s observations of the driver’s actions, such as slurred speech, difficulty following instructions, or unsafe driving behavior, can still result in a DUI accusation.
75 Pa. C.S.A. § 3802 recognizes both “general impairment” DUIs and “per se” DUIs:
Understanding which standard applies is essential because each category carries different potential consequences and requires its own defense approach.
A DUI charge may also be influenced by factors such as:
Something as minor as an equipment violation or momentary swerving can become part of the prosecution’s case. Because Pennsylvania’s DUI statutes are highly technical, having a defense attorney who can analyze every detail is critical to protecting your rights.
If you are convicted of DUI in Philadelphia, the punishment the state might impose varies according to certain factors. According to the Pennsylvania Department of Transportation (PennDOT), per se DUI is divided into three categories based on blood alcohol content (BAC) level, with each category having its own potential penalties.
At this level, some charges fall under an ungraded misdemeanor. Penalties can vary depending on the circumstances of the case and whether you have previous DUI offenses on your record, so it’s important to speak with a lawyer about how the law may apply to your situation. Possible penalties include:
These penalties can lead to financial hardship and limit your ability to transport yourself and your family. It can also interrupt or damage your career and threaten your future aspirations.
As the BAC increases, so do the penalties a judge might impose in the form of fines and incarceration. Possible penalties at this level include:
As shown, penalties for a high-BAC DUI become more serious with each offense.
At this highest level, the potential consequences are more costly and severe. They include lengthier sentences and higher fines, as follows:
The DUI lawyer from our firm can help you understand the severity of the charges you face and fight to limit their impact on your social and professional life. We may be able to lessen the degree of your charges, preserve your driving privileges, and avoid forced alteration of your vehicle.

A DUI investigation typically begins with a traffic stop or officer response to an accident. Once the officer approaches the vehicle, they evaluate the driver for signs of impairment, including behavior, speech, and physical coordination. What may feel like a routine interaction can quickly escalate into a more serious investigation.
Administering a Field Sobriety Test
If the officer believes further evaluation is necessary, they may administer field sobriety tests. These tests are intended to assess balance, coordination, and cognitive function. However, these tests can be influenced by the following:
Officers are trained to document everything they observe, and those details often become part of the evidence used in court.
Probable Cause for Arrest
If the officer determines there is probable cause for arrest, the driver is taken into custody. This usually involves transportation to a police station or medical facility for chemical testing. The administrative steps that follow include:
These steps can be overwhelming, especially for someone who has never been arrested before.
Booking and Detention in Philadelphia
The booking process typically takes place at the police district where the arrest occurred or at the Police Detention Unit. If bail is not set and paid right away, the individual may be held until their preliminary arraignment at a Philadelphia Department of Prisons facility, such as:
Bail can be paid at the Criminal Justice Center or, on weekdays, directly at the Curran-Fromhold Correctional Facility.
Rather than appearing in person, most defendants have their preliminary arraignment conducted by closed-circuit video from the Criminal Justice Center at 1301 Filbert Street, where a Philadelphia Municipal Court judge reviews the charges, addresses bail, and sets the date for the preliminary hearing.
Understanding what to expect during each stage can help reduce the fear and uncertainty that many people feel in the hours following an arrest.
Following the preliminary arraignment, the case moves to a preliminary hearing in Philadelphia Municipal Court, an important stage where the defense can begin challenging the prosecution’s evidence. Although this hearing does not determine guilt or innocence, it can significantly influence the direction of the case. If the charges are held for court, the case is transferred to the Philadelphia Court of Common Pleas for a formal arraignment, where the charges are read again, and the defendant enters a plea.
The discovery phase follows. During this period, the defense reviews the evidence turned over by the Philadelphia District Attorney’s Office, which may include:
Identifying inconsistencies or procedural errors can lead to negotiations aimed at reducing or dismissing charges.
Most DUI cases in Philadelphia involve a pretrial conference, sometimes referred to locally as a call of the list, where both sides discuss potential resolutions before a trial date is set. DUI trials at this level are heard by a Philadelphia Municipal Court judge rather than a jury. If the prosecution cannot prove impairment or an unlawful BAC beyond a reasonable doubt, the charges will not result in a conviction. Throughout the process, having a defense attorney who keeps you informed, answers questions promptly, and prepares you for each stage can make a challenging experience far more manageable.
In some circumstances, individuals charged with DUI may qualify for alternatives to traditional sentencing.
Accelerated Rehabilitative Disposition
One commonly discussed program is Accelerated Rehabilitative Disposition (ARD). In Philadelphia, admission into ARD is decided by the Pretrial Division of the Philadelphia District Attorney’s Office, not the court, so having a Philadelphia ARD program attorney who can advocate for your acceptance matters.
While there is no guarantee of acceptance, ARD provides certain first-time offenders with an opportunity to complete treatment, community service, or education programs, often with a shorter license suspension than a conviction would carry, in exchange for the potential to have the charges eventually dismissed and the record expunged.
General Treatment-Focused Resolutions
Philadelphia courts also offer treatment-focused resolutions that prioritize rehabilitation over punishment. In appropriate cases, participation in voluntary counseling or alcohol treatment programs may demonstrate a commitment to change and support the defense during negotiations. Other alternatives, such as community service, house arrest, or work release, may be considered, depending on the facts of the case and the policies of the local court.
DUI Treatment Court
Philadelphia also operates a DUI Treatment Court for second- and third-time offenders referred by the District Attorney’s Office. The program combines incarceration, community-based treatment, probation, and judicial supervision over about a year, though unlike ARD, it does not lead to expungement.
Exploring all available options with the team at McKenzie Law Firm, P.C., can help reduce the impact of a DUI charge and preserve important opportunities for the future. Call us 24/7 to get started on your defense.
The consequences of a DUI reach far beyond fines or potential jail time. A conviction can create significant obstacles that disrupt daily routines and long-term plans:
The emotional impact can be equally serious. Stress, embarrassment, and concern for the future are common among individuals facing DUI charges. Having an attorney who not only understands the legal system but also supports the client through these hardships can make an important difference in navigating this difficult time.
Collateral Consequences Not Part of Court-Imposed Penalties
A DUI conviction often triggers consequences that courts do not directly impose. Insurance companies may reevaluate coverage, and premiums can change significantly. Individuals may also face challenges finding rental housing or securing certain types of loans, as landlords and lenders frequently consider criminal history.
Travel can also become complicated. Some countries place restrictions on visitors with DUI convictions, potentially disrupting personal or professional plans. Those involved in custody or child welfare matters may find that a DUI raises questions about judgment or reliability, even when the case did not involve children.
These collateral consequences highlight why it is so important to approach DUI charges with a strong legal strategy from the start. The effects can extend well into the future, making early intervention essential.
Will I have to appear in court for every hearing?
Not always. Whether you must appear in court depends on the type of hearing, the judge’s expectations, and the specific circumstances of your case. Some preliminary or administrative hearings may allow your attorney to appear on your behalf, while others, such as certain pretrial conferences or a trial, typically require your presence.
Your attorney will advise you ahead of time so you know exactly when you must attend and what to expect at each stage. Clear communication ensures that you never miss a mandatory appearance or find yourself unprepared.
What happens if I refused a breath or blood test?
Refusing chemical testing in Pennsylvania triggers the state’s implied consent laws. Even though refusal is not a criminal offense, it can lead to significant administrative consequences through PennDOT. These consequences may include a license suspension that is separate from any DUI charges filed against you. Any appeal of that suspension is handled through Philadelphia Traffic Court, a separate process from the criminal case itself.
Additionally, prosecutors may still pursue a DUI case based on officer observations, driving behavior, and other evidence of impairment. An attorney can evaluate whether the refusal was handled correctly and explore defenses based on procedure, communication, or testing protocols.
Can out-of-state drivers be charged with DUI in Philadelphia?
Yes. If you are licensed in another state but are stopped and arrested for DUI in Philadelphia, you can still face Pennsylvania DUI charges. Your home state may also take separate administrative action against your license depending on its own laws and whether it participates in interstate reporting systems. This can create a confusing situation for out-of-state drivers, as two different jurisdictions may become involved.
Working with the Philadelphia DUI attorney at McKenzie Law Firm, P.C., can ensure you understand the charges, the potential consequences, and how the case may affect your driving privileges back home.
Do not hesitate to call a legal representative if you want help fighting back after a DUI arrest. Our Philadelphia DUI lawyer can guide you through the complexities of the legal system.
An arrest does not have to derail your entire life. Find out how hard our firm can fight for you by contacting the team at McKenzie Law Firm, P.C., today. Our staff is available 24/7. Call now to start getting your life back on track and looking forward to a brighter future.






