Is a DUI a Felony in California? A San Diego Award-Winning DUI Defense Lawyer Explains

Posted on: July 28th, 2026 by Dod Ghassemkhani, ESQ

Is a DUI a Felony in California? Felony DUI California

Being arrested for driving under the influence is stressful enough, but learning that prosecutors may file felony DUI charges can be life-changing. Unlike a misdemeanor DUI, a felony conviction can expose you to state prison, the permanent loss of certain rights, a felony criminal record, and devastating consequences for your career and future.  The question is a DUI a felony in California?

By Dod Ghassemkhani | Award-Winning San Diego DUI Defense Attorney

Fortunately, not every DUI is a felony. In California, most DUI arrests are prosecuted as misdemeanors. However, certain aggravating circumstances allow prosecutors to elevate a DUI to a felony offense.

If you have been arrested for felony DUI in San Diego, the decisions you make immediately after your arrest can significantly affect the outcome of your case. At Dod Law, our award-winning criminal defense attorneys aggressively defend individuals facing serious DUI allegations throughout San Diego County and Southern California.

Is a DUI Usually a Misdemeanor or a Felony?

For most drivers, a DUI is charged as a misdemeanor.

A first, second, or even third DUI offense generally remains a misdemeanor when:

• No one suffers bodily injury
• You do not have qualifying prior felony DUI convictions
• The incident does not involve a fatal collision
• There are no other aggravating felony allegations

Even if a crash causes significant property damage, prosecutors generally do not file felony charges unless someone is physically injured or another legal factor applies.

However, misdemeanor does not mean minor. A conviction may still result in:

• Jail time
• Driver’s license suspension
• Expensive fines
• DUI education programs
• Increased insurance premiums
• Probation
• Ignition interlock device (IID) requirements

When Does a DUI Become a Felony in California?

California law allows prosecutors to file felony DUI charges under several circumstances.

The most common include:

• A fourth DUI offense within ten years
• A DUI causing injury to another person
• A prior felony DUI conviction
• A DUI collision resulting in death
• Certain prior DUI-related homicide convictions

Each situation carries different legal standards and sentencing exposure.

Does a Fourth DUI Become a Felony?

Yes.

Under California Vehicle Code § 23550, a fourth DUI offense within a ten-year lookback period may be charged as a felony.

The court reviews prior convictions occurring within ten years of the current offense. Prior convictions that may count include:

• Standard DUI convictions
• DUI causing injury
• Wet reckless convictions
• Certain out-of-state DUI convictions

Because prior convictions can dramatically increase penalties, it is critical to have an experienced DUI attorney carefully review your criminal history before accepting any plea offer.

Can a DUI Become a Felony If Someone Is Injured?

Absolutely.

One of the most common felony DUI charges involves accidents where another person suffers bodily injury.

Under California Vehicle Code § 23153, prosecutors generally must prove that:

• You were driving under the influence of alcohol or drugs;
• You violated a traffic law or failed to perform a legal duty while driving; and
• Your actions caused injury to another individual.

The injury does not necessarily have to be catastrophic. Even relatively moderate injuries can support felony DUI charges depending on the circumstances.

Injury cases often become highly contested because prosecutors must establish that the alleged DUI directly caused the victim’s injuries.

Does a Prior Felony DUI Mean Every Future DUI Is Also a Felony?

In many cases, yes.

California follows what many attorneys refer to as the “once a felony, always a felony” rule for DUI offenses.

If you have previously been convicted of a felony DUI under California law, any future DUI arrest may be prosecuted as a felony—even if the previous felony occurred decades ago.

Unlike misdemeanor DUI convictions, which generally use a ten-year lookback period, prior felony DUI convictions can permanently affect how future DUI cases are charged.

Because every prior conviction is unique, it is important to have an experienced San Diego DUI lawyer evaluate your criminal history.

What Are the Penalties for a Felony DUI?

Felony DUI penalties vary depending on the facts of the case and your criminal record.

Potential penalties may include:

• California state prison
• Significant county jail sentences
• Thousands of dollars in fines and assessments
• Multi-year driver’s license revocation
• Habitual Traffic Offender designation
• Formal probation
• Mandatory DUI education programs
• Alcohol or substance abuse treatment
• Installation of an Ignition Interlock Device (IID)

A felony conviction may also impact employment opportunities, professional licenses, housing applications, and future background checks.

Every felony DUI case should be evaluated individually because sentencing enhancements may dramatically increase punishment.

What Are DUI Sentencing Enhancements?

California law allows prosecutors to seek additional prison time when certain aggravating factors exist.

Examples include:

Great Bodily Injury

If another person suffers significant physical injuries, prosecutors may seek a Great Bodily Injury enhancement under California Penal Code § 12022.7.

A successful enhancement can substantially increase a prison sentence.

Multiple Victims

Crashes involving several injured victims may result in multiple sentencing enhancements, increasing both incarceration and financial penalties.

Prior Convictions

Prior DUI convictions often increase minimum penalties and reduce available sentencing alternatives.

An experienced DUI defense attorney can evaluate whether prosecutors have sufficient evidence to support these enhancements.

What Is a Watson Murder Charge?

A fatal DUI accident may result in far more serious criminal charges than felony DUI.

In certain cases, prosecutors pursue second-degree murder, commonly called a Watson Murder.

A Watson Murder charge alleges that the driver:

• Understood that driving under the influence is extremely dangerous;
• Knew their conduct threatened human life; and
• Chose to drive anyway with conscious disregard for that danger.

Many prior DUI offenders receive a judicial advisement warning that future impaired driving resulting in death could lead to murder charges.

If prosecutors believe implied malice can be proven, penalties increase dramatically and may include decades in state prison.

How Can a Felony DUI Affect Your Future?

A felony DUI conviction can affect nearly every aspect of your life long after the criminal case ends.

Potential consequences include:

Permanent Criminal Record

A felony conviction can remain on your criminal history and appear during employment background checks.

Professional Licensing Issues

Doctors, nurses, teachers, contractors, military personnel, commercial drivers, and other licensed professionals may face disciplinary action.

Driver’s License Consequences

The California DMV may suspend or revoke your driving privileges for several years.

Firearm Rights

Felony convictions may result in the loss of firearm ownership rights under both California and federal law.

Immigration Consequences

Non-citizens may face immigration consequences depending on the nature of the offense, prior criminal history, and whether drugs or injuries were involved.

How Are Felony DUI Cases Handled in San Diego?

Felony DUI cases proceed differently than misdemeanor DUI cases.

Most felony DUI prosecutions include:

Arraignment

The defendant appears before a judge, enters a plea, and receives future court dates.

Preliminary Hearing

Unlike misdemeanor cases, felony defendants usually receive a preliminary hearing where the prosecution must establish probable cause.

Superior Court Proceedings

If sufficient evidence exists, the case proceeds toward pretrial motions, negotiations, or trial.

Depending upon eligibility, some defendants may qualify for treatment-based alternatives or diversion-style programs. However, these opportunities are not available in every case and depend on the facts, criminal history, and local court policies.

How Can Dod Law Help?

Felony DUI cases require immediate legal intervention.

At Dod Law, we thoroughly investigate every aspect of your arrest, including:

• Whether the traffic stop was lawful
• Breath and blood test accuracy
• Field sobriety testing
• Police body camera footage
• Dashcam evidence
• Witness statements
• Accident reconstruction
• Constitutional violations
• Prosecutorial weaknesses

Our goal is to pursue dismissals, reduced charges, suppressed evidence, or favorable resolutions whenever possible.

The sooner an experienced attorney becomes involved, the more opportunities may exist to protect your rights and future.

Act Now!  Contact Dod Law Today

A felony DUI charge does not automatically mean a conviction. Every case presents unique facts, legal defenses, and opportunities to challenge the prosecution’s evidence.

If you or someone you love has been arrested for felony DUI in San Diego, contact Dod Law immediately. Our experienced criminal defense attorneys will review your case, explain your options, and aggressively fight to protect your freedom, driving privileges, and future.  Serving San Diego and Southern California.

Frequently Asked Questions

Disclaimer: The information provided in this blog is intended for general informational and educational purposes only and should not be construed as legal advice. Reading this article does not create an attorney-client relationship with Dod Law or Dod Ghassemkhani, Esq. Every criminal case is unique, and the laws, legal principles, and procedures discussed may not apply to your specific circumstances.

You should not act upon or rely on any information contained in this article without first consulting a qualified criminal defense attorney regarding your particular situation. If you have been arrested, are under investigation, or are facing criminal charges in San Diego County and Southern California, contact Dod Law to schedule a confidential consultation with Dod Ghassemkhani, Esq., and receive legal guidance tailored to your case.