San Jose Felony DUI Lawyer
A felony DUI charge can expose you to substantially more serious consequences than a standard misdemeanor DUI. If you have been charged with felony DUI in San Jose or elsewhere in Santa Clara County, the details of the prior convictions, alleged injuries, chemical testing, and circumstances of the arrest can all matter.
Knight Justice represents clients facing serious DUI charges in San Jose and throughout Santa Clara County. Call Nana Knight at (408) 877-6177 for a case evaluation.
What Makes a DUI a Felony in California?
Not every DUI is a felony. California law provides several circumstances in which a DUI-related offense can be prosecuted as a felony or treated as a felony-level offense.
One important category involves DUI causing injury under Vehicle Code §23153. California law addresses driving under the influence while committing an act or neglecting a duty in driving that proximately causes bodily injury to another person. The statute contains separate provisions addressing alcohol, drugs, and other circumstances.
Another category involves certain repeat DUI convictions. Under Vehicle Code §23550, a person convicted of a DUI offense within 10 years of three or more qualifying prior violations resulting in convictions may face felony punishment.
The exact classification of a DUI depends on the charge, prior convictions, alleged injuries, and other facts.
Felony DUI With Injury
A DUI involving an injury can be substantially more serious than an ordinary DUI.
California Vehicle Code §23153 addresses DUI causing bodily injury to another person. The prosecution may need to establish both the DUI-related conduct and the required connection between the defendant’s driving and the alleged injury.
A defense investigation may examine:
- How the collision occurred
- Whether the defendant was actually impaired
- The reliability of alcohol or drug testing
- Whether the alleged injury was caused by the defendant’s driving
- Accident reconstruction evidence
- Witness statements
- Police reports
- Body-camera or surveillance footage
- Medical records and injury evidence
- The timing of chemical testing
- Prior DUI convictions
Felony DUI With Prior Convictions
Prior DUI convictions can significantly affect how a new DUI is charged and punished.
California’s repeat-offender provisions generally look at qualifying convictions occurring within specified periods. The date and nature of prior convictions can therefore be important when determining whether a current DUI qualifies for felony treatment.
A defense attorney should review the actual prior convictions rather than relying solely on a criminal-history summary.
Questions may include:
- What were the prior charges?
- Were they convictions?
- When were the convictions entered?
- Did the prior offenses qualify under the applicable statute?
- Was the defendant represented by counsel?
- What sentence was imposed?
- Are there factual or legal issues concerning the prior convictions?
What Are the Penalties for Felony DUI?
The potential consequences depend on the specific felony DUI statute and the circumstances of the case.
For example, California’s 2026 DUI punishment overview identifies DUI with injury under Vehicle Code §23153 as a “wobbler” for certain first and second offenses, while a third or subsequent DUI with injury is identified as a felony under the applicable provisions.
Potential consequences can include:
- State prison exposure
- County jail
- Fines
- Probation
- DUI education requirements
- Ignition-interlock requirements
- Loss or restriction of driving privileges
- Restitution
- A felony criminal record
The actual consequences depend on the charged offense, prior convictions, injuries, plea or trial outcome, and sentencing law applicable to the case.
How a Felony DUI Defense Attorney Investigates the Case
A felony DUI defense should begin with a detailed review of the evidence.
Traffic Stop
Was there a lawful basis for the initial traffic stop?
DUI Investigation
What did the officer observe before administering field sobriety tests or requesting chemical testing?
Chemical Testing
Was the breath or blood evidence collected, handled, analyzed, and documented appropriately?
Accident Evidence
If the case involves an injury collision, accident reconstruction and medical evidence may be critical. Read more about defending you in a DUI accident.
Prior Convictions
If the prosecution relies on prior DUI convictions, the defense should examine the underlying records and determine whether they qualify under the applicable enhancement or felony provision.
Police Reports and Video
Body-camera footage, dash-camera footage, surveillance video, photographs, and witness statements can provide evidence that is not apparent from the charging document alone.
Can a Felony DUI Be Reduced to a Misdemeanor?
In some cases, the ultimate resolution of a DUI charge can be different from the original charge.
Whether a felony can be reduced depends on the specific statute, evidence, prior convictions, injuries, prosecution position, and circumstances of the case.
There is no automatic reduction available simply because someone hires an attorney.
A defense lawyer can evaluate the evidence and determine whether negotiations, motions, or trial strategy may be appropriate.
Felony DUI in San Jose and Santa Clara County
Felony DUI cases can involve both criminal court proceedings and separate DMV consequences.
If you were arrested in San Jose, Santa Clara, Milpitas, Mountain View, Sunnyvale, or elsewhere in Santa Clara County, the location of the arrest may affect where the criminal case proceeds.
The DMV matter is separate from the criminal prosecution, so someone facing a felony DUI should pay attention to both proceedings.
Why Hire a Felony DUI Defense Lawyer?
Felony DUI cases can involve complicated evidence, prior-conviction issues, injury allegations, and potentially significant sentencing exposure.
When evaluating a defense attorney, consider whether the attorney:
- Regularly handles DUI cases
- Handles felony criminal defense
- Understands California DUI testing
- Can investigate accident evidence
- Understands prior-conviction enhancements
- Can address both criminal and DMV issues
- Will personally explain the evidence and potential defenses
Nana Knight is a former prosecutor who represents clients facing criminal charges in San Jose and Santa Clara County.
Felony DUI FAQs
Is a fourth DUI a felony in California?
A fourth DUI can be punished as a felony when the applicable statutory requirements concerning prior qualifying convictions are satisfied. California Vehicle Code §23550 addresses certain DUI convictions occurring within 10 years of three or more qualifying prior violations resulting in convictions.
Is DUI causing injury a felony?
A DUI causing injury can be charged under Vehicle Code §23153, but whether the resulting offense is treated as a felony depends on the applicable statute and the defendant’s prior record.
Can a felony DUI be dismissed?
A dismissal is not automatic. The potential resolution depends on the evidence, legal issues, prior convictions, and circumstances of the case.
What happens to my license after a felony DUI arrest?
A DUI arrest can create a separate DMV proceeding involving your driving privilege. The criminal case and DMV proceeding should be treated as separate matters.
Contact a California Felony DUI Lawyer
If you are facing felony DUI charges, do not assume that the arrest determines the outcome of the case.
Call Nana Knight at (408) 877-6177 to discuss your case with Knight Justice.
For San Jose DUI representation, see our San Jose DUI Lawyer page.
