When a California DUI becomes a felony
Most California DUI arrests are misdemeanors. Vehicle Code 23152 makes a first, second, or third DUI a misdemeanor, and the vast majority of DUI cases filed in California fall into that category. The path to a felony charge runs through two distinct legal routes: the number of prior DUI convictions within ten years, and whether someone was injured.
Under Vehicle Code 23550, a fourth DUI conviction within ten years is a mandatory felony. The prior convictions include not only Vehicle Code 23152 DUI convictions but also wet reckless convictions under Vehicle Code 23103.5, which count as priorable offenses for the ten-year window. If this is your fourth offense, the DA has no discretion on felony filing. The case will be charged as a felony, and the sentencing range is 16 months to three years in state prison.
The Vehicle Code 23153 wobbler
DUI causing injury under Vehicle Code 23153 is California's primary DUI wobbler. A wobbler is a charge that can be filed as either a misdemeanor or a felony at the prosecutor's discretion. The misdemeanor version of VC 23153 carries a sentencing range of five days to one year in county jail. The felony version carries 16 months to three years in state prison, plus potential enhancements under Penal Code 12022.7 (great bodily injury) that add three to six years per victim.
The DA's decision on whether to charge VC 23153 as a felony or misdemeanor depends on several factors: the severity of the injury, whether the injury is clearly documented in medical records and the police report, the defendant's prior criminal and DUI history, the BAC level, and the charging policies of the local DA's office. A soft-tissue injury with minimal medical documentation in a first-offense DUI case is more likely to be charged as a misdemeanor wobbler. A broken bone, a hospitalization, or a serious accident with a high BAC and a prior DUI is significantly more likely to be charged as a felony.
What the DA actually considers when charging
The charging decision happens before arraignment, typically within 48 to 72 hours of arrest for in-custody defendants and within three years (the statute of limitations) for out-of-custody cases. The deputy DA reviews the police report, any injury documentation available, and the defendant's criminal history. This is the moment when the felony vs. misdemeanor designation is initially set. Challenging or changing that designation after arraignment requires either a negotiated plea or a Penal Code 17(b) motion to reduce the charge, which is harder than shaping the initial charge before arraignment.
County DA offices are not uniform. Some offices, particularly in urban counties with high case volume, have charging guidelines that specify when injury DUI must be filed as a felony. Others leave more discretion to the individual deputy DA. Defense counsel who has a relationship with the local DA's office and who can present favorable facts before arraignment can sometimes influence the initial charging decision. This is one reason the period between arrest and arraignment matters more than most defendants realize.
Penal Code 17(b) and felony reduction
Even after a felony is charged, the case is not necessarily resolved as a felony. Penal Code 17(b) allows a judge to reduce a wobbler felony to a misdemeanor, either at sentencing or on a separate motion. This reduction can happen as part of a plea negotiation or after a conviction. A 17(b) reduction means the conviction is treated as a misdemeanor for all purposes, including expungement eligibility and future charging enhancements. Not all wobblers are reducible in practice: the judge has discretion, the prosecution can object, and the facts of the case matter. But PC 17(b) is a real tool that skilled defense counsel uses regularly in DUI causing injury cases.
What this checker covers and what it does not
This checker analyzes whether felony or misdemeanor charging is the likely path given your facts. It covers the VC 23550 prior-DUI threshold, the VC 23153 wobbler analysis, injury severity, and county DA practice. It is informational only. The actual charging decision is made by the DA based on the police report contents, injury documentation, and the specific deputy DA assigned. Defense counsel who reviews the actual file can often materially influence the outcome in ways that a general analysis cannot capture.
The free written report we email back gives you a calibrated assessment of your charging risk, explains the specific legal triggers that apply to your facts, and tells you the concrete steps to take before arraignment. If injury is involved, those steps are time-sensitive.