--- title: "Felony DUI (4th offense / prior felony DUI)" description: "VC 23550 covers a 4th DUI in 10 years; VC 23550.5 covers any DUI after a prior felony DUI. Learn penalties, priors, and defenses." url: "https://www.thehfirm.com/penal-codes/vc-23550-23550-5-felony-dui-4th-offense-prior-felony-dui" site: "H Law Group" --- # Felony DUI (4th offense / prior felony DUI) VC 23550 covers a 4th DUI in 10 years; VC 23550.5 covers any DUI after a prior felony DUI. Learn penalties, priors, and defenses. Topics: DUI, Vehicle Code A DUI conviction in California stops being an automatic misdemeanor once your record catches up with you. [Vehicle Code 23550](https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=23550.&lawCode=VEH) turns a fourth DUI-related conviction within 10 years into a wobbler, chargeable as a felony. [Vehicle Code 23550.5](https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=23550.5.&lawCode=VEH) reaches further: if you have even one prior felony DUI conviction anywhere on your record, any new DUI can be charged as a felony again, regardless of how many years have passed since the last one. ## What Do VC 23550 and 23550.5 Actually Say? > A person who is convicted of a violation of Section 23152 or 23153 shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code, or in a county jail for not less than 180 days nor more than one year, and by a fine of not less than three hundred ninety dollars ($390) nor more than one thousand dollars ($1,000), if the offense occurred within 10 years of three or more separate violations of specified DUI-related offenses that resulted in convictions. That is VC 23550, the fourth-offense-within-10-years statute. VC 23550.5 covers a separate situation: a subsequent VC 23152 or 23153 conviction where the defendant has a prior felony conviction under VC 23152, VC 23153, VC 23550, VC 23550.5, Penal Code 191.5(a), Penal Code 191.5(b) as a felony, or Penal Code 192.5(a). Unlike VC 23550, this statute carries no 10-year lookback limit. A felony DUI prior counts no matter how old it is. ## Which Prior Convictions Count? For the fourth-offense count under VC 23550, qualifying priors generally include: - A prior VC 23152 conviction (any subsection, alcohol or drugs) - A prior VC 23153 conviction (DUI causing injury) - A prior wet reckless conviction under VC 23103.5, when the original charge was a DUI - Out-of-state convictions for offenses that would qualify under California law The count runs from the violation dates, not the conviction dates, and all four qualifying offenses (the three priors plus the current one) must fall within the same 10-year window for VC 23550 to apply. ## Wobbler: Felony or Misdemeanor, Prosecutor's Call Both VC 23550 and 23550.5 are wobblers. The district attorney decides whether to file the case as a felony or a misdemeanor, weighing your criminal history, the facts of the current offense (BAC level, whether anyone was hurt, whether you refused testing), and any mitigating circumstances your attorney raises before or at arraignment. This is one of the few points in a DUI case where advocacy before charges are formally set can change the entire trajectory of the case. ## Penalties for a Felony DUI Conviction If filed and convicted as a felony, sentencing under Penal Code 1170(h) follows the standard felony triad: 16 months, 2 years, or 3 years, served in county custody under California's realignment framework for most DUI defendants who do not have separate violent or serious felony history. The statute also allows a straight county jail sentence of 180 days to one year in cases resolved as misdemeanors, plus a fine of $390 to $1,000 before penalty assessments, which typically multiply the total significantly. Beyond custody and fines, a felony DUI conviction brings: - DMV revocation of driving privileges, separate from the criminal sentence - Mandatory surrender of your driver's license to the court - Designation as a Habitual Traffic Offender for three years following conviction - A felony conviction on your permanent record, with all the collateral consequences that carries for employment, professional licensing, and firearm rights ## Why a Felony Conviction Follows You Differently Than a Misdemeanor A misdemeanor DUI is eligible for expungement under Penal Code 1203.4 once probation is complete. A felony DUI conviction is harder to clear, and even where relief is available, the felony still counts as a prior for any future DUI charged under VC 23550.5, indefinitely. That is the core difference between the two statutes: VC 23550 has a 10-year window that eventually closes, while VC 23550.5 does not. ## Common Defenses to a VC 23550 or 23550.5 Charge - **Challenging the priors themselves**: A prior conviction that was itself constitutionally defective, for example, one where you were not properly advised of your rights, may not be usable to enhance the current charge. - **Disputing whether a prior qualifies**: Out-of-state convictions and older wet reckless pleas do not always meet the statutory definition of a qualifying prior. - **Attacking the current DUI case on its own merits**: The same defenses available in any DUI case, the legality of the stop, test accuracy, rising blood alcohol, apply here. If the current charge does not hold up, the prior-conviction enhancement has nothing to attach to. - **Negotiating the filing decision**: Because these are wobblers, presenting mitigating evidence to the DA before or shortly after filing can sometimes keep the case at the misdemeanor level. ## Related DUI Charges - **VC 23152: **The base DUI statute (alcohol, drugs, or both) - [**VC 23153: **](/penal-codes/vehicle-code-23153-vc-dui-causing-injury)[DUI causing injury, itself a wobbler](/penal-codes/vehicle-code-23153-vc-dui-causing-injury) - [**VC 23577 / 23578: **](/penal-codes/vc-23577-23578-dui-enhancements-bac-015-test-refusal)[Sentencing enhancements for a high BAC or test refusal that can stack on top of a felony DUI sentence](/penal-codes/vc-23577-23578-dui-enhancements-bac-015-test-refusal) - [**Penal Code 191.5: **](/penal-codes/pc-191-5-gross-vehicular-manslaughter-while-intoxicated-wat)[Gross vehicular manslaughter while intoxicated (Watson murder), the most serious escalation of a DUI case](/penal-codes/pc-191-5-gross-vehicular-manslaughter-while-intoxicated-wat) ## Frequently Asked Questions ### Is a fourth DUI automatically a felony? No. VC 23550 is a wobbler. Prosecutors decide whether to file it as a felony or a misdemeanor based on your record and the facts of the case. ### Does VC 23550.5 apply even if my prior felony DUI was 15 years ago? Yes. Unlike VC 23550, which requires all qualifying offenses within a 10-year window, VC 23550.5 has no lookback limit. A prior felony DUI conviction counts no matter how long ago it happened. ### What is the difference between VC 23550 and VC 23550.5? VC 23550 applies when you have three or more qualifying DUI-related convictions within 10 years, none of which need to be felonies. VC 23550.5 applies when you have any prior felony DUI or related felony conviction on your record, with no time limit. ### Can a felony DUI be reduced to a misdemeanor? It is possible in some cases, particularly through negotiation before charges are filed or, in limited circumstances, through a later petition to reduce a wobbler under Penal Code 17(b). Whether reduction is available depends heavily on the specific facts and criminal history involved. ### Will I go to state prison for a felony DUI conviction? A felony sentence under Penal Code 1170(h) is typically served in county jail rather than state prison for most DUI defendants without separate violent or serious felony history, though the length of custody can still be substantial. ## Facing a Felony DUI Charge in California? A fourth DUI or a case charged under VC 23550.5 carries consequences that go far beyond a standard first offense. Whether the case gets filed as a felony often depends on what your attorney presents to the prosecution before charges are finalized. Contact us today for a free consultation to discuss your case and your options. ## Related California penal codes - [California Vehicle Code 23152(a) - DUI of Alcohol: Laws, Penalties & Defenses](https://www.thehfirm.com/penal-codes/vehicle-code-23152-a-driving-under-the-influence) - [Vehicle Code 23153 VC - DUI Causing Injury](https://www.thehfirm.com/penal-codes/vehicle-code-23153-vc-dui-causing-injury) - [PC 191.5 - Gross Vehicular Manslaughter While Intoxicated](https://www.thehfirm.com/penal-codes/pc-191-5-gross-vehicular-manslaughter-while-intoxicated-wat) --- ## Contact H Law Group - Phone: (888) 499-4948 (phones answered 24/7) - Email: info@thehlawgroup.com - Free consultation: https://www.thehfirm.com/free-consultation - Contact form: https://www.thehfirm.com/contact-us ### Offices - Los Angeles Branch: 714 W Olympic Blvd Ste, 803, Los Angeles, CA 90015 -- (213) 985-4431 - San Diego Branch: 600 W Broadway, Suite 700, San Diego, CA 92101 -- (619) 716-0968 - San Jose Branch: 333 W San Carlos St, San Jose, CA 95110 -- (408) 869-6572 - Orange County Branch: 2030 Main St, # 1300, Irvine, CA 92614 -- (949) 832-8057 - Riverside County Office: 41593 Winchester Rd, Suite 200, Temecula, CA 92590 -- (951) 418-3576 - Santa Barbara Branch: 1117 State St, Santa Barbara, CA 93101 -- (888) 499-4948 ### Disclaimer This website provides general legal information only and does not create an attorney-client relationship. 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