A third DUI in Florida carries penalties that depend almost entirely on timing. If the offense falls within 10 years of a prior DUI conviction, it becomes a third-degree felony punishable by up to five years in prison, a mandatory minimum of 30 days in jail, fines up to $5,000, and a 10-year driver’s license revocation.1Justia Law. Florida Statutes 316.193 – Driving Under the Influence; Penalties If more than 10 years have passed since your last conviction, the third offense is a first-degree misdemeanor with up to 12 months in jail and $2,000 to $5,000 in fines. Either way, the conviction is permanent. Florida has no mechanism to expunge or seal a DUI.
The 10-Year Rule Decides Almost Everything
The lookback window is the single most important fact about your case. A third offense inside 10 years of any prior DUI conviction is a third-degree felony.1Justia Law. Florida Statutes 316.193 – Driving Under the Influence; Penalties That means prison exposure instead of county jail, a decade without a license instead of months, and a permanent felony record with all the collateral consequences that follow.
Outside the window, the same third arrest is charged as a first-degree misdemeanor. The maximum jail sentence is 12 months. You avoid the felony label, but the conviction still counts against you for any future offense, and it still stays on your record for life.
Jail Time and Fines
Felony Version (Within 10 Years)
As a third-degree felony, the maximum prison sentence is five years.2The Florida Legislature. Florida Code 775.082 – Penalties; Applicability of Sentencing Structures; Mandatory Minimum Sentences for Certain Reoffenders Previously Released From Prison The court must impose at least 30 days in jail, and at least 48 of those hours must be served consecutively.1Justia Law. Florida Statutes 316.193 – Driving Under the Influence; Penalties Fines can reach $5,000 before court costs and surcharges are added.
Misdemeanor Version (Outside 10 Years)
Fines run $2,000 to $5,000 and the maximum jail sentence is 12 months.1Justia Law. Florida Statutes 316.193 – Driving Under the Influence; Penalties The 30-day mandatory minimum and the 48-consecutive-hour rule apply only to the felony version.
Enhanced Penalties
Two factors push the minimum fine higher. If your blood-alcohol or breath-alcohol level was 0.15 or above, or if a passenger under 18 was in the vehicle, the mandatory minimum fine on a third or subsequent conviction rises to $4,000.3The Florida Legislature. Florida Statutes 316.193 – Driving Under the Influence; Penalties The five-year prison ceiling still applies on top.
License Revocation and the Hardship Path
A third DUI within 10 years triggers a mandatory license revocation of at least 10 years.4Florida Senate. Florida Statutes 322.28 – Period of Suspension or Revocation The revocation does not simply expire. You have to petition the Department of Highway Safety and Motor Vehicles for reinstatement and meet several conditions before you drive again.
After serving two years of the revocation, you can apply for a restricted hardship license limited to business and employment purposes. To qualify, you must have been completely drug-free and not driven for at least 12 months before petitioning, and you must have completed the DUI substance abuse education course.5Florida Senate. Florida Statutes 322.271 – Authority of Department to Modify Revocation, Cancellation, or Suspension Order If approved, a licensed DUI program supervises you for the remainder of the revocation period, with in-person reporting at least three times a year at your expense.
Vehicle Impoundment and Ignition Interlock
The court must order every vehicle you own impounded or immobilized for 90 days. That period cannot overlap with any jail time; the clock starts after your release.3The Florida Legislature. Florida Statutes 316.193 – Driving Under the Influence; Penalties
Once you qualify for a permanent or restricted license, an ignition interlock device is required on every vehicle you own or regularly drive for at least two years.1Justia Law. Florida Statutes 316.193 – Driving Under the Influence; Penalties You pay installation, monthly monitoring, and calibration out of pocket, typically $70 to $150 per month. Over two years, expect $2,000 to $4,000 for interlock costs alone.
Probation, DUI School, and Community Service
Every DUI conviction in Florida includes monthly reporting probation and a required substance abuse course through a state-licensed DUI program, which includes a psychosocial evaluation and referral to treatment if warranted.3The Florida Legislature. Florida Statutes 316.193 – Driving Under the Influence; Penalties Probation for a third-degree felony can run up to five years. At least 50 hours of community service is a standard condition. Violate any term of probation and you can be brought back to court facing the balance of your maximum sentence.
When a Third DUI Becomes Something Worse
If the offense involved a crash causing serious bodily injury, prosecutors can elevate the charge to a second-degree felony DUI carrying up to 15 years in prison. A DUI causing death can be prosecuted as DUI manslaughter, a second-degree felony with a mandatory minimum of four years in prison. Leaving the scene of a fatal DUI crash becomes a first-degree felony with a mandatory minimum of four years and a maximum of 30.
Refusing a Breath Test
Driving on Florida roads means you have already consented, by law, to breath, blood, or urine testing when an officer lawfully requests it. Refusing a breath test when your license was previously suspended for a prior refusal is itself a first-degree misdemeanor, chargeable separately from the DUI.6Florida Senate. Florida Statutes 316.1932 – Tests for Alcohol, Chemical Substances, or Controlled Substances; Implied Consent; Refusal A second or subsequent refusal also triggers an 18-month administrative license suspension on top of any court-imposed revocation. Refusal does not block prosecution. Officers regularly secure DUI convictions using observations, field sobriety evidence, and witness testimony.
FR-44 Insurance
Before you can reinstate your license, you must file an FR-44 certificate of financial responsibility with the DHSMV and maintain it for three years after the revocation ends. The FR-44 requires far higher liability coverage than Florida’s standard minimums: $100,000 per person for bodily injury, $300,000 per accident for bodily injury, and $50,000 for property damage.7The Florida Legislature. Florida Statutes 324.023 – Financial Responsibility; Proof of Financial Responsibility Required Florida’s baseline minimum is $10,000/$20,000/$10,000, so you carry ten times the normal bodily injury limits.
Premiums with FR-44 requirements typically climb 200 to 300 percent. Someone paying $1,500 a year before the DUI should expect $4,500 to $6,000 annually across the three-year filing period. Some insurers refuse to write FR-44 policies at all, which narrows your options to specialized carriers charging higher rates.
Life With a Felony Record
The felony version of a third DUI produces consequences that outlast every court-ordered penalty.
Firearms
Florida law prohibits any convicted felon from owning or possessing firearms, ammunition, or electric weapons. Violating that prohibition is itself a second-degree felony punishable by up to 15 years in prison.8The Florida Legislature. Florida Statutes 790.23 – Felons and Delinquents; Possession of Firearms, Ammunition, or Electric Weapons or Devices Unlawful The ban applies permanently unless civil rights are restored through executive clemency.
Voting
Under Amendment 4, voting rights are automatically restored once you complete every term of your sentence, including probation, community service, and payment of all fines and restitution.9The Florida Legislature. Florida Statutes 98.0751 – Termination of Disqualification From Voting With five years of felony probation, you could be barred from voting for at least that long, and longer if any financial obligations remain unpaid.
Commercial Driver’s License
A second alcohol-related driving offense triggers a lifetime CDL disqualification under federal law. The Secretary of Transportation may allow reinstatement after 10 years, but that exception is rare and discretionary.10Office of the Law Revision Counsel. 49 USC 31310 – Disqualifications For anyone facing a third DUI, the CDL is almost certainly already gone, which ends careers in trucking, bus operation, and commercial transportation.
Travel to Canada
Canada treats DUI as a serious criminal offense and can deny entry to anyone with a DUI conviction, including misdemeanors. A felony DUI makes you inadmissible unless you apply for criminal rehabilitation, which requires waiting at least five years after completing your full sentence. Before that, entry requires a Temporary Resident Permit, which is expensive, discretionary, and often limited to a single trip.
Employment and Professional Licenses
A felony conviction appears on background checks and can disqualify you from jobs in healthcare, education, law enforcement, finance, and government. Licensed professionals, including nurses, doctors, teachers, real estate agents, and commercial pilots, generally must disclose the conviction to their licensing boards. Failing to self-report within the required timeframe can bring separate discipline, up to license revocation. If your job requires driving, the 10-year revocation alone can be grounds for termination.
The Real Cost
Court-imposed fines are only part of what a felony third DUI costs. A realistic breakdown of what you can expect to pay across the years that follow:
- Court fines and surcharges: $2,000 to $5,000 in base fines, plus several hundred dollars in court costs
- Private defense attorney: $5,000 to $15,000 or more for a felony DUI
- Ignition interlock device: $2,000 to $4,000 over the two-year requirement
- FR-44 insurance increase: $3,000 to $12,000 or more in added premiums over three years
- DUI school and substance abuse treatment: $200 to $500
- Vehicle impoundment and towing: $500 to $1,500 depending on the facility
- Lost wages: 30 days of mandatory jail time plus court appearances, probation meetings, and community service
Direct out-of-pocket costs conservatively run $15,000 to $40,000. That figure leaves out lost income from job termination, long-term career limits from the felony record, and insurance premiums that stay elevated well after the FR-44 period ends. For anyone whose livelihood depends on driving or a professional license, the lifetime impact can reach into six figures.