Most DWIs are misdemeanors. But four situations turn a Texas DWI into a felony — and felony DWI changes everything: prison instead of county jail, a permanent felony record, and consequences that follow you for life.
When a DWI becomes a felony in Texas
| Offense | Charge level | Prison / jail range | Fine |
|---|---|---|---|
| DWI, 3rd or subsequent offense (§ 49.09(b)) | Third-degree felony | 2–10 years prison | Up to $10,000 |
| DWI with child passenger under 15 (§ 49.045) | State jail felony | 180 days–2 years state jail | Up to $10,000 |
| Intoxication assault (§ 49.07) | Third-degree felony | 2–10 years prison | Up to $10,000 |
| Intoxication manslaughter (§ 49.08) | Second-degree felony | 2–20 years prison | Up to $10,000 |
Two things surprise people most. First, a DWI with a child passenger is a felony even on a first offense — no prior record required. Second, Texas counts priors broadly: DWI-type convictions from any state, plus boating-while-intoxicated, can enhance a new charge.
What felony DWI defense looks like
Felony intoxication cases are evidence wars. Effective defense work typically involves:
- Attacking the prior convictions used for enhancement — defective old judgments can reduce a felony back to a misdemeanor.
- Blood evidence litigation. Most felony cases involve warrant blood draws; chain of custody, lab procedures, and analyst testimony are all challengeable. See breath & blood test defense.
- Causation in assault/manslaughter cases. The state must prove intoxication caused the injury or death — accident reconstruction and independent experts matter.
- Mitigation and negotiation. Treatment records, employment history, and early intervention can shape charging and sentencing outcomes.
Beyond prison: collateral damage
A felony conviction in Texas also means losing firearm rights, barriers to employment and professional licenses, housing discrimination, and — for non-citizens — potential immigration consequences. Ignition interlock is mandatory, and license suspensions run up to two years.
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