What is the dismissal rate for DWI / DUI in Nassau County?

The dismissal rate is 9.3%, based on 8057 cases from public court records. This includes judicial dismissals and cases dismissed in the interest of justice.

How long does a DWI / DUI case take in Nassau County?

The average case takes 7.2 months from arraignment to disposition. Duration depends on factors specific to each case including whether bail is set and plea negotiations.

How do outcomes vary by charge class for DWI / DUI in Nassau County?

Outcomes vary by charge class. Unclassified Misdemeanor: 10.5% dismissal rate (7077 cases). E Felony: 0.9% dismissal rate (874 cases). Higher severity classes generally have different dismissal and conviction patterns.

DWI / DUI in Nassau County, NY — 9.3% Dismissed

Q: What are the case outcomes for DWI / DUI in Nassau County?

Based on 8057 cases in Nassau County, 9.3% are dismissed, 90.4% result in conviction, and 0.1% end in acquittal. The average case takes 7.2 months. Individual outcomes depend on the specific facts of each case.

Q: What is the conviction rate for DWI / DUI in Nassau County?

The conviction rate for DWI / DUI in Nassau County is 90.4%, based on 8057 cases from public court records. This includes guilty pleas and findings of guilt at trial.

Q: How often are DWI / DUI charges reduced in Nassau County?

2.8% of DWI / DUI cases in Nassau County result in conviction on a lesser charge. The most common reduction is to Traffic Offense.

Q: How does Nassau County compare to other counties for DWI / DUI?

Nassau County has a 9.3% dismissal rate for DWI / DUI. Visit the DWI / DUI overview page to compare dismissal rates, conviction rates, and case timelines across all New York counties.

DWI cases in Nassau County result in conviction at exceptionally high rates. With a 90.4% conviction rate against a statewide average dismissal rate of 5.1%, Nassau County dismisses cases at 9.3%—significantly higher than the state average. This 4.2 percentage point advantage suggests the county's approach to DWI prosecutions has shifted measurably. The trend is notably upward: dismissal rates climbed from 2.9% in 2019 to 13.2% in 2024, indicating prosecutors or judges are increasingly finding grounds to dismiss charges. Still, Nassau County convicts defendants in roughly 9 of every 10 DWI cases that reach disposition, which typically takes about seven months.

Most DWI defendants in Nassau County are released before trial without bail, with 82.9% receiving release on their own recognizance. When bail is set, the median amount is $1,500. Charge reductions occur in only 2.8% of cases, almost always to traffic offenses rather than more serious charges. Among convicted defendants, financial penalties dominate sentencing: 59.2% receive fines, while 22.2% are sentenced to probation and 17.3% to jail time. Prison sentences are rare at 0.9%.

Dismissal rate includes judicial dismissals and cases dismissed in the interest of justice. Conviction rate includes guilty pleas and findings of guilt at trial. Avg duration measures arraignment to final disposition. Data sourced from New York DCJS Pretrial Release Data. Last updated: March 2026

9.3%

Dismissal Rate

90.4%

Conviction Rate

7.2 months

Avg Duration

Case Outcomes

90.4%

Dismissed 9.3% Convicted 90.4% Acquitted 0.1%

Source: 8,057 public court records, Nassau County Courts — NewYorkCourtFile.com

Outcomes by Charge Class

How outcomes differ by felony and misdemeanor classification for DWI / DUI in Nassau County.

Charge Class	Cases	Dismissal Rate	Conviction Rate
Unclassified Misdemeanor	7,077	10.5%	89.3%
E Felony	874	0.9%	98.8%
D Felony	104	1.0%	99.0%

Charge class reflects the severity classification at arrest (e.g., A Felony is the most serious, B Misdemeanor the least). Outcomes vary by class due to differing prosecutorial priorities, plea bargaining patterns, and case complexity. Source: New York DCJS Pretrial Release Data.

Year-Over-Year Trends

How DWI / DUI outcomes in Nassau County have changed over time.

Year	Cases	Dismissal Rate	Conviction Rate
2019	1,944	2.9%	96.7%
2020	1,313	8.4%	91.4%
2021	1,251	10.9%	89.0%
2022	1,297	10.5%	89.2%
2023	1,274	14.8%	84.7%
2024	890	13.2%	86.8%

Year reflects arrest year from DCJS Pretrial Release Data. Case volumes may vary as more recent cases may still be pending disposition.

Pretrial Release

How defendants charged with DWI / DUI in Nassau County are handled at arraignment.

82.9%

Released on Recognizance (ROR)

5.2%

Bail Set

0.1%

Remanded

$1,500

Median Bail Amount

Pretrial release data reflects arraignment outcomes under New York's bail reform laws. ROR = Released on Own Recognizance. Bail Set = cash bail or bond required. Remanded = held without bail.

Charge Reductions

2.8% of DWI / DUI cases
in Nassau County are reduced

Defendants were convicted on a lesser charge than their original arrest charge.

Most common reductions

DWI / DUI Traffic Offense

112 cases (58.9%)

DWI / DUI Aggravated Unlicensed Operation

53 cases (27.9%)

DWI / DUI Assault

9 cases (4.7%)

DWI / DUI Endangering Welfare of a Child

8 cases (4.2%)

DWI / DUI Disorderly Conduct

8 cases (4.2%)

Sentencing When Convicted

Breakdown of sentencing outcomes for DWI / DUI convictions in Nassau County.

17.3%

Jail

22.2%

Probation

0.9%

State Prison

59.2%

Fine Only

0.2%

Time Served

See what the data means for your DWI / DUI case in Nassau County. An attorney can review your situation — free, no obligation.

Ask a Nassau County attorney — free

Where you are in the process

Within 24 hours of arrest — In New York, you are typically arraigned within 24 hours. The judge will set bail conditions or release you.
First 2 weeks — Your attorney files motions and requests discovery. If bail was set, this is when you arrange payment or challenge conditions.
1-4 months — Pre-trial period. Negotiation between your attorney and the prosecutor. 2.8% of DWI cases in Nassau County see the charge reduced during this phase.
7.2 months (average) — Typical time to resolution in Nassau County. Some cases resolve faster, others take longer.

Outcomes by Demographics

Case outcome rates by race for DWI / DUI in Nassau County. These statistics reflect systemic patterns and structural factors in the criminal justice system, not individual behavior.

Race	Cases	Dismissal Rate	Conviction Rate
Hispanic	3,138	8.5%	91.2%
White	2,437	8.7%	91.0%
Black	1,609	10.5%	89.4%
Other	424	12.0%	87.7%
Asian	332	12.4%	87.6%
Native American	36	11.1%	88.9%

Disparities in case outcomes reflect well-documented systemic factors including policing patterns, socioeconomic inequality, and structural bias in the criminal justice system. These statistics should not be used to draw conclusions about any individual or group. Data sourced from DCJS Pretrial Release Data.

Common Questions

Statistics from public court records for informational purposes only. Not legal advice. Past outcomes do not predict future results. Consult a licensed attorney for guidance on your case.

Based on 8,057 cases in Nassau County, 9.3% are dismissed, 90.4% result in conviction, and 0.1% end in acquittal. The average case takes 7.2 months from arraignment to resolution. Outcomes vary based on the specifics of each case.

The dismissal rate for DWI / DUI in Nassau County is 9.3%, based on 8,057 cases from public court records. This includes cases dismissed by the court and dismissals in the interest of justice.

The average DWI / DUI case in Nassau County takes 7.2 months. Duration depends on factors like whether the case goes to trial, plea negotiations, and court scheduling.

82.9% of defendants are released on their own recognizance (ROR), 5.2% have bail set, and 0.1% are remanded without bail. The median bail amount when set is $1,500. Pretrial release decisions are governed by New York's bail reform laws.

The conviction rate for DWI / DUI in Nassau County is 90.4%, based on 8,057 cases from public court records. This includes both guilty pleas and findings of guilt at trial. For guidance on your specific situation, consult a licensed New York attorney.

2.8% of DWI / DUI cases in Nassau County result in conviction on a lesser charge. The most common reduction is to Traffic Offense.

Nassau County has a 9.3% dismissal rate for DWI / DUI cases. Outcomes can vary significantly across New York counties. View our DWI / DUI overview page to compare dismissal rates, conviction rates, and case timelines across all counties.

For those convicted of DWI / DUI in Nassau County, 17.3% receive a jail sentence, 22.2% receive probation, and 0.9% are sentenced to state prison. Actual sentences depend on the specifics of each case. Consult a licensed attorney for guidance on your situation.

Outcomes vary by charge class. Unclassified Misdemeanor: 10.5% dismissal rate, 89.3% conviction rate (7,077 cases). E Felony: 0.9% dismissal rate, 98.8% conviction rate (874 cases). D Felony: 1.0% dismissal rate, 99.0% conviction rate (104 cases). Higher severity classes generally have different dismissal and conviction patterns due to prosecutorial priorities and plea bargaining dynamics.

Data source: New York DCJS Pretrial Release Data. 8,057 cases analyzed for DWI / DUI in Nassau County. Last updated March 2026. — NewYorkCourtFile.com