DWI Lawyer

Long Island

Matthew Cohan
May 3, 2026
6 min read
Row of white marble busts along dark wooden shelves filled with old leather-bound books and a wooden ladder in a historic library.

Learn why hiring an experienced Long Island DWI lawyer — especially a former prosecutor — can make a critical difference in defending New York DWI charges.

Key Takeaways
Former Prosecutor Edge
DWI Defense Strategies
New York Penalties
Protect Your License

DWI Lawyer Long Island: Experienced Defense for New York DWI Charges

If you’ve been charged with a DWI in New York, you face serious consequences that can include jail time, fines, license suspension, and long-term impacts on your personal and professional life. On Long Island, these cases are aggressively prosecuted, making it essential to hire an experienced attorney who understands the local courts and law enforcement practices.

As a former Nassau County prosecutor, I have firsthand knowledge of how DWI cases are built and how the prosecution approaches these charges. This experience allows me to anticipate the government’s strategies and mount a strong defense for my clients.

New York DWI Laws

In New York, DWI charges are governed by Vehicle & Traffic Law (VTL) § 1192. Key offenses include:

  • DWAI – Alcohol (VTL § 1192.1): Driving with a BAC of 0.08% or higher
  • Aggravated DWI (VTL § 1192.2-a): Driving with a BAC of 0.18% or higher
  • DWI – Drugs (VTL § 1192.4): Driving while impaired by legal or illegal drugs
  • Leandra’s Law DWI (VTL § 1192.2-a(b)): Enhanced penalties when a child is in the vehicle

New York DWI charges are treated seriously, and convictions can result in jail, probation, fines, license suspension, mandatory alcohol or drug evaluation, and ignition interlock device requirements.

Why You Need a DWI Lawyer on Long Island

DWI cases can be complex, involving field sobriety tests, breathalyzer results, blood tests, and police observations. Common defenses include:

  • Challenging the traffic stop — lack of probable cause
  • Questioning BAC results — faulty or improperly administered tests
  • Medical conditions affecting test accuracy
  • Procedural violations in evidence handling or arrest

As a former prosecutor, I know what evidence the government relies on and how to use that knowledge to your advantage in Nassau County and Suffolk County.

Penalties for DWI in New York

Penalties depend on prior history and case facts:

  • First Offense DWI: Up to 1 year in jail, $500–$1,000 fines, license suspension, alcohol education
  • Second Offense DWI: Class E felony, up to 4 years prison, higher fines, longer revocation
  • Aggravated or Third Offense: Felony exposure with significant jail time and long-term suspension

Even a first-time conviction can impact employment, insurance rates, and professional licensing.

Contact a Long Island DWI Lawyer

If you are facing a DWI charge on Long Island, early legal representation is critical. Former prosecutor experience provides a unique strategic advantage in defending your case.

Contact the Law Offices of Matthew Cohan today for a free, confidential consultation to protect your rights and your future.

Matthew Cohan

Matthew Cohan is a former Nassau County prosecutor and experienced New York DWI defense attorney representing clients throughout Long Island.

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Contact Us

Fill out the contact form or call us at (516) 375-1107 to
schedule your free consultation.
We handle cases throughout New York and New Jersey.
New York Office
123-60 83rd Ave Suite 2R
Kew Gardens, New York 11415
Long Island Office
180 East Main Street Suite 206
Smithtown, New York 11787
Act Now. Protect Your Future.
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