A Former Judge. A Father-Son Trial Firm. Fifty Years of New Jersey Practice.

Stopped for DWI in Leonia? An arrest under N.J.S.A. 39:4-50 is not a traffic infraction — it carries mandatory license consequences, fines, and potential ignition interlock requirements that follow you long after the court date. Avery & Avery, Esqs. has defended DWI matters across Bergen County for decades, and Leonia’s Leonia Municipal Court is territory we know well. With 9,324 residents concentrated in 1.5 square miles (ZIP 07605), Leonia sees regular enforcement on its major corridors. Call (201) 943-2445 for a free first consultation.

From Arrest to Disposition: the Leonia DWI Court Route

After a Leonia Police Department stop ends in a DWI arrest, here is where the case goes. First-offense N.J.S.A. 39:4-50 charges route to Leonia Municipal Court at 229 Fort Lee Road (phone (201) 592-5780), which hears DWI matters 2nd & 4th Tuesdays. Refusal under N.J.S.A. 39:4-50.4a runs in parallel at the same court. Escalated matters — second offense, DWI causing injury — move to Bergen County Superior Court (Hackensack) in Bergen County Justice Center, 10 Main Street, Hackensack, NJ 07601. Post-2019 reform replaced mandatory suspension with ignition interlock on many first offenses. State v. Chun, 194 N.J. 54 (2008) governs whether the Alcotest reading can be challenged.

Leonia Municipal Court

Address: 229 Fort Lee Road
Phone: (201) 592-5780
Court days: 2nd & 4th Tuesdays
Office hours: 9AM - 4PM

Bergen County Superior Court (Hackensack)

Address: Bergen County Justice Center, 10 Main Street, Hackensack, NJ 07601
Phone: (201) 221-0700
Vicinage: Bergen Vicinage (Vicinage 02)

What the Law Says: Defense Angles in Leonia DWI Cases

DWI defense in Leonia starts with the statutes:

N.J.S.A. 39:4-50 — primary DWI charge (BAC-based or observation-based impairment)
N.J.S.A. 39:4-50.4a — refusal to take the Alcotest
State v. Chun, 194 N.J. 54 (2008) — Alcotest 7110 foundational reliability standard

Defense angles typically fall into three buckets: (1) Fourth Amendment — was the stop and detention lawful?; (2) Alcotest foundation — did the officer comply with every Chun protocol requirement?; (3) observation evidence — do the field sobriety indicators actually establish impairment? First-offense penalties under post-2019 reform mean ignition interlock rather than automatic suspension for many BAC levels, but the long-term insurance and licensing impact still makes a vigorous defense worthwhile.

About Leonia, NJ

Leonia is a community in Bergen County, NJ. By the numbers:

2020 Census population: 9,324
Population density: 6,121.6 per sq mi
Land area: 1.5 sq mi
ZIP code: 07605
Mayor: William Ziegler
Incorporated: December 5, 1894

Leonia Community Notes

Leonia was incorporated December 5, 1894.
Current mayor: William Ziegler.
Leonia Municipal Court sits at 229 Fort Lee Road, phone (201) 592-5780; court days 2nd & 4th Tuesdays.

Why Avery & Avery for Leonia DWI

The rare combination: a former municipal judge who now defends the accused. Robert W. Avery spent 1986–2000 on the Ridgefield Municipal Court bench — learning exactly how these courts work, what judges focus on, and where defense arguments land. He brought that knowledge back to defense practice, and it informs every Leonia case the firm handles.

John S. Avery joined in 2012 and manages active Bergen County litigation. Together they offer fifty years of continuous NJ practice, with the federal-court credentialing of Delvoye v. Lee, 329 F.3d 330 (3d Cir. 2003) to back it up.

Free first consultation. Same-day callbacks. If you’re facing a DWI charge in Leonia, call (201) 943-2445 today.

Sister Bergen Cities We Cover

We routinely appear in Leonia’s neighboring Bergen County municipalities. See:

And the Bergen County DWI landing covers the full county.

Frequently Asked Questions

Where do Leonia DWI cases go?

Leonia Municipal Court for first-tier matters; Bergen County Superior Court (Hackensack) for indictable / over-threshold matters.

How fast can you respond to a Leonia arrest / hearing?

Same-day callback during business hours; same-evening for arrests on weeknights. Call (201) 943-2445.

Do you handle other Bergen County practice areas?

Yes — see our Bergen County Lawyer page for the full practice list, and the practice tops at /practice-areas/dwi/.

Get a Free Case Review: Leonia DWI

Avery & Avery, Esqs. is a father-son firm — Robert W. Avery and John S. Avery — with fifty years of New Jersey trial practice between them. For Leonia DWI clients, that means consistent, accessible representation from attorneys who actually know your case. Call (201) 943-2445 to schedule a free first consultation. Same-day callback on active arrest situations.

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