Open Container in a Vehicle Under ARS: Penalties and Defenses

Arizona’s open container law, set out at ARS 4-251, makes it a Class 2 misdemeanor to drink alcohol inside a vehicle on a public road or to possess an unsealed alcoholic container anywhere in the passenger area. The rule applies to drivers and passengers alike, and a conviction carries up to four months in jail plus a base fine of up to $750 that grows substantially once Arizona’s surcharges are added.¹

One point trips people up: ARS 4-251 contains two separate prohibitions. The first bans consuming alcohol in or while operating a vehicle on a public road. The second bans possessing an open container in the passenger area. Either one, standing alone, is a Class 2 misdemeanor, so officers don’t need to find a container if there’s evidence someone was drinking inside the car.¹

What Counts as an Open Container

An “open container” under ARS 4-251 is any bottle, can, jar, or other receptacle holding alcohol that has been opened, had its seal broken, or had any of its contents removed.¹ You don’t need to be drinking from it. A half-finished beer sitting in a cup holder is a violation.

To-go cups from a bar or restaurant count too, even if they have a lid or resealable cap, because contents have already been removed. The same goes for a wine bottle you bring home from dinner. Arizona lets restaurants send you off with a partially consumed bottle if the cork is reinserted flush with the top,² but once that recorked bottle is in your car it’s still legally “open.” Put it in the trunk.

Where You Can Legally Store Alcohol in Your Vehicle

The “passenger compartment” is the area designed for people to sit, and it covers everything within arm’s reach: cup holders, seat pockets, the center console, the floor, and any unlocked glove compartment. Unlocked coolers or bags within reach of anyone seated also count.¹

Three storage spots fall outside the passenger compartment:

The trunk of a standard car.
A glove compartment that is actually locked. Unlocked doesn’t qualify.
The area behind the last upright seat in an SUV, hatchback, or other vehicle without a separate trunk.

Tossing an opened bottle on the back seat or the floor of the back seat isn’t good enough. It has to be behind the last row of seats or in a locked space.

Who Is Exempt

ARS 4-251 doesn’t apply to passengers in buses, limousines, taxis, or transportation network company vehicles while those vehicles are providing rides.¹ A transportation network company is defined as one that uses a digital platform to connect passengers with drivers,³ which includes services like Uber and Lyft. If you’re the passenger in a rideshare, you can legally have an open drink. The driver cannot.

The other exception covers motorhomes. Passengers in the living quarters may have open containers as long as the alcohol stays in the designated living area and out of the driver’s reach.¹

Penalties

A violation is a Class 2 misdemeanor. Maximum penalties are:

First-time offenders rarely see jail. Courts usually impose a fine and sometimes community service. The $750 base is not the whole picture, though. Arizona adds surcharges totaling 78% of the base fine plus $44 in flat assessments,⁷ which turns a $750 fine into roughly $1,379 and a $300 fine into about $578. Plan for the real number.

Repeat Offenses

A second conviction for the same misdemeanor within two years bumps up to the next higher class. A repeat open container conviction becomes a Class 1 misdemeanor, carrying up to six months in jail and a base fine of up to $2,500.⁴

Criminal Record

A conviction leaves a misdemeanor on your record that can show up on background checks run by employers, landlords, and licensing agencies. The offense doesn’t trigger a driver’s license suspension on its own, but it can complicate matters if it’s paired with other traffic charges.

How the Charge Usually Comes Up

Officers most often find open containers during routine traffic stops. A container in plain view can be seized without a warrant, and a beer can in a cup holder qualifies.⁸

At DUI checkpoints, officers are specifically watching for signs of alcohol use. A visible open container gives them grounds to investigate further and question the driver and passengers. For the driver, that container can become circumstantial evidence supporting a DUI case even when the blood alcohol result is borderline.

Defenses That Come Up

A few arguments turn up regularly, and some are stronger than others.

The container was in an exempt location. If the container was in the trunk, a locked glove compartment, or behind the last upright seat, it wasn’t in the passenger compartment and no violation occurred.¹ When it applies, this is the cleanest defense because it defeats an element of the offense.

The container didn’t hold alcohol. Officers sometimes assume a bottle or cup contains alcohol based on look or smell. If testimony or testing shows otherwise, the charge fails.

The search was unlawful. If officers searched without consent, a warrant, or probable cause, the evidence may be suppressed. Arizona has a good-faith exception that keeps evidence in if the officer reasonably believed the search was lawful,⁹ so suppression is harder to win here than in some states, but it still works when the search was clearly improper.

When to Get a Lawyer

A standalone open container charge is one of the more manageable misdemeanors, and plenty of first-time offenders handle it on their own and pay the fine. Counsel matters more when the charge is paired with a DUI investigation, when a prior conviction could trigger the enhanced penalty, or when the stop or search looks improper. If a DUI is on the table alongside the open container, prosecutors will use the container as supporting evidence of impairment, and that combination is worth fighting with a lawyer rather than without one.

1
Arizona Legislature. Arizona Revised Statutes 4-251 – Spirituous Liquor in Motor Vehicles; Prohibitions; Violation; Classification; Exceptions; Definitions
2
Arizona Legislature. Arizona Code 4-244 – Unlawful Acts; Definition
3
Arizona Legislature. Arizona Code 28-9551 – Definitions
4
Arizona Legislature. Arizona Revised Statutes 13-707 – Misdemeanors; Sentencing
5
Arizona Legislature. Arizona Revised Statutes 13-802 – Fines for Misdemeanors
6
Arizona Legislature. Arizona Code 13-902 – Periods of Probation; Monitoring; Fees
7
Arizona Joint Legislative Budget Committee. Court Surcharges and Assessments
8
Constitution Annotated. Amdt4.6.4.4 Plain View Doctrine
9
Arizona Legislature. Arizona Code 13-3925 – Unlawful Search or Seizure; Admissibility of Evidence; Definitions