Yes, CarMax drug tests for the majority of company positions.
The CarMax careers website states that the company “promote[s] a drug-free workplace.” Certain positions are subject to Department of Transportation requirements, which require drug testing pre-employment, post-accident, randomly, when there is reasonable suspicion, and when returning to duty.
The Carmax Code of Business Conduct states: “CarMax expects all Associates to be law-abiding citizens who support our goal of maintaining a safe, drug-free environment. The use, possession, or distribution of illegal drugs by CarMax Associates under any circumstances is strictly prohibited, as is consumption of alcohol either on the job or in such a way that adversely affects job performance or fitness for duty. These activities subject all Associates and customers to unacceptable safety risks, undermine our ability to operate effectively, and erode Company morale. Alcohol consumption at certain functions may be permitted if approved by a CarMax officer.”
This information was obtained after hours of research from various websites with answers from current and former CarMax employees, the CarMax careers website, and the CarMax Code of Business Conduct.

What Type of Drug Test Does Carmax Use?
Our research indicates that CarMax currently uses mouth swab drug tests, although they used to perform urine tests.
Urine drug tests, including the instant varieties, can range from four-panel to sixteen-panel. The number of panels means the number of substances that are tested for. The specific substances that are tested can vary depending on the type of test used. Five-panel is the most commonly used.
Five-panel urine drug tests test for:
- Marijuana/Cannabis
- Cocaine
- Opiates
- Amphetamines
- Phencyclidine
Mouth swab drug tests can detect a variety of different substances, including:
- Alcohol
- Amphetamines
- Barbiturates
- Benzodiazepines
- Cocaine
- Marijuana
- Methamphetamine
- Opioids
- Phencyclidine
These drug tests are paid for by CarMax, and can occur on-site or at an independent laboratory.
When Does CarMax Drug Test?
Our research indicates that CarMax drug tests pre-employment and also if there is suspicion of substance use or in the event of a workplace accident. There have also been reports of random drug testing from current and former employees.
CarMax Drug Testing Process
How Long Do CarMax Drug Test Results Take?
Instant mouth swab drug tests conducted on-site take only a few minutes to show results. There are reports that sometimes the sample is sent to an independent laboratory, which can take up to a few days to produce a result.
What Happens if you Fail a Drug Test at CarMax?
Failing a pre-employment drug test at CarMax can prevent you from getting hired. Failing a random drug test at CarMax can lead to disciplinary action, including termination. Multiple current and former CarMax employees report that you may reapply in 6 months after a failed drug test.
Does CarMax Call You if You Fail a Drug Test?
It has been reported that CarMax will send you a postcard notifying you of a failed drug test.
Employee Drug Testing Policies for CarMax

Does CarMax Drug Test Employees?
Some current and former CarMax employees report only pre-employment drug testing, while others say there is also random drug testing. Drug testing is also required if there is suspicion of drug use and for on-the-job accidents.
Does CarMax Drug Test For a Promotion?
We could not find specific information to answer this question, but typically, companies will drug test for a promotion.
Does CarMax Drug Test if You Get Injured on the Job?
Yes, CarMax requires drug tests after on-the-job accidents. This is consistent with most companies who drug test after accidents in the workplace that result in damage to properties or injury within the workplace. This is for liability reasons as a positive drug test would void any potential worker’s compensation claims.
Marijuana Drug Testing at CarMax
Does CarMax Drug Test For Weed?
Some current and former CarMax employees report that the company no longer tests for marijuana, while others report that they still do.
Does CarMax Accept a Medical Marijuana Card?
We could not find specific information to answer this question, but multiple current and former CarMax employees report that the company no longer tests for marijuana.