Author: Daniel Mast
Graphics: Holly Ur
How wealthy Californians exploit a Montana LLC loophole to dodge taxes on exotic cars; legally, for now.
Introduction
Montana plates don’t belong on California roads; but once you start looking for them, you realize they’re everywhere. Not a rancher’s truck. Not a dusty pickup with hay in the bed. A white Huracán, then a blacked-out Cullinan. All of them are from Montana. The drivers sipping coffee at the nearby cafe have no ranch in Bozeman, no ski cabin in Whitefish, no reason whatsoever to be registered in a state they may have never visited. What they do have is an LLC, a registered agent, and a very good accountant.
Now an open secret across the American luxury car world, the Montana LLC loophole has emerged as a legally defensible tax workaround. It enables wealthy buyers to sidestep the sales taxes and registration fees their home state would otherwise collect.
California wants its cut of that $1.8 million McLaren you just bought sitting in your garage. Montana on the other hand has no statewide sales tax. If you’re crafty, and choose the right shell company and a P.O. box, you’d see six figures of tax liabilities disappear. Depending on your perspective, this legal magic trick is either a masterclass in creative compliance or brazen exploitation of our federalist system, costing states millions in lost revenue.
How the Loophole Works
The Rich Didn’t Get Rich by Paying Full Price
Being only one of five U.S. states with no statewide sales tax, not only this, Montana has no residency requirement for forming a Limited Liability Company; it is the only state with this combination. For those considering a six or seven-figure vehicle to purchase, this combination is essentially a financial handout.
Applying the numbers, it’s obvious why the loophole has gained popularity. At California’s base sales tax rate of 7.25%, buying a $1 million car in-state costs an extra $72,500 before factoring in registration fees. But in laissez-faire Montana, the same vehicle registered through an LLC costs roughly $800 per year. This figure represents only registration costs, which are paid only until the car is 11 years old.
While it’s technically lawful to form a Montana LLC and register a car there, doing this to evade home-state taxes is certainly not. What becomes illegal is using that registration to evade taxes in your home state, a distinction that has blurred for years in practice.
An Industry Built on a Lie
The loophole hasn’t stayed a secret, as an entire ecosystem of registered agent businesses has emerged to facilitate the process, advertising openly that neither the buyer nor the car needs to “ever touch Montana soil.”
For fees typically ranging from $697 to $849, these companies handle everything: drafting and filing Articles of Organization, acting as registered agents, preparing operating agreements, and delivering license plates(sometimes within 24 hours). Their marketing is blunt and effective. They promise to eliminate sales tax and high licensing fees for out-of-state clients on luxury, collector, and high-performance vehicles.
The results have been statistically anomalous. In 2023, Montana recorded 2.3 million registered vehicles but only 879,000 licensed drivers, a vehicle-to-driver ratio of 2.68 —- more than double the national average and the highest of any U.S. state.
Over 600,000 vehicles are registered in Montana but operated elsewhere, representing billions in lost tax revenue nationwide.
For legit tax avoidance to work refined strategies and understanding of the law are absolutely required, of which many states are attempting to prevent. Under California law, for example, residents don’t owe sales tax on vehicles if they are delivered and kept out of state for at least 12 months. Florida has a similar six-month rule, and Arizona has a 90-day rule. Even residents of highly restrictive states such as Iowa and New York can legally put Montana plates on their vehicles and avoid taxes if they have residential ties to Montana or store the vehicle in another state.
A Policy Failure in Plain Sight
Fragmented across 50 jurisdictions, American vehicle tax law has been fragmented, offering wealthy owners a straightforward arbitrage opportunity. Essentially just hiring advisors and shell-company services to exploit the gaps. For ordinary buyers however, there is no such option.
A consumer purchasing a $50,000 sedan in California cannot realistically incorporate in Montana, the strategy only works when the vehicle is expensive enough that a $700 service fee becomes trivial against the tax savings. This is —- by design or neglect—- a policy that rewards the affluent for owning expensive goods.
California Pushes Back
The Crackdown
California alone estimates that the loophole costs the state roughly $10 million. To crackdown on the lost tax revenue, you’d assume enforcement would already be enacted; but for years it was essentially nonexistent.
Under California law, residents are required to pay taxes on vehicles delivered, used, and stored out of the state for less than 12 months, but the rule was rarely prosecuted and widely ignored. Change was implemented however in 2021, when California (through the California Department of Tax and Fee Administration (CDTFA) and the DMV) launched a joint enforcement campaign to carefully draw the line. With it, garaging and driving a Montana-registered vehicle in California is finally recognized by officials as a direct threat to the state’s tax system integrity. Penalties for those caught will now include the full tax owed plus a 50% surcharge.
The joint operation has proven to be effective, as over the course of three years, the operation identified over 2,500 suspicious out-of-state sales and launched 81 criminal investigations, which uncovered 601 fraudulently registered vehicles. A separate enforcement action recovered $4 million in unpaid taxes and fees and resulted in criminal charges against 14 individuals on 57 counts, including tax evasion conspiracy, money laundering, and perjury. The defendants had arranged $18.8 million in vehicle sales, Ferraris, Lamborghinis, and Porsches, resulting in $1.6 million in unpaid taxes.
It is not surprising to see that Beverly Hills recorded the highest number of suspicious sales at 416, followed by Costa Mesa (359), Van Nuys (273), and San Diego (269). Among the vehicles seized were a $1.8 million McLaren Elva, a $1.5 million Porsche 918 Spyder, and a $1.26 million Ferrari F12TDF. The human element is equally revealing, as one defendant bragged via text message about paying just $3,000 to own a $600,000 car in Montana for five years, versus an estimated $75,000 in California.
By implementing license plate readers and automated surveillance systems statewide to scan for Montana plates on its roads, California is now spearheading the crackdown on Montana plates, motivating at least four other states to launch their own enforcement initiatives targeting the same practice.
Take-Home Points
- Montana’s lack of sales tax and open LLC laws allow non-residents to register vehicles there, possibly legally eliminating five- or six-figure tax bills owed in home states.
- Dozens of businesses actively market Montana LLC registration to luxury car buyers nationwide for fees under $1,000.
- An estimated 600,000 vehicles registered in Montana are operated elsewhere, costing states billions annually.
- California’s crackdown has yielded $4 million in recovered taxes, criminal charges, and seized exotics, but experts say it remains a drop in the bucket.
- Until states harmonize tax laws or Congress acts on interstate commerce, the Montana loophole will remain a legal, and structurally unequal, feature of American tax policy.