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8 Weird Laws in Colorado

Colorado Strange Laws State Capitol Building
Colorado State Capitol Building. Photo: Barry Dale Gilfry
October 17, 2024 by Patrick McGuire

Whether it’s old laws that don’t quite fit into our modern world or current ones that look absurd outside of localized and historical contexts, America is brimming with odd laws. And Colorado is no exception.

Whether you’re curious if you’ve ever inadvertently violated any of Colorado’s weird laws or merely have an affinity for legal wackiness, here are some strange Colorado laws for your reading pleasure.

Colorado’s Craziest Laws

Colorado Strange Laws CSU Police SUV
CSU Police SUV. Photo: Alex Smith

Every state in the country has some unique laws that don’t make much sense to anybody. Colorado has its fair share of weird rules, some state-wide, some local to a city. Take the following laws with a grain of salt, as they are truly bizarre.

Here are some of the most random and unique laws in Colorado, in no particular order:

1. Tall dandelions and other weeds are banned in Pueblo

Colorado Strange Laws Large Dandelions Pueblo
Large dandelions in southern Colorado. Photo: mark byzewski

Pueblo might be the Home of Heroes, but no matter how much valor local residents have displayed during their lifetimes, they’re not legally permitted to keep dandelions on their property taller than ten inches. Other weedy culprits include bindweed, leafy spurge, Canada thistle, and Russian knapweed. It’s interesting to think about Pueblo’s police officers studying botany to help them weed out offenders.

2. In Boulder, it’s permitted to “insult, taunt, or challenge” police officers––until they ask you to stop

Colorado Strange Laws Boulder Police
Boulder Police. Photo: Paul Sableman

Let’s get this out of the way right off the bat. It’s a bad, bad idea to verbally assault officers no matter where you are, even if it’s Boulder. But that doesn’t change the fact that the specific language of the city of Boulder’s “Fighting Words” ordinance clearly states that it’s perfectly legal until the police officer “requests the person to cease and discontinue the conduct.”

My advice––please take it––is to not test whether this law will stand up in a real-life encounter. But for those reckless enough to try, the chances of Boulder’s police officers finding things to arrest you for are surely bound to increase.

3. Want to buy a car on a Sunday in Colorado? You’re out of luck

Strange Laws Car Dealership Colorado Springs
Chrysler dealership in Colorado Springs. Photo: Alden Jewell

For some reason, Colorado doesn’t permit the sales of automobiles on Sundays. However, if you’re in the market for tires or other car accessories, those are perfectly legal to purchase on Sundays. The law strictly applies to dealerships, but also applies to “premises or residences.” It’s hard to tell how this law benefits Colorado’s citizens or the state’s automotive industry, but it’s the law of the land.

4. You can’t drink and ride a horse at the same time in Boulder

Colorado Strange Laws Boulder Horse
Riding horses near Boulder. Photo: Let Ideas Compete

And now for a Boulder law that makes sense. In the posh front range city, horses are considered “non-motorized vehicles,” and you’re not legally permitted to saddle up on one and drink. It’s safe to assume this law was written to protect riders, horses, and the general public. The law was put to the test in 2013 when Boulder Police arrested an intoxicated horse-rider for “stumbling into Boulder traffic.” While some of the laws highlighted here don’t seem to benefit the public, ones like this are aimed at protecting animals and people from the stupidity of reckless residents.

5. Vail’s anti-junk law

Colorado Strange Laws Vail Village Gore Creek
Gore Creek in Vail Village. Photo: brent flanders

Vail is heavily invested in keeping its ski town posh and beautiful, and it uses legal mechanisms like its junk law to do it. Any material classified as “junk” is not allowed to be stored next to public buildings or private residences. A potential issue with the law is the fact that what’s considered artful, sentimental, or useful to one resident can be thought of as a junky nuisance to another. Outdoor art installations come to mind.

How Vail’s junk law gets enforced is probably heavily leaned in favor of residents who maintain conventionally clean and clutter-free properties and businesses.

6. Public use of catapults, blowguns, slingshots, and the throwing of snowballs are unlawful in Aspen

Colorado Strange Laws Aspen Snowball
Giant September snowball ready to throw in Aspen. Photo: Marci

If you’re planning on moving to Aspen and building some sort of medieval catapult, you might want to reconsider. When you’re in the town of Aspen, it’s illegal to launch things at a person or property through not only catapults, but also slingshots, blowguns, and good ol’ fashioned snowball fights.

The catapult mention makes this law seem a little obscure, but it’s essentially designed to keep things from being launched at local residents and visitors. Even so, it’s interesting to think about an obscure catapult snowball battle that happened in Aspen’s past that led to this legislation.

7. You can’t “project” missiles at cars in Alamosa

Colorado Strange Laws Alamosa City Limit
Entering Alamosa, Colorado. Photo: Jeffrey Beall

Before you get too excited about this one, consider the fact the definition of a missile is “an object which is forcibly propelled at a target, either by hand or from a mechanical weapon.” Essentially, this law falls under the category of being completely necessary but strangely worded since it’s illegal virtually everywhere to throw or shoot things at moving vehicles.

8. Logan County prohibits kissing sleeping women

Colorado Strange Laws Logan County Courthouse Sterling
Logan County Courthouse in Sterling, Colo. Photo: Jeffrey Beall

Home of an especially desolate stretch of 1-76 and some of Colorado’s sparsest populated communities, Logan County has an odd law on its books worthy of being on this list. In Sterling, CO if a woman is asleep, it’s illegal to kiss her. This begs the question of how many local couples knowingly or unwittingly break this law on a weekly basis.

Why and how this ever became law isn’t clear, but what is clear is the fact that it’s impossible to enforce in almost every instance.

Don’t Believe Everything You Read

The internet reports a lot of wacky laws in Colorado that aren’t all true. The aforementioned laws are true to the best of our research. Have you heard of either of these two strange laws…

Colorado Law Books in Snow
Law books sitting in the Colorado snow. Photo: M&R Glasgow

Is it really illegal to lend your vacuum to your neighbor or drive a black car on Sunday in Denver?

Letting your next-door neighbor borrow your vacuum in Colorado won’t get you into any legal trouble, though many on the internet say otherwise. According to a 2019 article in OZY about Colorado’s strange laws, plenty of fiction has sprung up over the years surrounding odd legality in the state, and this is one of them.

In the article, Marley Bordovsky, director of Prosecution and Code Enforcement for the city of Denver, called rumors of the vacuum law a myth that “seems to have a life of its own on the internet.” Other faux strange Colorado laws making their rounds on the internet include one stating that residents can’t own chickens in the city of Louisville (you can have up to six hens), and the illegality of driving a black car in Denver on Sundays.

Fake strange laws are written about either because they’ve been interpreted incorrectly or out of a desire to create stories where they don’t actually exist.

Patrick McGuire

About Patrick McGuire

Patrick McGuire is a freelance writer and musician living in the Mountain West.

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