Many of us go about daily life assuming we’re following the rules, but surprisingly, some ordinary habits or simple actions can actually be illegal. The law has plenty of quirks that most people don’t realize, from small things like jaywalking or certain public behaviors, to seemingly harmless habits at home.
There’s a good chance you’ve broken the law without even realizing it: Yale Law professor Stephen Carter estimated in 2014 that 70% of Americans “have committed a crime that could lead to imprisonment.” Knowing these everyday “illegal” actions can save you from fines, embarrassment, or worse.
Here are 12 everyday things you might not know are illegal, and why.
Using Someone Else’s Netflix or Streaming Password
It feels harmless, everyone does it, but digitally, it’s treated as unauthorized access. Several states classify account-sharing as “theft of service.”
Cybersecurity analyst Rebecca Fong notes, “People assume digital sharing is casual, but platforms increasingly treat it as accessing a service without payment.”
Feeding Pigeons in Certain Cities
Big cities treat pigeons like flying rodents, and feeding them is banned in multiple urban zones.
San Francisco and Las Vegas impose fines up to $500, citing public health and sanitation concerns. Wildlife experts say feeding pigeons causes explosive population growth, leading to droppings that damage infrastructure.
What looks like a kind gesture is, legally, a public health violation.
Collecting Rainwater Without a Permit
Rain may feel free and abundant, but water rights are a huge issue in the American West. Colorado, Utah, and parts of Nevada regulate rainwater harvesting because every drop legally “belongs” to a watershed system.
Large barrels or homemade tanks can break state law. Small rain barrels are allowed in most places, massive DIY reservoirs are not.
Driving Barefoot (Unsafe Barefoot Driving)
Driving barefoot itself is legal in all 50 states, but here’s the twist: if your bare foot slips, causes poor control, or triggers a crash, officers can charge you with reckless driving.
That’s why some people assume it’s fully illegal. Safety experts say flip-flops are actually more dangerous, but barefoot driving still carries legal risks in the wrong situation.
Throwing Batteries in the Regular Trash
Batteries contain toxic metals like mercury and cadmium. States such as California, New York, Minnesota, and Vermont classify small batteries as hazardous waste, making tossing them in regular trash cans illegal.
Environmental Protection Agency data link battery waste to contaminated soil and groundwater, prompting stricter rules.
Using Public Wi-Fi Without Permission
Connecting to a business’s or individual’s Wi-Fi without explicit permission can fall under “unauthorized network access.” Even hopping on an unsecured home network is illegal in some states.
Carrying Spray Paint or Large Markers in Certain Areas
In cities battling graffiti, laws target the tools rather than the tagging. New York, L.A., and Chicago restrict minors, and sometimes adults, from carrying spray paint, etching tools, or oversized markers in public areas.
Officers confiscate items or issue citations. Urban policy researcher Mark Diaz explains, “Cities realized prevention starts with limiting access to the tools used for vandalism.”
Honking Your Car Horn for Anything Except Safety
Car horns aren’t supposed to be used to vent frustration. Traffic codes in states such as New Jersey, California, and New York define honking for non-emergencies as illegal.
Technically, honking to say hello, yell at traffic, or celebrate a goal can earn you a ticket. Enforcement is rare, but the rule exists to reduce noise pollution.
Selling a Used Mattress Without Proper Labels
Mattresses can harbor bedbugs, bacteria, and allergens. That’s why states require sanitization and labeling before resale. Connecticut, California, and Texas have strict rules for how used mattresses must be cleaned and tagged.
Selling one casually without following protocols can trigger fines. It’s a health-protection law, not an anti-commerce law.
Leaving Your Car Running Unattended (“Puffing”)
Letting your car warm up while you run inside, common in cold states, is banned in many areas due to theft risks and emissions regulations. Washington, D.C., Maryland, Ohio, and multiple cities enforce fines.
Some states allow remote starters but still ban leaving the keys in the ignition. Police departments routinely warn drivers during the winter months.
Mailing Hazardous Items Without Declaring Them
Perfume, nail polish, lithium batteries, vape cartridges, and some cleaning products count as hazardous materials under USPS rules. Mailing them without the correct labeling or packaging violates federal law.
The U.S. Postal Inspection Service considers mislabeling a safety risk because these items can ignite or leak in transit.
Driving With Objects Hanging From Your Mirror
It looks harmless, but air fresheners, charms, dice, or graduation tassels can legally count as “obstructions to visibility.” States like Minnesota, New York, Illinois, and California allow officers to issue tickets if the hanging item blocks even a part of the windshield line.
Visibility laws were written to reduce accidents, but most drivers never realize they’re breaking them.
Key Takeaways
- Everyday actions, from using Wi-Fi to warming up your car, fall under state, city, or federal regulations Americans rarely think about.
- Consumer technology (password sharing, Wi-Fi access) is producing new categories of minor legal violations.
- Environmental and safety rules (batteries, mattress resale, hazardous shipments) influence daily life more than most realize.
- Many of these rules exist to protect public health, noise levels, security, or infrastructure, even if they feel strange.
- Understanding these minor laws helps prevent accidental fines or legal issues.
Also on MSN: 13 everyday expenses that people often waste money on
Disclosure: This article was developed with the assistance of AI and was subsequently reviewed, revised, and approved by our editorial team.
Disclaimer: This list is solely the author’s opinion based on research and publicly available information. It is not intended to be professional advice.
10 Simple Habits to Recharge Your Mind and Body
10 Simple Habits to Recharge Your Mind and Body
Feeling drained doesn’t always come from significant events like a sleepless night or an intense workout — often, it’s the small daily choices that leave us running on empty. The good news is that science shows simple, consistent habits can help restore balance. From mindful breathing to nourishing foods, these practical routines recharge both mental clarity and physical stamina.
Here are 10 simple habits to recharge your mind and body, backed by research and easy enough to start today.
