Important Points to Remember
- In Missouri, front windshield tinting is only allowed above the AS-1 line, and it must be non-reflective.
- Front side windows must allow at least 35% of light.
- There are no restrictions on how dark the back side and rear windows can be, but they must not be more than 35% reflective.
- Medical exemptions are available for individuals with specific conditions requiring darker tints.
- Failure to comply with tint laws can result in fines and affect car insurance rates.
Missouri DOR Tint Laws: Understanding the Window Percentage, Legal Limits & Insurance Guide
Why It’s Important to Understand Window Tint Laws
Window tinting has many benefits, such as protecting against harmful UV rays, providing privacy, and reducing glare. But it’s important to understand that window tint laws exist for a reason. They are designed to ensure safety on the roads and help maintain clear visibility for drivers, law enforcement, and emergency services.
For example, a heavily tinted front windshield can obstruct the driver’s vision, making accidents more likely. In the same vein, law enforcement officers need to be able to see inside vehicles during traffic stops for their safety. As a result, Missouri has specific laws that dictate how dark and reflective your window tints can be.
Missouri’s Legal Window Tint Percentages
Missouri’s Department of Revenue (DOR) has set specific legal limits for window tint percentages. The legal limit varies depending on where the window is located on the vehicle. Here’s a quick overview:
Window Tint Laws in Missouri
Window Location | Tint Percentage | Reflection Limit |
---|---|---|
Front Windshield | Non-reflective tint allowed above AS-1 line | N/A |
Front Side Windows | Must allow more than 35% light in | Must not be more than 35% reflective |
Back Side Windows | No restrictions on darkness | Must not be more than 35% reflective |
Rear Windshield | No restrictions on darkness | N/A |
Medical Exemptions | Allowed with physician’s prescription | N/A |
Detailed Window Tinting Rules
Front Windshield Tinting Restrictions
Missouri law permits using non-reflective tint on the front windshield, but only above the AS-1 line. The AS-1 line is usually marked on the windshield by the manufacturer and is typically in line with the top of the steering wheel. The non-reflective tint helps to minimize sun glare without interfering with the driver’s vision.
Front Side Window Tint Regulations
Missouri state law mandates that the front side windows of a vehicle must permit over 35% of light to come through. This ensures the tint isn’t overly dark, and the driver can see their surroundings. Furthermore, these windows can’t be more than 35% reflective to prevent causing too much glare for other drivers on the road.
Back Side and Rear Window Tinting Regulations
In Missouri, the laws are more relaxed for the back side and rear windows. There are no rules on how dark these windows can be tinted. Nonetheless, like the front side windows, they must not be over 35% reflective. This balance provides privacy and protection from the sun while still ensuring safety.

The Pros and Cons of Window Tinting
Window tinting can provide many advantages, but it’s important to consider any possible disadvantages. Let’s examine both to help you make the best choice.
Guarding Against Ultraviolet Rays
Perhaps the most substantial benefit of tinting your windows is its capacity to shield against dangerous ultraviolet rays. These rays can lead to skin damage and heighten the likelihood of skin cancer. Tinting your windows can dramatically lessen the UV radiation you’re exposed to on the road. For more details on legal limits, check out the Missouri tinting laws.
Decreasing Heat and Sun Glare
Window tints can help lower the temperature inside your vehicle, providing a more comfortable environment, particularly in the scorching summer heat. They also decrease the sun’s glare, improving visibility and lessening eye fatigue. This can lead to a safer, more pleasant driving experience.
In addition, window tinting can provide a cooler interior by blocking a large portion of solar heat. This not only makes the ride more enjoyable but can also decrease the necessity for air conditioning, leading to better fuel efficiency. For more details on the legal aspects, check out Missouri’s tinting laws.
Window Location | Tint Darkness (VLT%) |
---|---|
Windshield | Non-reflective above AS-1 line |
Front Side | >35% |
Back Side | No restrictions |
Rear | No restrictions |
Medical Exemption | Allowed with doctor’s note |
Reference:
https://www.tinting-laws.com/missouri/
Feeling Safe and Secure
One of the most attractive reasons to opt for window tinting is the extra privacy it offers. Tinted windows make it more difficult for people outside your car to see inside, which can help prevent theft by keeping your possessions hidden. This extra level of security can help you feel more at ease, especially when you have to park in areas you’re unfamiliar with or places with a lot of foot traffic.
Furthermore, having tinted windows can be a great help when temporarily leaving something valuable in your car. It’s always best not to leave anything valuable in your car, but tinted windows can make your vehicle a less tempting target for potential thieves.
Legal and Safety Concerns
Understanding the potential legal and safety problems that come with window tinting is vital. Failure to comply with Missouri’s tint laws can lead to fines and penalties. More importantly, too dark tints can obstruct visibility, particularly when driving at night, which can increase the likelihood of accidents.
Moreover, if your tint is excessively reflective, it can cause glare for other drivers, which is a safety risk. As a result, it’s vital to ensure your window tint complies with Missouri’s legal standards to prevent these problems.
Getting to Know Medical Exemptions
Missouri legislation provides for medical exemptions to window tint rules. These exemptions were created to help people with certain medical conditions who need extra sunlight protection.
Qualifying for Medical Exemptions
You must have a medical condition requiring limited sunlight exposure to be eligible for a medical exemption. Conditions that commonly qualify include lupus, albinism, and photosensitivity disorders. A licensed physician must diagnose and document your condition, including the need for darker window tints in the documentation. You can refer to the Illinois SOS tint laws for more information on state-specific regulations.
Steps to Apply for an Exemption
There are several steps to apply for a medical exemption:
- Get your doctor’s written prescription explaining your condition and the recommended tint percentage.
- Send the prescription and any necessary forms to the Missouri Department of Revenue.
- Wait for approval from the DOR, which might require additional verification steps.
You’ll get a permit to install the specified window tint on your car when approved.
How to Show Your Medical Exemption Permit
Once you have your medical exemption permit, you must ensure it is visible in your car. This usually means putting a sticker on the back window or somewhere else that is easy to see. This sticker lets the police know your vehicle is legally forbidden to follow the standard tint rules.
How Window Tinting Can Affect Your Car Insurance
Did you know that window tinting can affect your car insurance? Understanding how tinting your windows could change your insurance rates or claims process is essential.
How Window Tint Affects Your Car Insurance
As long as your window tint is within the legal limits in Missouri, it shouldn’t affect your car insurance rates. But if your tint is too dark or reflective, it could be considered a modification that adds risk. Your insurance company might change your rates to reflect that risk if that happens. For more information, refer to Missouri’s window tint laws.
Before you tint your windows, talking to your insurance company is wise. That way, you’ll know if it will affect your policy or cause your rates to go up. For more details, check out this insurance guide on window tinting.
Problems with Claims Due to Illegal Tint
Illegal tinting can also cause problems with claims if you are in an accident. Insurance companies may refuse claims if they decide the illegal tinting contributed to the accident. So, ensuring your tinting complies with state laws to keep your coverage is essential.
Checking with your insurance company can clarify any questions and ensure you stay in line with your policy.
Staying Within the Legal Limits of Missouri Tint Laws
To prevent legal and insurance problems, making sure your window tint is in line with Missouri’s rules is crucial. Here are a few tips to help you stay on the right side of the law:
How to Select the Correct Tint Percentage
When picking out a window tint, it is essential to select one that allows over 35% of light to pass through the front side windows. For the front windshield, only use non-reflective tint above the AS-1 line. You have a bit more leeway for the back side and rear windows, but make sure they aren’t over 35% reflective. For more details, you can refer to Missouri tinting laws.
Requirements for Two Side Mirrors
If your rear window is tinted, the law in Missouri requires your car to have two side mirrors. The mirrors compensate for any visibility lost due to the tint, guaranteeing you can see around your car clearly. For more details on similar regulations, refer to the
Why You Should Hire a Professional
It’s a good idea to have a professional install your window tint. They know the law and can make sure your tint is legal. Plus, they use suitable materials and methods, so your tint will last a long time and work well.
Consequences of Non-Compliance
You may be subject to fines and penalties if you do not comply with Missouri’s tint laws. Police officers have the authority to issue tickets for illegal tint, and if you continue to violate the law, the consequences could become more severe. So, it’s essential to follow the rules to avoid these problems.

Commonly Asked Questions
How dark can window tint be in Missouri?
In Missouri, the front-side windows must allow over 35% of light to enter. The back side and rear windows can be as dark as you want, but they can’t be more than 35% reflective.
Is it possible to get a medical exemption for window tint in Missouri?
Indeed, Missouri does grant medical exemptions for window tinting. You’ll need a prescription from a licensed doctor that details your condition and why you need darker tints. The prescription should be submitted to the Missouri Department of Revenue for approval.
Can illegal tint impact my auto insurance premiums?
Yes, illegal tint can impact your auto insurance premiums. Insurance companies may adjust your premiums if the tint is deemed a modification that heightens risk. It is recommended that you speak with your insurance company before installing window tint to comprehend any potential effects on your policy.
Window tinting can also block significant solar heat, creating a more relaxed interior. This can make car rides more comfortable and reduce the need for air conditioning, which can improve fuel efficiency.
Security and Privacy
One more reason to consider getting your windows tinted is the extra privacy it offers. With tinted windows, it’s more difficult for people outside to see inside your car, which can help prevent theft by keeping your possessions hidden. This extra security measure can help you feel more at ease, particularly when you have to park in areas you’re unfamiliar with or have a lot of traffic.
Additionally, window tinting can be beneficial when you need to leave valuables in your car for a short period. While it’s always better to avoid leaving valuable items in your vehicle, tinted windows can make it less tempting for potential thieves.
Legal and Safety Implications
Understanding the potential legal and safety implications of window tinting is crucial. Failure to comply with Missouri’s tint laws can lead to fines and penalties. More importantly, excessively dark tints can impair visibility, notably when driving at night, raising the risk of accidents.
Moreover, if your tint is excessively reflective, it can cause glare for other drivers, which is a safety hazard. Hence, ensuring your window tint adheres to Missouri’s legal standards is vital to prevent these problems.
What to Know About Medical Exemptions
Missouri law provides for medical exemptions to window tinting laws. These exemptions are intended to assist individuals with certain medical conditions that necessitate extra protection from sunlight.
Qualifying for Medical Exemptions
To be eligible for a medical exemption, you must have a condition requiring less sunlight exposure. Common conditions include lupus, albinism, and photosensitivity disorders. A licensed physician must diagnose and document your condition and specify the need for darker window tints.
Steps to Apply for an Exemption
There are several steps you need to take to apply for a medical exemption:
- Get a written prescription from your doctor that details your medical condition and the recommended tint percentage.
- Send the prescription to the Missouri Department of Revenue with any necessary forms.
- Wait for approval from the DOR, which might include additional verification steps.
After you’re approved, you’ll receive a permit to install the specified window tint on your car.
How to Show Medical Exemption Permits
Once you’ve gotten your medical exemption permit, you must ensure it’s visible in your car. Usually, this means putting a sticker on the back window or somewhere else that’s easy to see. This sticker lets police know that your vehicle is allowed to have tints that are usually not allowed. You can check out Pennsylvania window tint laws for more details on tint regulations.
How Window Tinting Affects Your Car Insurance
Window tinting also has insurance implications. You must know how tinting your windows could impact your insurance premiums and claims.
Effect on Auto Insurance Premiums
Most importantly, if your window tint complies with Missouri’s legal limits, it’s unlikely to impact your insurance premiums. However, if your tint is too dark or reflective, it could be considered a modification that increases risk. In such cases, your insurance provider may adjust your premiums accordingly.
Before you tint your windows, talk with your insurance company. This way, you’ll know if it will affect your policy or cause your rates to increase unexpectedly.
Problems with Claims Due to Illegal Tint
Having an illegal tint can make the claims process more difficult if you’re involved in an accident. Insurance companies may refuse to pay claims if the illegal tint played a role in the accident. As a result, ensuring your tint complies with state laws to keep your coverage is critical.
Speaking with your insurance provider can help you address any questions and ensure you follow the terms of your policy.
How to Make Sure You’re Following Missouri Tint Laws
To avoid running into legal or insurance problems, you must ensure your window tint aligns with Missouri’s rules. Here are some steps you can take to make sure you’re staying within the law:
How to Select the Correct Tint Percentage
When picking out window tint, you need to make sure it allows more than 35% of light to pass through for front side windows. You can only apply a non-reflective tint above the AS-1 line for the front windshield. You have more flexibility for the back side and rear windows, but make sure they are not more than 35% reflective.
Requirements for Two Side Mirrors
In Missouri, if your rear window is tinted, you must have two side mirrors on your vehicle. These mirrors compensate for any loss of visibility due to the tint, making sure you can see all around your vehicle.
Why You Should Hire a Pro
It’s best to let a professional handle your window tinting. Certified installers know the law and can make sure your tint is legal. Plus, they use top-of-the-line materials and methods, so your tint will last and do its job.
Consequences for Not Following the Rules
Not following Missouri’s tint laws can lead to fines and penalties. Police officers can give you a ticket for illegal tint, and if you keep breaking the law, the consequences could worsen. So, it’s essential to follow the rules to avoid these problems.
How dark can window tint be in Missouri?
In Missouri, the darkest legal tint for front side windows must allow over 35% of light in. There are no restrictions on how dark the back side and rear windows can be, but they must not be reflective by more than 35%.
Is it possible to get a medical exemption for window tint in Missouri?
Indeed, Missouri permits medical exemptions for window tinting. You must get a prescription from a licensed physician that documents your condition and the necessity for darker tints. Submit the prescription to the Missouri Department of Revenue for approval.
- Get a written prescription from your doctor.
- Turn in the prescription to the Missouri DOR.
- Show the authorized permit in your car.
These steps will ensure you can legally have a darker tint on your car’s windows.
Can unlawful tint influence my auto insurance premiums?
Unlawful tint can influence your auto insurance premiums. Insurance companies may alter your premiums if the tint is deemed a modification that heightens risk. It is recommended that you speak with your insurance company before installing window tint to comprehend any potential effects on your policy.
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