| Iowa Tint Laws | |
|---|---|
| Front Windshield | 70% |
| Front Side Windows | 50% |
| Back Side Windows | No restrictions |
| Rear Windshield | No restrictions |
Under new laws after July 1, 2026, front side windows allow 50% VLT. Many other websites and resources haven’t updated their information. Be sure to read reliable sources.
Quick summary: Iowa tint laws allow 70% VLT tinting on front windshield, and 50% on front side windows. Back side windows and rear windshield can have any darkness.
Last updated on: . Confirmed accurate for 2026. Attorney verified
Iowa tint laws primarily regulate the darkness, but also specify other rules and regulations you need to know about such as reflectiveness or color restrictions. All laws are explained further below.
Window Tint Darkness in Iowa
Window tint darkness is measured in VLT (Visible Light Transmission) percent. VLT indicates how much light passes through both the film and the glass.
Drag the blue slider above to preview tint darkness. In most real world cases, applied tint will appear 10-20% darker compared to our tool.
See: VLT explained with chart and darkness examples
How dark can your window tint be in Iowa?
Here's exactly how much VLT is allowed on your auto window tint in Iowa (IA), categorized by passenger and multi-purpose vehicles.
Tint darkness for passenger vehicles:
- Windshield: Must allow more than 70% of light in.
- Front side windows: Must allow more than 50% of light in.
- Back side windows: Any darkness can be used.
- Rear window: Any darkness can be used.
Passenger vehicles include: sedan, coupe, convertible, station wagon, hardtop and hatchback vehicles.
Tint darkness for multi-purpose vehicles (MPV):
- Windshield: Must allow more than 70% of light in.
- Front side windows: Must allow more than 50% of light in.
- Back side windows: Any darkness can be used.
- Rear window: Any darkness can be used.
Multi-purpose vehicles include: SUV, pickup, van, truck, RV, and minibus.
AS-1 line typically extends between 4 and 6 inches parallel to the top of your windshield. AS-1 designation line is typically marked by glass manufacturer on the top edge of your windshield.
Depending on vehicle, your AS-1 strip may already be tinted. In most states windshield tint must not have any reflectiveness, and illegal colors typically include blue and red.
Some state tint laws specify exact number of inches you are allowed to tint on front windshields. Other states define this windscreen area simply as an AS-1 line. Learn more about AS-1 Line.
Federal vehicle ID label found on driver's front door frame will tell you whether your vehicle is classified as passenger or multi purpose vehicle.
- Passenger vehicles include: sedan, coupe, convertible, station wagon, hardtop and hatchback vehicles.
- Multi-purpose vehicles include: SUV, pickup, van, truck, RV, trailer, bus and minibus.
In most states vehicles fall under these two categories.
Other Iowa Tinting Rules & Regulations:
Other laws, rules and regulations in Iowa include the following:
Excessive reflectiveness not allowed, law is not specific about percentages.
No restrictions on side mirrors in Iowa.
No specific tint colors are explicitly prohibited from use.
Manufacturers of film are not required to certify the film they sell in the state.
Sticker to identify legal tinting is not required.
Medical Exemptions
Iowa used to have medical exemptions, but they are no longer authorized or available after July 1, 2026.
Only vehicles under exemptions received prior to 2012 may still have tint down to 35% VLT.
Quick FAQs
Violating Iowa window tint laws is a misdemeanor with a $127+ fine.
Law enforcement may also send a request to the Department of Transportation to suspend your registration and license plates for operating an unsafe vehicle. You will have 20 days to appeal the suspension or return a certified form stating that your window tint is in compliance.
The last meaningful legislative change to Iowa tint laws was made in 2026.
Our website is updated continuously. The latest major change is detailed below:
- November 3, 2026: Added information about medical exemptions, penalties.
- [LAW]May 15, 2026: House File 766 signed by governor into law, specifying new VLT percentages for windows.
Our tint laws strictly reference official sources. You are welcome to verify data in official state laws linked below, or get in touch with your local DMV or police department to make sure you are not breaking Iowa window tinting laws, rules and regulations.
Our article about Iowa tint laws is up to date as of 2026. Last change was made on November 3rd, 2026 (approximately 9 days ago).
You can rest assured our legal experts are immediately notified of changes, and will always update this article with latest legislation when required.
Official law sources:
Iowa Department of Transportation – Window Tinting Standards
Iowa Administrative Code – IAC Rule 761.450.7 – Front windshields, windows or sidewings
Iowa House File 766 (new tint law since July 1, 2026)
Iowa Code Title VIII, Subtitle II, Section 321.438: Windshields and windows (still not updated with latest law)
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