Illinois Window Tint Laws
Current window tinting regulations for Illinois (IL). Know the legal VLT limits before you tint.
Windshield
Non-reflective tint allowed on the top 6 inches or above the AS-1 line
Front Side
35% VLT
Back Side
35% VLT
Rear
35% VLT
VLT Requirements by Window Position
| Window Position | Allowed VLT |
|---|---|
| Front Windshield | Non-reflective tint allowed on the top 6 inches or above the AS-1 line |
| Front Side Windows | 35% VLT |
| Back Side Windows | 35% VLT |
| Rear Window | 35% VLT |
Front Windshield
Non-reflective tint allowed on the top 6 inches or above the AS-1 line
Front Side Windows
35% VLT
Back Side Windows
35% VLT
Rear Window
35% VLT
Penalties
Petty offense with fines of $50 to $500. Repeat offenses within 12 months may be classified as a Class A misdemeanor.
Notes
Illinois requires consistent VLT across all windows. No more than 25% reflectivity allowed on any window. Medical exemptions available with a physician's written statement. Dual side mirrors required if rear window is tinted below 35%.
Last updated: January 1, 2025
Frequently Asked Questions
What is the legal tint limit in Illinois?
In Illinois, front side windows must allow 35% VLT. Back side windows allow 35% VLT, and the rear window allows 35% VLT. The front windshield regulation is: non-reflective tint allowed on the top 6 inches or above the as-1 line.
What are the penalties for illegal tint in Illinois?
Petty offense with fines of $50 to $500. Repeat offenses within 12 months may be classified as a Class A misdemeanor. It is recommended to stay within the legal VLT limits to avoid fines and potential vehicle inspection failures.
Does Illinois allow medical exemptions for window tint?
Yes. Illinois requires consistent VLT across all windows. No more than 25% reflectivity allowed on any window. Medical exemptions available with a physician's written statement. Dual side mirrors required if rear window is tinted below 35%. Contact your local DMV or law enforcement agency for the specific documentation and process required in Illinois.
Where can I find a window tint installer in Illinois?
You can browse verified window tint shops in Illinois on TintDirectory. Professional installers can help you choose a tint that complies with Illinois law while providing the look and protection you want.
Understanding Illinois Tint Regulations
Illinois regulates window tint darkness using VLT (Visible Light Transmission) percentages. The VLT number represents how much visible light must pass through the window film. Lower percentages mean darker tint. Front side windows in Illinois must allow at least 35% VLT to pass through.
If you are considering window tinting for your vehicle in Illinois, it is important to work with a professional installer who understands local regulations. A qualified tint shop can help you choose the darkest legal option while staying compliant with Illinois law.