State tint law
Wisconsin window tint law
Laws change and enforcement varies by area. Confirm with the Wisconsin DMV before you install.
How dark can window tint be in Wisconsin?
Darkness is measured as visible light transmission (VLT): the percentage of light that gets through. A lower number means darker tint.
| Window | Cars | SUVs and vans |
|---|---|---|
| Windshield | Non-reflective tint is allowed above the manufacturer's AS-1 line. | |
| Front side windows | Must let in more than 50% of light. | |
| Back side windows | Must let in more than 35% of light. | Must let in more than 35% of light. |
| Rear window | Must let in more than 35% of light. | Must let in more than 35% of light. |
Picked a legal shade? You can tint it yourself with a precut car tint kit from SnapTint, our DIY kit partner.
How reflective can tint be?
- Front side windows
- Tint film must not be reflective.
- Back side windows
- Tint film must not be reflective.
Other Wisconsin tint rules
- Restricted colors
- No tint colors are banned.
- Side mirrors
- Dual side mirrors are required if the back window is tinted.
- Film certification
- Film manufacturers don't need to certify the film they sell in the state.
- Sticker
- No sticker identifying legal tint is required.
- Medical exemption
- Wisconsin's rule (Trans 305.32) is reported to allow tint on a physician's or Christian Science practitioner's written recommendation for the owner or an immediate family member, with at least 35% light. The written statement must name the patient, the condition, whether it's temporary or permanent and the vehicle (make, model, year, VIN), and it must be carried in the vehicle. We couldn't read the official rule directly, so check the rule text before relying on this. Official form or instructions (opens in a new tab)
Enforcement and penalties in Wisconsin
- Enforcement
- Police can stop you for tint alone.
- Penalties
- A forfeiture (civil fine) of $10 to $200 for breaking a DOT equipment rule (Wis. Stat. 110.075(7)), plus court costs. We couldn't read the official text directly, so treat the amount as reported by secondary sources.
Films of 50% VLT or lighter: legal on every window of a car in Wisconsin. Darker films for the rear windows are in the full collection. All car window film.
Where to find the Wisconsin tint law
These are the laws, rules and other sources we found for Wisconsin. We list all of them rather than picking one, so you can read them yourself and decide. Laws change, so check the current text before you install.
- Regulation Wisconsin Administrative Code Trans 305.32 (opens in a new tab) Wisconsin Legislature
TintCenter is independent: no maker pays to appear or be ranked here. We also sell film by the roll, and store links are marked "Shop". How we research and make money.