Wisconsin vehicle license plate laws govern how license plates must be displayed, what covers and frames are permitted, and what constitutes an obstruction violation. Both front and rear plates are required on standard passenger vehicles.
Front Plate Requirement
This section explains Wisconsin’s requirements for front license plate display on standard passenger vehicles.
Does Wisconsin require a front license plate on passenger vehicles?
Yes. Wisconsin requires both front and rear license plates on all standard passenger vehicles.
Plate Covers
Tinted or opaque license plate covers are prohibited in Wisconsin. Any cover that reduces plate readability or reflectivity violates state law.
Are tinted or opaque license plate covers legal in Wisconsin?
No. Tinted or opaque license plate covers are illegal in Wisconsin. Any cover that reduces the visibility, reflectivity, or legibility of either plate is prohibited. Anti-camera sprays and coatings are also prohibited.
Plate Frames
Plate frames are permitted in Wisconsin provided no required plate information is obstructed.
Can I use a license plate frame on my Wisconsin plates?
License plate frames are permitted in Wisconsin provided they do not obstruct any portion of either plate, including the state name, any characters, or any registration stickers. Frames that cover any required plate information are violations.
Plate Mounting
Wisconsin requires both plates to be securely mounted and clearly readable at all times.
Where must Wisconsin license plates be mounted on the vehicle?
Wisconsin requires both front and rear plates to be securely fastened, horizontally mounted, and clearly visible. Wisconsin requires annual vehicle safety inspections statewide. Plates must not swing, rattle, or be angled in a way that reduces readability.
Plate Illumination
Wisconsin requires the rear license plate to be lit by a white light when the vehicle’s headlights are on.
Does Wisconsin require the rear license plate to be illuminated at night?
Yes. Wisconsin requires the rear license plate to be illuminated by a white light clearly readable from at least 50 feet when the vehicle’s headlights are in use. A non-functioning plate light is an equipment violation subject to citation.
Registration Stickers
Wisconsin’s registration sticker requirements determine what must be displayed on the plate or vehicle at all times.
What are Wisconsin’s annual registration sticker and safety inspection requirements?
Wisconsin issues annual registration stickers for the rear plate. Annual safety inspections are also required at licensed inspection stations statewide.
Plate Obstruction
Wisconsin prohibits any cover or device that makes either plate difficult to read or reduces its reflectivity. The following items are specifically prohibited.
What types of covers or objects count as illegal plate obstruction in Wisconsin?
Wisconsin prohibits any material or device that makes either plate illegible or harder to read. The items listed below are specifically prohibited under state law.
- Tinted or colored covers over either plate
- Clear covers that reduce reflectivity or legibility of either plate
- Frames that cover the state name, any character, or any sticker on either plate
- Anti-camera sprays or coatings on either plate
- Dirt or debris that makes either plate unreadable
Fines and Violations
Wisconsin plate violations are traffic offenses. Fines are set by Wisconsin courts and vary by offense and jurisdiction.
What is the fine for a plate cover or missing plate violation in Wisconsin?
Wisconsin plate violations are traffic offenses. Fines are set by Wisconsin courts and vary by offense and jurisdiction.
| Item | Detail |
|---|---|
| Missing front plate | Traffic offense – fine typically $100 to $200 |
| Plate obstruction or cover | Traffic offense – fine set by court |
| Missing or improperly displayed rear plate | Traffic offense – fine set by court |
| Non-functioning plate light | Equipment violation – fine set by court |
Plate Alteration
Altering or modifying a Wisconsin license plate is prohibited by state law. Modified plates must be replaced through the proper authority.
Can I alter or modify my Wisconsin license plate?
No. Altering or defacing a Wisconsin license plate is prohibited. Any plate that has been bent, painted, or otherwise modified must be replaced through the Wisconsin DMV at wisconsindmv.gov or a DMV service center.
Decorative Covers
Decorative covers are prohibited in Wisconsin if they reduce the readability or reflectivity of either plate in any way.
Are decorative plate covers legal in Wisconsin?
No. Decorative covers are prohibited if they reduce reflectivity or legibility of either plate. Display both plates without any cover for full compliance.