How Dark can Window Tint be in California?


Darkness of tint is measured by Visible Light Transmission percentage (VLT%). In California, this percentage refers to percentage of visible light allowed in through the combination of film and the window.

 

> WINDSHIELD
Non-reflective tint is allowed on the top 6 inches of the windshield.
 

> FRONT SIDE WINDOWS
Must allow more than 85% of light in.
 

> BACK SIDE WINDOWS
Any darkness can be used.
 

> REAR WINDOW
Any darkness can be used.

​How Reflective can the Tint be in California?


Similar to sunglass lenses, some tinting film contain metallic elements that help in reflecting incoming light and reducing the glare and heat generated by visible light.


> FRONT SIDE WINDOWS

Must not be more reflective than a standard window.
 

> BACK SIDE WINDOWS
Must not be more reflective than a standard window.

Other California Rules and Regulations



> RESTRICTED COLORS
The tint color(s) of RED are not legal by state law.

> SIDE MIRRORS
Dual side mirrors are required if back window is tinted.
 

> CERTIFICATE REQUIREMENTS
Manufacturers of film do NOT need to certify the film they sell in the state.
 

> STICKER REQUIREMENTS
No sticker to identify legal tinting is required.
 

> MEDICAL EXEMPTION
State law does NOT allow medical exemptions that would allow you use special tint.

CA Tint Laws

Orange County

Inland Empire

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