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California State Window Tinting Laws

Automotive Window Tint Laws in California:

 
How dark can window tint be in California?
Windshield: Non-reflective tint is allowed on the top 4 inches of the windshield.
Front Side Windows: Must allow more than 70% of light in.
Back Side Windows: Any darkness can be used.
Rear Window: Any darkness can be used.
 
How reflective can window tint be in California?
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 automotive window tinting rules & regulations:
Restricted Colors: The tint color(s) of RED AMBER BLUE 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.