Up to
98%
Heat Reduction

San Bruno, California
Window tint rules shape what you can legally fit to a car in San Bruno, and they are easier to work with once you understand how they are measured. This guide explains how tint levels are described in California, why the limits exist and what to check before choosing a shade, so your film suits the car and the road ahead.

Tint that falls outside the rules can be dealt with in several ways, and the outcome depends on the officer, the vehicle and the circumstances. A correction notice is common: you are asked to put the tint right and show that the vehicle now complies. Knowing the limits before film goes on is far simpler than dealing with it afterwards.
Removing film is rarely quick. The adhesive bonds firmly and can leave residue, and rear defroster lines are easily damaged during removal. Choosing a compliant shade at the outset avoids the job entirely.
California sets tint levels separately for different windows and different classes of vehicle, so the first step is knowing which category your car falls into. The diagrams below outline how the limits are described for passenger and multi-purpose vehicles, and they are a useful reference before you pick a film or a shade.
Passenger Vehicles
Sedans, coupes and similar cars are covered as passenger vehicles, with tint levels described window by window rather than as a single figure for the whole car.
A non-reflective tint / sun strip, is allowed 4 inches from the top as long as it does not go past the AS-1 line on your windshield.
The California law allows 70% of light visibility for front side windows.
The California law allows any shade of light visibility for rear side windows.
The California law allows any shade of light in visibility for the rear window.
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Passenger Vehicles
Hatchback, Sedan, Coupe, Station Wagon
Multi-Purpose Vehicles
Trucks, vans and SUVs are treated as multi-purpose vehicles, and the permitted tint level can differ from window to window on the same vehicle.
A non-reflective tint / sun strip, is allowed 4 inches from the top as long as it does not go past the AS-1 line on your windshield.
The California law allows 70% of light visibility for front side windows.
The California law allows any shade of light visibility for rear side windows.
The California law allows any shade of light visibility for rear window tint.
Want a car window tinting quote in San Bruno, CA?
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Multi-Purpose Vehicles
SUV, Van, Truck
Check with local authorities to confirm current requirements.
Kepler IR and IR+ are nano-ceramic films. Visible light transmission is separate from solar heat performance, so lighter shades remain worth considering. Compare the exact film and shade.
Up to
98%
Heat Reduction
Up to
99%
UV Protection
Up to
96%
Glare Reduction
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Select Nebula film for superior privacy and style. Nebula's intense tint provides designed sophistication and defensive capabilities.
What's the next move?
Experience our films in a 360-degree view, enabling our ceramic window tinting San Bruno customers to select the optimal tint shade. Check out our varietyhere.
Tell us about your vehicle and the film you have in mind. Ask a local tinter whether they carry Kepler film or can get it.


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Kepler develops automotive film with durability in mind, so the finish you choose still looks and performs as intended after years of sun, washing and daily use. Whether the goal is added privacy or protecting your interior, ask your dealer to explain the coverage that applies to the specific film you select.
How Kepler works
Kepler makes the film, not the tint job. Independent tinting businesses install window film. For a project in San Bruno, California, ask a local tinter whether they carry Kepler film or can get it, then arrange the work directly with that shop.
Start your quote requestFilm availability and installation services vary by independent shop.
Kepler makes automotive and architectural window film, from everyday tint to nano-ceramic.
Independent tinting businesses install window film. Ask a local shop whether they carry Kepler film or can get it.
Share your project details, then ask an independent local tinter whether they carry Kepler film or can get it.
Check the current official tint rules and enforcement guidance for your vehicle. If you receive a citation, follow the instructions on that notice and confirm any required action with the issuing authority. Do not rely on this page for a penalty amount or a prediction about the outcome.
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