# Washington · rear window — State Window Tint Darkness (VLT%) Limits by Window Position For Washington · rear window, jurisdiction is Washington; window position is rear window; vlt min is twenty-four percent; condition is where the vehicle is equipped with outside rearview mirrors on both the right and left; statute citation is Wash. Rev. Code 46.37.430(5)(a), recorded from its source on 2026-08-27. - **jurisdiction:** Washington _(our reading, not quoted from the source)_ - **window position:** rear window _(our reading, not quoted from the source)_ - **vlt min:** twenty-four percent _(verified: appears in the quote below)_ - **condition:** where the vehicle is equipped with outside rearview mirrors on both the right and left _(verified: appears in the quote below)_ - **statute citation:** Wash. Rev. Code 46.37.430(5)(a) _(our reading, not quoted from the source)_ ## What the source says > (5) No film sunscreening or coloring material that reduces light transmittance to any degree may be applied to the surface of the safety glazing material in a motor vehicle unless it meets the following standards for such material: (a) The maximum level of net film sunscreening to be applied to any window, except the windshield, shall have a total reflectance of thirty-five percent or less, and a light transmission of twenty-four percent or more, where the vehicle is equipped with outside rearview mirrors on both the right and left. Installation of more than a single sheet of film sunscreening material to any window is prohibited. ## Source - https://app.leg.wa.gov/RCW/default.aspx?cite=46.37.430 Last verified: 2026-08-27. Review by: 2027-02-23. Part of [State Window Tint Darkness (VLT%) Limits by Window Position](https://referencesource.org/state-window-tint-vlt-limits/).