◆Coateau
Rev. Code Wash. § 46.37.430 · checked 2026-10-01 against statute summaries

Washington window tint laws

In Washington, front side windows must allow 24% of light through, back side windows 24%, and the rear window 24%. Non-reflective tint allowed on the top 6 inches

WindowWashington rule
WindshieldNon-reflective tint allowed on the top 6 inches
Front side windows24% VLT minimum
Back side windows24% VLT minimum
Rear window24% VLT minimum
ReflectivityFront and back side windows must not be more than 35% reflective
Banned colorsred, yellow, amber
Medical exemptionYes
StatuteRev. Code Wash. § 46.37.430

What installers in Washington will tell you

SUVs and vans may use any darkness on back side and rear windows (sedans are limited to 24%, among the darkest sedan floors in the country). Film manufacturers must certify product sold in the state, and dual side mirrors are required if the rear window is tinted.

Frequently asked questions

What is the darkest legal tint on front windows in Washington?

Front side windows must let at least 24% of light through in Washington. Film plus factory glass count together.

Can I use 5% tint in Washington?

No on front side windows. Rear windows are limited to 24% VLT minimum and back side windows to 24% VLT minimum.

Does Washington allow a medical exemption for darker tint?

Yes. Washington allows darker tint with a qualifying medical condition; you typically need a physician's statement kept in the vehicle.

Can I tint the windshield in Washington?

Non-reflective tint allowed on the top 6 inches

Sources

Reference only, not legal advice. Statutes change; confirm with the Washington statute above before you install.