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Washington Window Tint Laws (2026)

Info: Front side windows must let at least 24% of light through; on the windshield, only the top 6 inches may carry non-reflective tint, and it must not extend into the AS-1 area — the marking near the top.

InfoVerified Jun 18, 2026

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Front side windows must let at least 24% of light through; on the windshield, only the top 6 inches may carry non-reflective tint, and it must not extend into the AS-1 area — the marking near the top. (Wash. Rev. Code 46.37.430)

Official source: app.leg.wa.gov →

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Window Tint in states bordering Washington

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

IdahoInfo
Front side windows must let at least 35% of light through; the windshield can't be tinted below the AS-1 line — the marking near the top — or below 6 inches from the top if there is no AS-1 line. (Idaho Code 49-944)
Verified Jun 18, 2026 · Source: legislature.idaho.gov · Full Idaho rule →
OregonInfo
The total light coming through each front side window must be at least 35%; windshield tint is limited to the top 6 inches. (Or. Rev. Stat. 815.221)
Verified Jun 18, 2026 · Source: oregonlegislature.gov · Full Oregon rule →

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