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Window Banners in Washington

Conditional

Greater light reduction is allowed along the top edge only if the product is transparent and does not encroach on the AS-1 portion or extend more than 6 inches from the top. Because the material must be transparent, a printed or opaque banner is not legal in Washington — only a clear tint band.

Verified against primary sources · August 2026

What the law says

Greater light reduction is allowed along the top edge only if the product is transparent and does not encroach on the AS-1 portion or extend more than 6 inches from the top. Because the material must be transparent, a printed or opaque banner is not legal in Washington — only a clear tint band.

Specific Limits

Placement rule
Greater light reduction is allowed along the top edge only if the product is transparent and does not encroach on the AS-1 portion or extend more than 6 inches from the top.
Printed banner allowed
No
Windshield strip allowed
Yes

Exceptions & Exemptions

Banner strip limited to top 6 inches of windshield or AS1 line if marked, whichever is lower. Must not obstruct driver's view. Commercial vehicle exemptions may apply for business identification.

Statute

RCW 46.37.430(5)(e)

Read the statute →

Frequently Asked Questions

Are window banners legal in Washington?
Greater light reduction is allowed along the top edge only if the product is transparent and does not encroach on the AS-1 portion or extend more than 6 inches from the top. Because the material must be transparent, a printed or opaque banner is not legal in Washington — only a clear tint band.
What are the exact window banners limits in Washington?
Placement rule: Greater light reduction is allowed along the top edge only if the product is transparent and does not encroach on the AS-1 portion or extend more than 6 inches from the top.. Printed banner allowed: No. Windshield strip allowed: Yes. Source: RCW 46.37.430(5)(e).
Are there exceptions for window banners in Washington?
Banner strip limited to top 6 inches of windshield or AS1 line if marked, whichever is lower. Must not obstruct driver's view. Commercial vehicle exemptions may apply for business identification.

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