South Dakota Window Tint Laws (2026)

Info: Front side windows must let at least 35% of light through, with a 9% tolerance allowed.

InfoVerified Jun 18, 2026

Front side windows must let at least 35% of light through, with a 9% tolerance allowed. Windshield tint is allowed only above the AS-1 line — the marking near the top of the windshield. (S.D. Codified Laws 32-15-2.4)

Official source: sdlegislature.gov →

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