MO tax rules›St. Louis County

St. Louis County, MO Sales Tax (2026)

Verified Jun 18, 2026

Combined sales tax 8.988% (4.225% MO state + local) — Florissant; unincorporated county 7.738%, varies by city.

Official source: dor.mo.gov →

General legal information, not legal advice — verify important decisions with a licensed professional.

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