Town Hall Address 955 Rue St. Francois Florissant, MO 63031 United States- St. Louis County Website https://www.florissantmo.com Town Clerk 314-921-5700 955 Rue St. Francois Florissant, MO 63031 United States Tax Collector 314-921-5700 955 Rue St. Francois Florissant, MO 63031 United States County St. Louis