Town Hall Address 111 North Virginia Ave. Eureka, MO 63025 United States- St. Louis County Website https://www.eureka.mo.us Town Clerk 636-938-5233 100 City Hall Dr. Eureka, MO 63025 United States Water 636-938-5233 111 N. Virginia Ave. Eureka, MO 63025 United States Sewer 636-938-5233 111 N. Virginia Ave. Eureka, MO 63025 United States Tax Collector 636-938-5233 100 City Hall Dr. Eureka, MO 63025 United States County St. Louis