Town Hall Address 100 N 5th St. Leavenworth, KS 66048 United States- Leavenworth County Website https://www.leavenworthks.org Town Clerk 913-684-0335 100 N 5th St. Leavenworth, KS 66048 United States Tax Collector 913-684-0350 100 N 5th St. Leavenworth, KS 66048 United States County Leavenworth