Town Hall Address 408 North Spokane St. Post Falls, ID 83854 United States- Kootenai County Website https://www.postfalls.gov Town Clerk 208-773-3511 408 North Spokane St. Post Falls, ID 83854 United States Water 208-773-3511 408 North Spokane St. Post Falls, ID 83854 United States Tax Collector 208-777-4504 408 North Spokane St. Post Falls, ID 83854 United States County Kootenai