Ashton State Bank

The bank office at 295 Center Avenue in Ashton, Sherman County, now trades as Cornerstone Bank. Ashton State Bank, chartered in 1908, merged into the York-based Cornerstone Bank on 25 October 2022, and the branch lobby opens weekdays 8:30 a.m. to 4:30 p.m. FDIC-Insured - Backed by the full faith and credit of the U.S. Government.