Our milestones

  • On January 23rd, 1928 Cornerstone Bank was founded as "Watonga State Bank" in Watonga, Oklahoma. 
  • In May of 1992, the bank purchased our Geary location from Chisholm Federal Savings & Loan.
  • Our name changed to Cornerstone Bank in 2006. 
  • In 2008, our Mustang location was opened.
  • In 2013, our Mustang location expanded with the opening of the Business Banking Center.
  • We're looking foward to our next big milestone: our new Oklahoma City Branch opening in 2021!

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