Join as we celebrate the plans to update the Security Bank on 103rd and Mastin! Security Bank of Kansas City 103rd Street branch is one of the 36 offices of the bank and has been serving the financial needs of their customers in Overland Park, Johnson county, Kansas since 1976. Security Bank of Kansas City 103rd Street branch operates as a full service brick and mortar office. For lobby hours, drive-up hours and online banking services please visit the official website of the bank at www.securitybankkc.com