IRAs, minor accounts, and business account must be opened at one of our Financial Centers and require specific documentation. Please call our Member Care Center at (800) 683-1211 or (210) 442-0100 for more information on these types of special accounts.
Login or Enroll into Online Banking
Click "Services" in the menu bar
Click the "Open Another Account" button
Start Your Online Auto Loan Application
Before applying, please have the following ready for yourself and anyone else on the account, including beneficiaries:
Firstmark Credit Union (formerly San Antonio Teachers Credit Union) is a member-owned, locally controlled not-for-profit financial cooperative. It was chartered in 1932, giving it the honor of being the oldest state-chartered credit union in San Antonio, Texas.