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 "Apply for Loan/Open an Acct" button
Start Your 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.