Firstmark Credit Union Online Banking Login

Firstmark Credit Union (initially known as San Antonio Teachers Credit Union) is a member-owned, locally managed non-profit financial cooperative. It was established in 1932, making it the oldest state-chartered credit union in San Antonio, Texas.

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Firstmark Credit Union offers convenient online banking for its personal and business banking members. This service is only available to members who enroll in online banking. Online Banking allows you access your bank accounts 24/7 in the comfort of your office or home. This guide will show you the enrollment, password reset and login steps.


If you are an online banking customer with Firstmark Credit Union, use these login steps to access your account:

Step 1- Open this link to access Firstmark Credit Union website in your browser

Step 2- In the homepage, please enter your Username and password in the shown fields, then click Login within the Online Banking Login section


You will access your account after your login credentials are approved.


If you have problems recalling your online banking password, please follow these steps to reset it:

Step 1- In the homepage, enter your Username in the shown field and tick the Forgot Password checkbox, then click Login


The bank will take you through the remaining password-reset steps.


Firstmark Credit Union allows account holders enroll in its online banking platform. If you are interested in online banking, here are the enrollment steps:

Step 1- In the homepage, click the shown Enroll in Online Banking link to begin the enrollment process


Step 2- Please provide requested information in the New Enrollment Account Verification form, then click Submit Enrollment


The bank after verifying your identity, it will allow you proceed and complete the enrollment process.


With Firstmark Credit Union’s online banking, you are allowed to enjoy the following services:

  • Enjoy 24/7 online account access from just about anywhere.
  • Use one sign-on to view current account information for all your linked accounts.
  • Manage your finances on-the-go with Mobile Banking.
  • Make transfers between your Firstmark CU accounts and your accounts at other financial institutions.

Federal Holiday Schedule for 2023 & 2024

These are the federal holidays of which the Federal Reserve Bank is closed.
Firstmark Credit Union and other financial institutes are closed on the same holidays.

Holiday 2023 2024
New Year's Day January 2 January 1
Martin Luther King Day January 16 January 15
Presidents Day February 20 February 19
Memorial Day May 29 May 27
Juneteenth Independence Day June 19 June 19
Independence Day July 4 July 4
Labor Day September 4 September 2
Columbus Day October 9 October 14
Veterans Day November 10 November 11
Thanksgiving Day November 23 November 28
Christmas Day December 25 December 25


  1. Alturo V. Perez

    Hello My Name is Alturo Perez and i cant get into my online banking it say wrong password and wrong username which it is blackcujo1 and with the same password i have log in with that username. please tell me what to do to log in on my desktop pc.

  2. Gloria Acosta

    can not login into online services keeping saying wrong password or usernusername


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