SCAM ALERT: We've been notified by our members that imposters are spoofing our phone number and are asking for personal information. We will NEVER call to ask you for personal or confidential information such as PIN, login or passcode. If you do receive a call like this, hang up and call our main number.

Helping you build what’s next.

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Proudly voted one of San Antonio’s top credit unions!

  • Earn more on your money
  • Pay less in fees
  • Get real guidance from a local, trusted partner

Why Join Firstmark

Hear From Our Members

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Join Online

Joining is easy. Most people finish in under 10 minutes.

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Join By Phone

Give us a call and will complete your application over the phone.

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Join In Person

We’d love to see you, visit a branch we will set you up with an account.

Supporting Education

The Firstmark Foundation is a non-profit, 501(c)(3) public charity focused on giving back to the education community.
Firstmark Credit Union, the Foundation, and Power of the Dollar® members have collectively given:

$145,000

Education Grants
Since ’08

$420,000

High Impact Grants
Since ’21

$345,000

Scholarships
Since ’94

Let's Get Started

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