Join Our Family

Become a Member Today!

Experience the benefits of a hometown credit union! At Security First, our personalized approach to banking ensures you receive exceptional service every time you visit. Enjoy a wide range of financial products and services, including low-interest loans, high-yield savings accounts, and free checking. Join today and discover how a hometown credit union can make a meaningful difference in your financial future.


Why Choose Security First Credit Union?

Since 1947, Security First Credit Union has proudly supported generations of families in the Rio Grande Valley. As a member-owned, not-for-profit cooperative, we prioritize our community by reinvesting profits directly into the RGV—keeping resources right here at home. Unlike traditional banks, we’re driven by our members’ needs, not corporate interests. That’s why we offer exclusive, member-focused products and services, putting you first every step of the way. Learn more about our history here.


Once a M
ember, Always a Member!

Membership with Security First Credit Union is for life—even if you move outside the Rio Grande Valley. If you live, work, worship, or attend school in Cameron, Hidalgo, Starr, or Willacy counties, you’re eligible to join. Immediate relatives of current members—including children, grandchildren, grandparents, household members, parents, siblings, and spouses—are also welcome to become part of our credit union family.

Why Our Members Love Us!

I was 22 years old when my father-in-law introduced me to the credit union, and I’ve been a member ever since. I absolutely love it here. Casandra is amazing—she doesn’t even need me to provide my account number anymore! I truly feel like part of a family whenever I come here.
– Enrique B.

I am very pleased with the service I have always received at Security First. I have been granted loans, which I have successfully repaid, and I have received excellent advice whenever I asked for it (e.g., regarding Share Certificates). The current manager is incredibly kind, and all the tellers are both professional and friendly, consistently going out of their way to assist me.

Hortencia R.
Member since 1977

I’ve been a member of Security First Credit Union since its first location near Mission High School. Over the years, I’ve interacted with various people and handled different matters, like financing cars. Everyone here provides a personalized, one-on-one experience. For the past 10 years, I’ve been fortunate to have the two best personal bankers, Danielle and Cristina. This branch also has the most exceptional Branch Manager, Cindy. I have no complaints—they take excellent care of me!

Alberto V.
Member since 2013

From the Valley, For the Valley

Ready to Join? Here’s What You’ll Need:

 

  • Valid Social Security Number
  • Valid Government-Issued Identification
  • Current Home Address
  • Email Address
  • Cash or a check to fund your account

    A minimum of $5.00 is required to open your membership share account. Additional accounts, such as Checking, Holiday Club Savings, or Money Management, also require minimum deposit funding. Learn more