An investment in your future.
Green Checking Special
Earn up to 2.78% APY on your Green Checking account.
Connect with a banker using live video technology at a Security First ATM!
Our Most Flexible CD
Our Flex CD allows you to make additional deposits, withdraw funds, and increase your rate one time during the term. Click Learn More for complete account details.
Security First Bank: Banking with you in mind
At Security First Bank, it’s all about you! We make banking easier than ever with our complete approach to customer service. We believe that attention to detail, flexible and innovative services and remarkable customer care are the pillars of successful community banking, and we’ve been committed to those standards since our founding in 1898. We offer personal and business banking, savings, loans, home mortgage, and full insurance services. Whether you have small or large-scale needs, we’re here to serve you.
4th Annual Feeding Hearts Food Drive
March 20th, 2023
Security First Bank, with the help of customers, non-customers, and employees, collected over 3,528 items and donated $11,170 to benefit area food pantries through our…
Rapid City Branch Pledges Donation to Monument Health
February 7th, 2023
Security First Bank, through its bank branch in Rapid City, recently presented a $7,500 check to the Monument Health Foundation in support of the health…
Rapid City Buffalo Crossing Branch Now Open
February 3rd, 2023
Security First Bank is proud to announce the opening of its newly constructed Buffalo Crossing branch on January 30th, at 1919 Hope Court in Rapid…