Fall Crop Insurance Deadline: September 30
September 30 is the deadline to purchase or make changes to your Fall Crop Insurance coverage. As harvest approaches, now is the time to review your policy and ensure your operation has the protection it needs.
Grow Your Career With Us
Build your career with Security First! Explore opportunities across banking, insurance, marketing, operations, and more.
Video Teller
Bank the way that works best for you! In addition to our in-person tellers, Video Teller offers another convenient way to connect with a real Security First Bank team member for your banking needs.
Ag Loans for Every Season
Supporting agriculture starts with financing that fits your operation. Our experienced ag lenders offer flexible loan options to help with operating expenses, equipment, livestock, land, and more.
Flexible Home Equity Options
Make the most of your home’s equity. Explore flexible home equity financing options to help with home improvements, major expenses, unexpected costs, and more.
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.
Community News
Security First Bank Supports Breast Cancer Awareness
September 26th, 2026
Throughout October, Security First Bank is proud to come together in support of Breast Cancer Awareness Month and organizations making a difference for those impacted…
Security First Bank Celebrates Opening of New Spearfish Branch
September 3rd, 2026
Security First Bank is excited to officially open the doors to its new Spearfish branch, located at 2405 E. Colorado Blvd., next to Starbucks. As…
Security First Bank Supports He Sapa Otipi’s Vision for New Indigenous-led Community Center
July 23rd, 2026
Rapid City, S.D. — He Sapa Otipi is grateful to announce a generous gift from Security First Bank in support of its capital campaign to build…