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Closings:

All Security First Bank and Insurance locations will be closed on Thursday, June 19th in observance of Juneteenth. For access to your account, please use our Online and Mobile Banking, ATMs, and night drop boxes. Regular business hours will resume on Friday, June 20th.

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

Travel Smarter: Protect Your Finances and IdentityTravel Smarter: Protect Your Finances and Identity

Travel Smarter: Protect Your Finances and Identity

June 9th, 2025

Before you pack your bags, make sure your finances and identity are protected. Traveling, whether for business or leisure, can leave you vulnerable to theft,…

Security First Bank Expands with New Spearfish BranchSecurity First Bank Expands with New Spearfish Branch

Security First Bank Expands with New Spearfish Branch

May 15th, 2025

Security First Bank has officially begun construction on its new Spearfish branch, marking an exciting expansion into the Northern Black Hills. Located at 2405 E Colorado…

Community Banking Month: Why Local Matters More Than EverCommunity Banking Month: Why Local Matters More Than Ever

Community Banking Month: Why Local Matters More Than Ever

April 1st, 2025

At Security First Bank, April isn’t just another month — it’s Community Banking Month, a time to reflect on what it truly means to be a…