Our new Dearborn location is open. Parking is available in our lot off of Garfield St, directly across from The Trail Head. You can access that lot from either Garfield St. or Catlin St.

Our Corvallis branch drive-thru & lobby is open during construstruction. Pardon our mess during this time.

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Here for Life.

Photo of our change maker coin, you recieve this when you open a new account.

Open. Choose. Change.

Now when you open a Totally Free Checking Account, you'll receive a. token of our appreciation- a $10 chance to make change in our community.

Learn more

Your new adventure starts here.

It's time to make a bold move. Let our Home Loan specialists finance your dreams.

Lets begin

Learn how to grow your money.

Our free Financial Foundations course makes it easy for you to gain a solid understanding of key financial concepts. We are committed to helping you build a strong financial future.

Start learning today

Financial Calculators

Tools to help you better understand your finances.

Calculator options.

Fraud Protection

Learn how to protect yourself from fraud with good habits.

Find out tips.

Holiday Schedule

While we try to be open as much as possible, we do close a few days out of the year.

Holiday hours.

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Financial Foundations for Adults

Employment Opportunities

Donation request form

With branches in Missoula, Hamilton, Corvallis, Stevensville, Thompson Fall and Plains, First Security Bank proudly serves MIssoula, Sanders and Ravalli Counties.