Finding your dream home takes time.

Applying for your loan shouldn't.

Welcome to Security National Bank's Online Mortgage Center.

We're here to guide you through the mortgage loan process in a quick and easy way, so you can focus on what's really important: buying, building or remodeling the home of your dreams.

Why Security National Bank?

We're convenient.


We optimized our loan approval process to save you time and effort. Just answer a few quick questions and be on your way to preapproval, so you can spend more time buying -- not applying.

We're experienced.


Three of SNB's Mortgage Loan Representatives are recognized by the Iowa Mortgage Association as top lenders in the state. Rest assured, we'll be with you every step of the way.

We're local.


We're proud to have been part of Siouxland for more than 130 years. With us, you're a name --  not a number --  which means we'll make sure your questions are answered by a real, live person.

Crunch the Numbers.

It's no secret all of that home mortgage math can be daunting.
Here's an array of online calculators to help you see what you can afford:

Payment / Amortization Calculator

Calculate your monthly payment and see how the principal is paid over time.

Rent vs Own Calculator

Calculate the difference between renting and buying a home.

Annual Percentage Rate Calculator

Calculate the APR for fixed-rate or adjustable-rate loans.

Debt Consolidation Calculator

Determine if you can consolidate your debt by combining it with your home mortgage.

Prepayment Savings Calculator

Find out how soon you can pay off your mortgage by making a prepayment.

Early Payoff Calculator

Determine the additional monthly payment amount needed to pay off the loan sooner.

Refinance Break-Even Point Calculator

Find out how long it will take to "break-even" on a refinanced loan.

Our Locations

Wherever you are in Siouxland, stop by one of our branches and get the mortgage assistance you need:

Downtown Sioux City (Main) Branch

601 Pierce St.

Sioux City, Iowa 51101

T  (712) 277-6500  


Akron Branch

251 Reed Street

Akron, Iowa 51001

T  (712) 568-2472  


Mapleton Branch

313 N. 4th Street

Mapleton, Iowa 51034

T  (712) 882-1343


Dakota Dunes (S.D.) Branch

325 Dakota Dunes Blvd.

Dakota Dunes, South Dakota 57049

T  (605) 232-6060


Moville Branch

245 Main Street

Moville, Iowa 51039

T  (712) 873-3131


Other Branches

To view other Security National Bank branches, click on the link below.