Adjustable Rate Mortgage

An adjustable rate mortgage (ARM) allows you to get into a home with an introductory rate that is initially lower than the current fixed rate offering.



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adjustable rate mortgages

Key Features

Get an introductory rate that is initially lower than the current fixed rate offering

After the introductory period, the rate is variable based on current market conditions

Good option if you plan on moving soon

When you need a lower rate than what the market is offering.

When interest rates are climbing beyond the range that a borrower wants to commit long-term, an adjustable-rate mortgage (ARM) could be the solution. Borrowers can sometimes get lower rates than what is offered for fixed-rate mortgages for an introductory period of the ARM, depending on factors such as credit score and income.




Adjustable-Rate Mortgage Requirements:

  • Minimum 680 credit score
  • Debt-to-income (DTI) ratio cannot exceed 45% (monthly payment will be calculated using the higher of the introductory rate or the fully indexed rate) 
  • Requires at least 5% down payment for conforming loans
  • Can get a loan amount up to the conforming loan limit, currently $726,200 for 2023 (in most areas)
  • Minimum loan amount of $175,000 required to apply*




Adjustable Rate Mortgage FAQs

An adjustable-rate mortgage (ARM) is a type of home loan with an interest rate that changes periodically, based on the market. The introductory period (typically 3, 5, 7, or 10 years) can have an interest rate that is initially lower than the current fixed rate offering. After the introductory period, the rate is variable based on current market conditions. 

Adjustable-rate mortgage advantages include:

  • Typically get an introductory rate lower than the current fixed rate offering
  • Good option if you plan on moving soon (before the introductory period is over)
  • May be eligible to refinance into a fixed-rate loan when interest rates drop 

The borrower works with the lender to determine the introductory period that makes the most sense for them (3, 5, 7, or 10 years). For example, a 3/1 ARM has an introductory rate for the first three years, then will adjust up or down annually based on current market conditions. ARMs can also have caps on how much the rate can go up and floors on how much the rate can go down at each adjustment period. 

Some of the requirements to qualify for an adjustable-rate mortgage include:

  • Minimum 620 credit score
  • Debt-to-income ratio (DTI) cannot exceed 45% (monthly payment will be calculated using the higher of the introductory rate or the fully indexed rate)
  • Requires at least 5% down payment for conforming loans
  • Can get a loan amount up to the conforming loan limit, currently $726,200 for 2023 (in most areas) 

If market rates drop to a point you are comfortable with, you may be able to refinance to a fixed-rate mortgage and lock in that rate. Just make sure you do the math and determine that you will save money, after factoring in closing costs and loan term. 

A minimum loan amount of $175,000 is required to apply. Exceptions include mortgage products for properties located within the Greater Kansas City metro and surrounding areas. Contact a NASB Loan Officer for details on the excluded areas and/or zip codes.





Adjustable Rate Mortgage Calculators



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*Minimum loan amount of $175,000 required to apply. Exceptions include mortgage products for properties located within the Greater Kansas City metro and surrounding areas. Contact a NASB Loan Officer for more details on the specific areas and/or zip codes excluded.