SBA Loan Interest Rates – July 2024

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Last update: Jul 5, 2024

The maximum interest rates a bank can charge for an Small Business Administration (SBA) loan depends upon the loan program, loan amount, and loan term. Most SBA loans fall under the SBA’s 7(a) loan or the 504 loan programs. SBA 7(a) loans can be used for a wide variety of purposes, and our post SBA Loan Programs at a Glance may lead you to the 7(a) loan program that is just right for your business. The SBA’s 504 loan program  for limited to purchases of fixed assets and real estate.

Current SBA loan interest rates

The SBA sets a maximum rate that SBA lenders may charge for their loans. These rates depend on the term of the loan and the principal amount of the loan. In October 2009 the SBA revamped how interest rates were charged to borrows for 7(a) loans. The current methodology includes two components to derive the interest rate – a “Fixed Base Rate” plus the “Allowable Interest Spread.” The fixed rate is the same for all loans and does very per month based on interest rates fluctuations. The Allowable Spread is constant and are designed to provide higher rates for are allowed to charge higher rates for smaller loans or loans with longer terms, which typically have higher costs and risks for banks.

Here is a summary of the current maximum rates SBA banks may charge for loans originating this month:

Loan AmountFixed+PrimeSBA Max Interest
$50,000 – $5,000,0003.0%8.5%11.5%
$25,000 – $50,0004.0%8.5%12.5%

The published SBA interest rates are good for the entire month, and new rates are published on the first of every month. Since the implementation of the current methodology in October of 2009, the fixed rate component has been as low as 4.44% (December 2012) and as high as 8.47% (November 2018) under the old methodology.

Beginning November 6, 2018 the SBA went to a new methodology for determining maximum rates. The old system of allowing different interest rates based on loan maturity is gone (in the past lenders could charge more for loans greater than 7 years). In addition, the calculation of the fixed rate and allowable spread has changed. The terminology now is “Fixed Base Rate with Prime.” The Fixed Base Rate ranges from 5.00% for loans over $250,000, 6% for loans between $50,000 and $250,000, 7% for loans between $25,000 and $50,000, and 8.00% for loans under $25,000.

Example 1: For a 7(a) loan (other than SBA Express or Export Express) in the amount of $200,000 with a 7-year maturity, the maximum allowable fixed interest rate was 10.88% [8.13% (SBA Fixed Base Rate for August 2018 based on LIBOR) + 2.75% (SBA maximum spread for loans over $50,000 with a maturity of 7 years or longer)].

The new maximum allowable fixed rate for the same loan would be 11.00% [5.00% (Prime rate for August 2018) + 6.00% (maximum spread over Prime for a fixed rate loan greater than $50,000, but less than $250,000, regardless of the maturity)].

Fixed versus Variable Interest Rates for 7(a) loans

Rates for 7a SBA loans may be fixed or variable over time. With a fixed rate loan, the interest stays the same until the loan is paid off or retired. For variable rate loans, the interest rate may change periodically over time but the variable rate may not exceed the maximum allowed rate as set by the SBA. Banks prefer variable rate loans to reduce interest rate risks especially in periods where rates are anticipated to rise over time.

Other Fees and Expenses for SBA 7(a) Loans

In addition to interest charges, a “Guaranty Fee” on the portion of the loan that is guaranteed by the SBA. Typically the SBA will guarantee 75% – 85% depending on the loan. The Guaranty Fee structure depends on the size of the loan:

Loan AmountGuaranty Fee
$150,001 – $700,0003.00%
$700,001 – $1,00,0003.50%
Amount over $1,000,0003.75%

In addition, a fee of .25% is charged for loans of 12 months or less. A prepayment penalty for loans over 15 years may also be assessed during the first 3 years of a loan (5% for year 1, 3% year 2, and 1% during year 3).

Lastly, an ongoing fee of .546% if charged on all 7(a) Loans.

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