SBA loan basics
Short answer
SBA 7(a) loan interest rates are primarily adjustable (variable), meaning they can change over the life of the loan. However, some lenders may offer fixed-rate options, especially for smaller loan amounts or shorter terms.
Most SBA 7(a) loans have a variable interest rate, typically tied to the Wall Street Journal Prime Rate plus a spread. The spread is negotiated between the borrower and the lender, subject to SBA maximums. The SBA also permits other base rates like the Secured Overnight Financing Rate (SOFR).
A business secures a $750,000 SBA 7(a) loan with an interest rate of Prime + 2.75%. If the Prime Rate changes from 8.50% to 8.75%, the loan's interest rate will adjust from 11.25% to 11.50%.
Insider move
Lenders must clearly disclose whether the rate is fixed or variable and fully explain how the variable rate is calculated and adjusted. They must adhere to SBA maximum interest rate caps, which vary by loan size and term.
13 CFR Part 120 — Business Loans
Office of the Federal Register · Federal regulation
7(a) Loan Program — Terms, Conditions, and Eligibility
U.S. Small Business Administration · Official SBA source
SOP 50 10 - Lender and Development Company Loan Programs
7(a) Alternative Base Rate Options
Last checked 2026-06-13. Official sources control — verify before relying on any rule for a live deal.
Last reviewed 2026-06-13 · SBA sources checked through 2026-06-13. DealRoom analysis of public SBA 7(a) lending records (FY2020–present). Grounded in the current SBA rulebook; verify against the official sources above before relying on it for a live deal. Not legal, tax, or financial advice, and not an approval decision.
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