What is the highest legal interest rate you can charge?
Sarah Duran
Published Mar 03, 2026
The interest rate for any legal indebtedness is 6% per year, unless a different rate is specified by written agreement, but the maximum rate is 8%. Exceptions include, amount others, contracts for more than $100,000; those involving ERISA, business, and agricultural loans; and loans secured by savings accounts.
Are late fees usurious?
According to the California Supreme Court, contractual obligations for payment of interest charges (even if over 10% per annum) on late payments is valid, legal and not subject to California’s usury limitations.
What is the maximum late fee allowed by law in California?
There is no monetary value limit on how much you could charge, but California state law implies that you can only charge a “reasonable estimate of the amount that the lateness of the payment will cost the landlord.” In other words, the most common late rent fee would be a 5% fee of the rent value.
What are the maximum interest rate laws in California?
Maximum interest rate laws, also known as usury laws, limit the amount of interest businesses can charge for loans. This is meant to protect consumers from excessive interest rates and from going into lifelong debt. But California’s usury laws have a long list of exceptions that include most traditional lenders.
Can You charge interest on unpaid balances in California?
Therefore, interest charges on unpaid balances for goods or services are not subject to California’s usury laws. That all said individuals and small business should exert extreme caution if seeking to charge an interest rate of more than 10% per year on unpaid goods and/or invoices.
How is the interest rate calculated in California?
One thing to understand about California usury law is that this rate is based on the unpaid balance at the end of the year. Basically, the law uses a simple interest rate calculation, rather than a compound one. For example, let’s say you take out a one-year personal loan for $2,000.
Is it legal to pay interest on late payments in California?
According to the California Supreme Court, contractual obligations for payment of interest charges (even if over 10% per annum) on late payments is valid, legal and not subject to California’s usury limitations.