California Franchise Tax Board Payment Plans: FTB California Cuts Interest Rate to 7%

California taxpayers using payment plans will see some relief this year. The California Franchise Tax Board (CA FTB) confirmed that starting July 1, 2025, the interest on state income tax debts dropped from 8% to 7%. The rate applies from July 1, 2025, through June 30, 2026, and covers individual taxpayers and businesses across California.

Interest Rate Cut Details

The update, detailed on the FTB's official interest and estimate penalty rates page, offers a modest but meaningful break. For people balancing personal income taxes, a tax bill, or even a long-term installment agreement, the change means less money lost to interest and more going toward paying down the balance. The Franchise Tax Board compounds interest daily, so even a one-point drop can make a noticeable difference over months of monthly payment plans.

The State of California sets its interest rate by statute under California Revenue and Taxation Code Section 19521, which ties the state rate to the IRS underpayment rate. The rate is reviewed and adjusted semiannually, with new periods taking effect on January 1 and July 1 each year. The rate reduction from 8% to 7% reflects a shift in that federal benchmark and offers welcome relief for taxpayers managing their financial situation without falling behind or facing new penalties.

How the California Franchise Tax Board Change Affects Payment Plans

The California Franchise Tax Board confirmed the new 7% rate on its official interest and estimated penalty rates page. It applies to personal income taxes, corporate obligations, and franchise tax accounts. The rate runs from July 1, 2025, through June 30, 2026, covering both the second half of 2025 and the first half of 2026.

For individual taxpayers, the drop translates directly into savings. A lower annual interest rate, compounded daily over several months, reduces the total cost of carrying a balance. While the per-month savings may seem modest on smaller balances, they add up meaningfully for families already working through large bills. Businesses also benefit, though their repayment terms are shorter — typically 12 months compared to 60 months for individuals.

Taxpayers with existing installment agreements do not need to take any action to receive the benefit of the lower rate, as interest accrues at the rate in effect at the time it is charged. Taxpayers should confirm how their specific agreement is affected by contacting the FTB directly.

State of California Tax Rates and Federal Context

The State of California sets its tax interest rates by statute, linked to the IRS underpayment rate under California Revenue and Taxation Code Section 19521. The Franchise Tax Board reviews and adjusts the rate semiannually, with effective periods beginning on January 1 and July 1. When the federal underpayment rate rises, state interest follows — raising the cost for taxpayers who already owe.

History shows how volatile these numbers can be. In 2021 and 2022, the interest rate was just 3%, offering relief during a low-rate environment. In the early 1980s, however, taxpayers faced rates as high as 18%, making it extremely difficult for residents and businesses to afford their bills.

The FTB is providing savings by holding the rate at 7% for the period July 1, 2025, through June 30, 2026. Taxpayers should be aware that the rate is reviewed each semiannual period, and another adjustment may be made when the current period ends.

Franchise Tax Board Statement and Tax Professional Insights

According to the FTB's official interest and estimate penalty rates page, the interest rate is 7% for the period July 1, 2025, through June 30, 2026. This single confirmed rate period covers the second half of 2025 and the first half of 2026.

Tax professionals say the update matters for eligible taxpayers managing larger balances. For individual taxpayers on monthly payment plans, reduced daily compounding can make the difference between staying current and falling behind.

Experts warn residents to avoid third-party companies that charge steep fees for services the Franchise Tax Board already provides for free. The official website allows taxpayers to apply online, manage agreements, and securely track payments. Using outside services risks errors and Franchise Tax Board penalties if a taxpayer fails to meet obligations.

What Taxpayers Should Do to Stay Compliant

The FTB urges taxpayers not to pause payments while an application is pending. Interest continues to accrue until the due date, so sending payments on time is essential. Options include mailing checks or drafting funds from a bank account.

If a taxpayer fails to meet the terms of an installment agreement, the state board can issue a tax lien, bank levy, earnings withholding order, or a continuous order to withhold that remains in effect for up to 12 months. These steps can cause financial hardship by restricting access to wages and funds.

Tax professionals encourage eligible taxpayers to review their financial situation often. If monthly payment plans become difficult to afford, the safest option is to request adjustments directly with the Franchise Tax Board before more decisive enforcement actions begin.

Where to Find Official Guidance on State Tax Obligations

The Franchise Tax Board provides official resources for residents on its official website, including eligibility rules, forms, and instructions to apply online. Individual taxpayers and businesses may also mail documents or contact an FTB office by phone for help. The best option is to rely on the official State of California guidance for accurate updates on state tax rules, penalties, and payment plan agreements. 

• California FTB Tax News, April 2025
• FTB Payment Plans Overview
• FTB Interest and Estimated Penalty Rates

By William Mc Lee, Editor-in-Chief & Tax Expert—Get Tax Relief Now