The due date to file your California state tax return and pay 5 any balance due is April 15, 2025. What are online payments?Who can make online payments? We accept major credit card and debit card payments. Payments are made in arrears, meaning the amount you receive each month is the payment for the prior month's benefit. You may qualify for forgiveness of the remaining balance due on your eligible federal student loans based on your employment in a public service job. Customers can pay their bills online, in person, via phone, or via postal mail.