If I filed my extension form 4868 and paid my estimate federal taxes, how do I file my CA state extension and pay my estimated state taxes?

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California gives you an automatic filing extension to October 15, but if you owe, you must submit payment by April 18 to avoid penalties and interest. They offer 3 payment options:

1. Pay by bank account (Web Pay)
2. Pay by credit card
3. Print and mail Form FTB 3519 (3519-PIT) along with your check payment