You can file your Federal Extension with TurboTax Easy Extension
https://turbotax.intuit.com/irs-tax-extensions/
For your State Extension
While the IRS requires you to file Form 4868 in order to request a tax extension, each state has its own requirements for obtaining a similar extension. Some states such as California offer automatic extensions to all taxpayers, while other states require you to file a specific form by the original due date of the return. Here are some tips to help walk you through what you need to do when filing state taxes in your area:
Step 1: Check-in with your state tax authority
Some states including Wisconsin, Alabama and California offer automatic extensions to file your state income tax return without having to file any additional forms. Other states, such as New York, will grant you a extension but you must request it. For the nine states that do not impose a state income tax, you don’t even have to file an income tax return, let alone request an extension. Reach out to your state tax authority to confirm which steps you will need to follow.
