In general, it isn't beneficial to file separately. However, there are limited circumstances where it would be better. See the links indicated below for more information on such circumstances.
You can try preparing them separately and see if it makes a difference before actually filing your returns.
To help ensure accurate calculations, always complete the nonresident return first if filing in multiple states because your resident state will give you a credit for any taxes paid in your nonresident state. Did you prepare your nonresident state return (New York) first when you input your information? This is important to get the credit on your New Jersey Tax return for taxes paid in New York.
Also, you can preview your state's tax returns to see if you are getting the proper credit:
To preview your state tax returns, "Tax Summary":
- Sign in to your TurboTax account.
- Open or continue your return.
- Select Tax Tools from the menu (if you don't see this, select the menu icon in the upper-left corner).
- With the Tax Tools menu open, you can then:
- Preview your entire return: Select Print Center and then Print, save or preview this year's return (you may be asked to register or pay first).
- View only your New York (New Jersey) state return: Select Tools. Next, select View NY (NJ) Tax Summary.
Click here for additional information regarding whether to file jointly or separately.
Click here for information regarding when Married Filing Separately will save you taxes.
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