If you are renewing your green card because it has expired or will expire within the next six months, you will be required to pay a fee of $540 to USCIS. The total fee includes a $455 application fee and an $85 biometrics fee. However, that fee can vary if you are replacing your green card

There are no penalties or fines for an expired green card. When a green card expires, you continue to be a lawful permanent resident. USCIS will not impose an additional fee or penalty. You will pay the same green card renewal fee.

Your green card renewal can be it the mail today. Once you have properly filed Form I-90, it may take 3-5 months receive your new green card. It could takelonger. You can review the green card renewal timeline in What Happens After Filing Form I-90