2017 State Tax Filing Deadlines

Last updated Jan 22, 2018

Use the table below to check the due dates for state tax returns and tax extensions. You can also find out how to check on the status of your state tax refund.

State	State Return Due Date	State Extension Due Date	State Return Due Date After Extension
Alabama	04/17/2018	04/17/2018	10/15/2018
Alaska	No AK state return due date	No AK state extension due date	No AK state return due date after extension
Arizona	04/17/2018	04/17/2018	10/15/2018
Arkansas	04/17/2018	04/17/2018	10/15/2018
California	04/17/2018	04/17/2018	10/15/2018
Colorado	04/17/2018	04/17/2018	10/15/2018
Connecticut	04/17/2018	04/17/2018	10/15/2018
Delaware	04/30/2018	04/30/2018	10/15/2018
District of Columbia	04/17/2018	04/17/2018	10/15/2018
Florida	No FL state return due date	No FL state extension due date	No FL state return due date after extension
Georgia	04/17/2018	04/17/2018	10/15/2018
Hawaii	04/20/2018	04/20/2018	10/20/2018
Idaho	04/17/2018	04/17/2018	10/15/2018
Illinois	04/17/2018	04/17/2018	10/15/2018
Indiana	04/17/2018	04/17/2018	11/15/2018 (with Federal Extension) - 6/17/2018 (with Form IT-9)
Iowa	05/01/2018	05/01/2018	10/31/2018
Kansas	04/17/2018	04/17/2018	10/15/2018
Kentucky	04/17/2018	04/17/2018	10/15/2018
Louisiana	05/15/2018	05/15/2018	11/15/2018
Maine	04/17/2018	04/17/2018	10/15/2018
Maryland	04/17/2018	04/17/2018	10/15/2018
Massachusetts	04/17/2018	04/17/2018	10/15/2018
Michigan	04/17/2018	04/17/2018	10/15/2018
Minnesota	04/17/2018	04/17/2018	10/15/2018
Mississippi	04/17/2018	04/17/2018	10/15/2018
Missouri	04/17/2018	04/17/2018	10/15/2018
Montana	04/17/2018	04/17/2018	10/15/2018
Nebraska	04/17/2018	04/17/2018	10/15/2018
Nevada	No NV state return due date	No NV state extension due date	No NV state return due date after extension
New Hampshire	No NH state return due date	No NH state extension due date	No NH state return due date after extension
New Jersey	04/17/2018	04/17/2018	10/15/2018
New Mexico	04/17/2018	04/17/2018	10/15/2018
New York	04/17/2018	04/17/2018	10/15/2018
North Carolina	04/17/2018	04/17/2018	10/15/2018
North Dakota	04/17/2018	04/17/2018	10/15/2018
Ohio	04/17/2018	04/17/2018	10/15/2018
Oklahoma	04/17/2018	04/17/2018	10/15/2018
Oregon	04/17/2018	04/17/2018	10/15/2018
Pennsylvania	04/17/2018	04/17/2018	10/15/2018
Rhode Island	04/17/2018	04/17/2018	10/15/2018
South Carolina	04/17/2018	04/17/2018	10/15/2018
South Dakota	No SD state return due date	No SD state extension due date	No SD state return due date after extension
Tennessee	No TN state return due date	No TN state extension due date	No TN state return due date after extension
Texas	No TX state return due date	No TX state extension due date	No TX state return due date after extension
Utah	04/17/2018	04/17/2018	10/15/2018
Vermont	04/17/2018	04/17/2018	10/15/2018
Virginia	05/01/2018	05/01/2018	11/01/2018
Washington	No WA state return due date	No WA state extension	No WA state return due date after extension
West Virginia	04/17/2018	04/17/2018	10/15/2018
Wisconsin	04/17/2018	04/17/2018	10/15/2018
Wyoming	No WY state return due date	No WY state extension	No WY state return due date after extension

Ines Zemelman, EA

Founder of TFX