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State Tax Filing Deadlines - Due Dates for State Income Tax Returns and Tax Extensions

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