MCB Tax CPAs have compiled a list of 2018 IRS tax filing extension deadlines for the 2017 tax year. Contact an MCB Tax Advisor today at 703-218-3600 to discuss your tax filing extension needs.
| IRS Extended Tax Form | 2018 Extended Due Dates (Tax Year 2017) |
| Form 1065 Extended Return | September 17th |
| Form 1120S Extended Return | September 17th |
| Form 1041 Extended Return | October 1st |
| Form 1120 Extended Return | October 15th |
| Form 1040 Extended Return | October 15th |
| Form 990 Series Extended Return | November 15th |
| Form 5500 Series Extended Return | November 15th |