| The initial federal filing due date for an LLC tax return is the same date as that of an Individual tax return, that is April 15th. This date may change if it falls on a weekend and it follows that in this case, the filing due date would be date of the first monday following the 15th April.
The state filing due date for an LLC tax return usually conforms with that of the Federal tax return. Hence, the initial state filing due date for an LLC tax return is also April 15th, (which may change if it falls on a weekend). | 
