Q. Can i claim your state tax deduction based on my contributions towards the a beneficial 529 package? Good. Of several states render citizens good deduction or borrowing toward private income tax statements getting efforts designed to the newest during the-county system plus specific states to own contributions to almost any 529 package. In most cases, you should get in touch with the program on the county to select the certain state income tax laws you to affect investing in an effective 529 plan.