For federal purposes, the credit for home improvements expired
at the end on 2016, with the exception of certain solar equipment.
Form
5695 Expiration
If you itemize, you'll be able to deduct sales tax paid on the
construction materials. Tax paid
combines with the rest of your itemized deductions, to come up with a total to
be subtracted from your adjusted gross income, leaving you with your taxable
income.
That figure transfers over to your AR return, so it doesn't get
reported separately; it's already excluded from your AR return.
