@joshuabarksatlcs From: 

26 CFR § 1.266-1 

(1) The taxpayer may elect, as provided in paragraph (c) of this section, to treat the items enumerated in this subparagraph which are otherwise expressly deductible under the provisions of Subtitle A of the Code as chargeable to capital account either as a component of original cost or other basis, for the purposes of section 1012, or as an adjustment to basis, for the purposes of section 1016(a)(1). The items thus chargeable to capital account are:

(i) In the case of unimproved and unproductive real property: Annual taxes, interest on a mortgage, and other carrying charges.

(ii) In the case of real property, whether improved or unimproved and whether productive or unproductive:

(a) Interest on a loan (but not theoretical interest of a taxpayer using his own funds),

(b) Taxes of the owner of such real property measured by compensation paid to his employees,

(c) Taxes of such owner imposed on the purchase of materials, or on the storage, use, or other consumption of materials, and(a) Interest on a loan (but not theoretical interest of a taxpayer using his own funds),(b) Taxes of the owner of such real property measured by compensation paid to his employees,(c) Taxes of such owner imposed on the purchase of materials, or on the storage, use, or other consumption of materials,