(1)The county assessor shall prepare a new construction roll, which shall be in addition to the property roll, which new construction roll shall show:
(a)The name of the taxpayer;
(b)The description of the new construction, suitably detailed to meet the requirements of the individual county;
(c)The amount of taxable market value added to the property on the current year’s property roll that is directly the result of new construction;
(d)The amount of taxable market value added as provided in subsection (3)(f) of this section as a result of dissolution of any revenue allocation area; and
(e)The amount of taxable market value to be deducted to reflect the adjustments required in this paragraph:
(i)Any board of tax appeals or court-ordered value change, if property has a taxable value
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(1) The county assessor shall prepare a new construction roll, which shall be in addition to the property roll, which new construction roll shall show:
(a) The name of the taxpayer;
(b) The description of the new construction, suitably detailed to meet the requirements of the individual county;
(c) The amount of taxable market value added to the property on the current year’s property roll that is directly the result of new construction;
(d) The amount of taxable market value added as provided in subsection (3)(f) of this section as a result of dissolution of any revenue allocation area; and
(e) The amount of taxable market value to be deducted to reflect the adjustments required in this paragraph:
(i) Any board of tax appeals or court-ordered value change, if property has a taxable value lower than that shown on any new construction roll in any one (1) of the immediate five (5) tax years preceding the current tax year;
(ii) Any reduction in value resulting from correction of value improperly included on any previous new construction roll as a result of double or otherwise erroneous assessment;
(iii) Any reduction in value resulting from the exemption provided in section 63-602W (4), Idaho Code, in any one (1) of the immediate five (5) tax years preceding the current tax year; and
(iv) Any voluntary reduction in value reflecting a portion of certain homestead exemptions as provided in section 63-602G (10), Idaho Code.
(2) As soon as possible, but in any event by no later than the first Monday in June, the new construction roll shall be certified to the county auditor and a listing showing the amount of value on the new construction roll in each taxing district or unit shall be forwarded to the state tax commission on or before the fourth Monday in July. Provided however, the value shown in subsection (3)(e) of this section shall be reported to the appropriate county auditor by the state tax commission by the third Monday in July and the value sent by the county auditor to each taxing district. The value established pursuant to subsection (3)(e) of this section is subject to correction by the state tax commission until the first Monday in September, and any such corrections shall be sent to the appropriate county auditor, who shall notify any affected taxing districts.
(3) Except as otherwise provided in this subsection, the value shown on the new construction roll shall include ninety percent (90%) of the taxable market value increase from:
(a) Construction of any new structure that previously did not exist, once it is completed and taxable;
(b) Additions or alterations to existing nonresidential structures;
(c) Installation of new or used manufactured housing that did not previously exist within the county;
(d) Property newly taxable as a result of loss of the exemption provided by section 63-602W (3) or (4), Idaho Code;
(e) The construction of any improvement or installation of any equipment used for or in conjunction with the generation of electricity and the addition of any improvement or equipment intended to be so used, except property that has a value allocated or apportioned pursuant to section 63-405, Idaho Code, or that is owned by a cooperative or municipality as those terms are defined in section 61-332A, Idaho Code, or that is owned by a public utility as that term is defined in section 61-332A, Idaho Code, owning any other property that is allocated or apportioned. No replacement equipment or improvements may be included;
(f) Provided such increases do not include increases already reported on the new construction roll as permitted in paragraphs (i) and (j) of this subsection, increases in value over the base value of property on the base assessment roll within an urban renewal revenue allocation area that has been terminated pursuant to section 50-2914, Idaho Code, to the extent that this increment exceeds the incremental value as of December 31, 2006, or, for revenue allocation areas formed after December 31, 2006, eighty percent (80%) of the increment value. Notwithstanding other provisions of this section, the new construction roll shall not include new construction located within an urban renewal district’s revenue allocation area, except as provided in this paragraph or paragraph (k) of this subsection;
(g) New construction, in any one (1) of the immediate five (5) tax years preceding the current tax year, allowable but never included on a new construction roll, provided however, that for such property the value on the new construction roll shall reflect the taxable value that would have been included on the new construction roll for the first year in which the property should have been included;
(h) Formerly exempt improvements on state college-owned or state university-owned land for student dining, housing, or other education-related purposes approved by the state board of education and board of regents of the university of Idaho as proper for the operation of such state college or university, provided such improvements were never included on any previous new construction roll;
(i) Increases in base value when due to previously determined increment value added to the base value as required in sections 50-2903 and 50-2903A, Idaho Code, due to a modification of the urban renewal plan. In this case, the amount added to the new construction roll will equal eighty percent (80%) of the amount by which the increment value in the year immediately preceding the year in which the base value adjustment described in this subsection occurs exceeds the incremental value as of December 31, 2006, or, for revenue allocation areas formed after December 31, 2006, the entire increment value; and
(j) Increases in base value when due to previously determined increment value added to the base value as a result of a de-annexation within a revenue allocation area as defined in section 50-2903, Idaho Code. In this case, the amount added to the new construction roll will equal eighty percent (80%) of the amount by which the increment value in the year immediately preceding the year in which the de-annexation described in this subsection occurs exceeds the incremental value as of December 31, 2006, or, for revenue allocation areas formed after December 31, 2006, the entire increment value within the area subject to the de-annexation.
(k) In the case of a fire protection district or ambulance service district that encompasses all or part of any urban renewal revenue allocation area that such district withdrew from pursuant to section 50-2906 (5), Idaho Code, eighty percent (80%) of the increment value may be included on the new construction roll for the year in which the district withdrew from such urban renewal revenue allocation area. Each year thereafter, ninety percent (90%) of the taxable value of otherwise qualifying new construction shall be included in the new construction roll for such fire protection district or ambulance service district, even if such new construction would not otherwise qualify because it was located within a revenue allocation area.
(4) The amount of taxable market value of new construction shall be the change in net taxable market value that is attributable directly to the new construction or loss of the exemption provided by section 63-602W (3) or (4), Idaho Code. It shall not include any change in value of existing property that is due to external market forces such as general or localized inflation, except as provided in subsection (3)(f) of this section.
(5) The amount of taxable market value of new construction shall not include any new construction of property that has been granted a provisional property tax exemption, pursuant to section 63-1305C, Idaho Code. A property owner may apply to the board of county commissioners, if an application is required pursuant to section 63-602, Idaho Code, for an exemption from property tax at the time the initial building permits are applied for or at the time construction of the property has begun, whichever is earlier, or at any time thereafter.
(6) The amount of taxable market value of new construction shall not include any new construction of property for which an exemption from sales and use tax has been granted pursuant to section 63-3622VV, Idaho Code.
[63-301A, added 1997, ch. 117, sec. 13, p. 313; am. 1998, ch. 95, sec. 2, p. 342; am. 2002, ch. 143, sec. 6, p. 402; am. 2002, ch. 344, sec. 1, p. 962; am. 2003, ch. 8, sec. 1, p. 15; am. 2003, ch. 16, sec. 15, p. 64; am. 2007, ch. 135, sec. 1, p. 395; am. 2010, ch. 254, sec. 1, p. 644; am. 2010, ch. 283, sec. 1, p. 760; am. 2011, ch. 151, sec. 28, p. 433; am. 2011, ch. 175, sec. 1, p. 496; am. 2012, ch. 192, sec. 2, p. 518; am. 2016, ch. 349, sec. 8, p. 1025; am. 2018, ch. 194, sec. 2, p. 432; am. 2020, ch. 335, sec. 2, p. 975; am. 2021, ch. 360, sec. 2, p. 1113; am. 2022, ch. 310, sec. 1, p. 999; am. 2024, ch. 168, sec. 3, p. 647; am. 2025, ch. 300, sec. 9, p. 1268.]