A. In instances where a building has a basement and the measurement of the vertical distance between the average natural grade of the site to the finished floor of the first story measures less than two feet, the basement area shall not be included in the calculation of floor area (see figure 17.44.040-1 (Basements and Floor Area)).

B. In instances where a building has a basement and the measurement of the vertical distance between the average natural grade of the site to the finished floor of the first story measures more than two feet, the basement area shall be included in the calculation of floor area (see figure 17.44.040-1 (Basements and Floor Area)).

C. Exceptions to the requirement of this section for hillside properties (where the average cross-slope is greater than twenty percent as determined under section 16.24.050 (Lot Size Requirements) of the town municipal code) may be permitted upon issuance of a special structure permit, provided landscape screening is maintained.