Dwellings in the Historic District Overlay subject to all of the following requirements.
A. Manufactured homes are prohibited.
B. Dwellings shall conform to the maximum permitted floor area standards of section 18.2.5.070, except that dwellings exceeding the maximum permitted floor area are allowed subject to approval of a Conditional Use Permit under chapter 18.5.4.
C. Notwithstanding the height standards of the R-1 zone, structures within the Historic Overlay shall not exceed a height of 30 feet.
D. Retail commercial uses in a dwelling unit within the Railroad Historic Overlay are subject to approval of a Conditional Use Permit under chapter 18.5.4 and shall conform to the standards of section 220.127.116.11.