Known as a "high-ranch-style home," as such term is defined herein, shall be constructed on a lot containing less than 6,000 square feet of land area and having a minimum continuous lot width throughout the depth of such lot, as measured from side lot line to side lot line, of 60 feet, and, any other provision of this chapter or any other ordinance or local law to the contrary notwithstanding, no such building shall be constructed with a minimum setback and open front yard of less than 25 feet in depth, as measured from the front property line of the premises to the front of the building line of such building. The minimum lot area per family for two-or-more-family residential occupancies in any such building shall be 6,000 square feet per family.