No building, with all accessory buildings, shall occupy a lot of less than 43,560 square feet area, nor shall there be more than one such building, with all accessory buildings, for each 43,560 square feet. Such lot shall have street frontage of not less than 100 feet and shall have a width at the front yard setback line of not less than 150 feet, except that in the case of a corner lot, such lot shall have a street frontage of not less than 150 feet on one street upon which the said lot abuts and not less than 100 feet on any other street upon which the said lot abuts. Said lot shall have a width at the front yard setback line of not less than 150 feet. In the event such lot abuts upon a waterway, such lot shall have a frontage upon such waterway of not less than 100 feet.