No dwelling shall have a height of more than two stories, except as provided by Section 17.52.090 nor shall any building or structure have a height in excess of twenty-five (25) feet, except as provided for in this section and by Section 17.52.090. Provided the parcel has a median lot depth of at least one hundred (100) feet, a median lot width of at least seventy (70) feet, and effective lot frontage of at least fifty (50) feet, the height of a dwelling may be increased by two feet for each full ten feet than the median lot width exceeds seventy (70) feet up to a maximum height of thirty (30) feet. (Ord. 97-70 § 1: prior gen. code § 8-26.8)