Any lot held in single and separate ownership prior to the adoption of this chapter, whose area and/or width and/or depth are less than the specified minimum lot requirements of this chapter for that district may be considered as complying with such minimum lot requirements, and no variance shall be required, provided that:
A. 
Such lot does not adjoin other undersized lot or lots held by the same owner (whose aggregate area is equal to or greater than the minimum lot area required for that district).
B. 
Such lot has an area of a least 5,000 square feet and a minimum width of at least 50 feet at the required setback line;
C. 
The following minimum yard dimensions are maintained: side yards, eight feet; front and rear yards, 25 feet; and
D. 
All other bulk requirements for that district are complied with.
Any lot in a subdivision whose plat has been approved and properly filed prior to the passage of this chapter and whose area and/or width and/or depth are less than the specified minimum lot requirements of this chapter for that district may be considered as complying with such minimum lot requirements, and no variance shall be required provided that such lot complies with § 210-44.