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City of San Mateo Municipal Code.

26.20.020 SIZE.

(a) The minimum area and dimensions of all lots shall conform to the requirements of this code, the design standards and specifications or to an approved planned unit development or a planned community development pursuant to provisions of this code. Where difficult terrain or other unusual conditions exist, lots larger than the minimum area shall be required in order to accomplish the purposes set forth in this title.

(b) Subdivisions that result in new parcels which are not in compliance with the requirements of Chapter 23.40 are prohibited and may not receive an exception under this chapter.