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City of San Mateo Municipal Code.

27.28.032 USABLE OPEN SPACE REQUIREMENTS.

(a) The open space requirements of this district are in addition to open space requirements resulting from the approval and filing of a subdivision map, or open space required of a planned unit development in accord with the City's general plan or any required off-street parking areas or driveways. Open space required by this section is intended to be for the use and enjoyment of the residents of the development.

(b) Each dwelling unit shall be provided with the following:

(1) Not less than 100 square feet per dwelling unit of private usable open space directly accessible to each unit provided that no single creditable private usable open space shall be less than eighty (80) square feet or have a dimension of less than eight (8) feet in each direction, or

(2) 150 percent of the private usable open space requirement in common usable open spaces provided that no single creditable common usable open space shall be less than 400 square feet with a dimension not less than twenty (20) feet in each direction, or

(3) A proportional combination of both of the above.