City of San Mateo Law Library
City of San Mateo Municipal Code.


(a) An "accessory building or use" is one which:

(1) Is subordinate to and serves a principal building or principle use; and

(2) Is subordinate in area, extent or purpose to the principal building or principal use served; and

(3) Contributes to the comfort, convenience or necessity of occupants of the principal building or principal use served; and

(4) Is located on the same zoning lot as the principal building or principal use served except where accessory off-street parking facilities are permitted to locate off-site.

(b) An "accessory use" includes, but is not limited to, the following:

(1) A children's playhouse, garden house, private greenhouse, and lath house;

(2) A garage, carport, shed, or building for domestic storage;

(3) Incinerators incidental to residential use;

(4) Stables, private;

(5) Storage of merchandise normally carried in stock on the same lot with any retail service or business use;

(6) Storage of goods used in or produced by manufacturing activities, on the same lot or parcel of ground with such activities;

(7) Off-street motor vehicle parking areas, and loading and unloading facilities;

(8) Public utility facilities: telephone, electric, gas, water and sewer lines, their supports and incidental equipment;

(9) Multi-family recycling collection areas which conform to Section 27.86.030.