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City of San Mateo Municipal Code.


(a) Use of Nonconforming Building. The nonconforming use of any building, structure, or portion thereof, which is designed or intended for a use not permitted in the district in which it is located, may be changed to another nonconforming use thereof under the procedure provided for obtaining a special use permit under Chapters 27.06 through 27.12, 27.62, 27.74, 27.78 and 27.80.

(b) When any land has been devoted to a nonconforming use, permitted by this code, and the Council, after due notice and lawful hearing thereon, has found and determined that fifty percent or more replacement value of the building or buildings located thereon has become dangerous or injurious to the public health, safety or welfare, by reason of dilapidation, neglect, decay or otherwise, such use shall forthwith revert back to the classification to which it formed an exception, without further hearing or action thereon.