Geography The city is located in the San Rafael Hills, and it is divided into seven zones, based on minimum lot size. The smallest lot size is about , with many averaging over . Because of this and other factors, most of the homes in San Marino, built between 1920 and 1950, do not resemble the houses in surrounding Southern California neighborhoods (with the exception, perhaps, of neighboring portions of Pasadena). San Marino has also fostered a sense of historic preservation. With minor exceptions, the city has strict design review and zoning laws.
Geography The city is located in the San Rafael Hills, and it is divided into seven zones, based on minimum lot size. The smallest lot size is about , with many averaging over . Because of this and other factors, most of the homes in San Marino, built between 1920 and 1950, do not resemble the houses in surrounding Southern California neighborhoods (with the exception, perhaps, of neighboring portions of Pasadena). San Marino has also fostered a sense of historic preservation With minor exceptions, the city has strict design review and zoning laws.