Silicon Valley real estate, explained by the Property Nerds®

South San Francisco’s public parcel and zoning records give the zoning and an outline for every parcel in the city. We took the 10,194 lots zoned RL-8, the city’s low-density residential district, 1,500 square feet or more, measured each from its outline, placed it in our neighborhood guide outlines

The City of San Bruno’s public parcel layer carries the San Mateo County assessor’s property use code, year built and lot area for the city’s parcels. We took the 10,227 parcels the assessor codes as a single-family home (with or without an ADU), placed each in our neighborhood guide outlines, check

San Mateo County’s public parcel layer gives an outline and a property use code for every parcel. We took the 5,369 parcels with the county’s single-family use code, 1,500 square feet or more, inside our five Millbrae neighborhood guides, measured each lot from its outline, checked its center agains