In Santa Clara County, Los Gatos, Palo Alto, Santa Clara, Sunnyvale, and the unincorporated area require multi-unit housing to be smoke free. Refer to the Santa Clara County Jurisdictions Comparison Table (PDF) for a comparison of smoke-free policies across Santa Clara County jurisdictions. Additionally, the Housing Authority of Santa Clara County prohibits smoking at all of its properties. In San Mateo County, Belmont, Brisbane, Burlingame, Foster City, Half Moon Bay, Redwood City, San Bruno, San Mateo, South San Francisco and the unincorporated area require multi-unit housing to be smoke free. Statewide, 63 local jurisdictions have adopted smoke free multi-unit housing laws that are considered “strong” by the American Lung Association. Most of these laws require 100% of new and existing housing units to be smoke free.