The California Health and Safety Code requires an owner or landlord of a dwelling unit to install an approved carbon monoxide detector device in each existing dwelling unit that has a fossil fuel burning heater or appliance, a fireplace, or an attached garage within the following time period: By July 1, 2011 for single-family dwelling units. By January 1, 2013 for all other dwelling units. A carbon monoxide detector is a device that detects the presence of carbon monoxide gas

Tenants in units covered by the San Francisco Rent Ordinance have the right to stay in their units after a foreclosure on the same terms and conditions as before the foreclosure. The covered units continue to be covered by the Rent Ordinance following a foreclosure, and foreclosure is not a just cause for eviction. In response to the rise in foreclosures, legislators amended the Rent Ordinance in 2010 so that it now extends protections even to many tenants in units that wer

In 2010, the San Francisco Health Code was amended to place further restrictions on smoking in San Francisco. Smoking is now prohibited in enclosed common areas of residential apartment complexes. An enclosed common area is an area that is accessible to and usable by residents of different units. Such areas include common halls, elevators, covered parking areas, lobbies, waiting areas, interior stairwells and bathrooms, cooking, dining, lounge, laundry facilities, recreatio