San Francisco undergoes and completes reports and audits to measure the cleanliness of City streets.
San Francisco Street and Sidewalk Perception Study Report - May 2011 - A perception study designed to assess user perceptions of street and sidewalk cleanliness, satisfaction with the condition of various aspects of the streetscape, and the extent to which the City’s voter approved Prop C Charter amendment maintenance standards align with user expectations and perceptions.
Street and Sidewalk Maintenance Six-Month Report FY 2009-10 - March 2010 - This report from the Controller's Office provides results of street and sidewalk inspections conducted in the first half of Fiscal Year 2009-10 and discusses relevant street and sidewalk maintenance efforts.
Tobacco Litter Study - 2009 - Estimates the costs associated with cigarette litter in San Francisco.