This survey was conducted by the Earthquake Engineering Research Institute (EERI) in collaboration with local economic development and business organizations as a part of its Resilience Observatory Project funded by U.S. National Science Foundation Award #1235573. This survey was developed by a working group of EERI members including researchers from two universities, a federal agency (USGS), a regional planning agency, and an engineering consulting firm, along with input from EERI staff. This survey gathers information about the economic impacts of the South Napa Earthquake of August 24, 2014.