On October 30, 2020, the Marathon oil refinery in Contra Costa County, California, was permanently shut down and 345 unionized workers laid off. The findings in this report focus on these workers’ post-layoff job search, employment status, wages, and financial security. The Marathon refinery’s closure sheds light on the employment and economic impacts of climate change policies and a shrinking fossil fuel industry on fossil fuel workers in the region and more broadly.