Average Weekly Hours of All Employees: Construction in California was 36.80000 Hours per Week in January of 2021, according to the United States Federal Reserve. Historically, Average Weekly Hours of All Employees: Construction in California reached a record high of 37.20000 in January of 2017 and a record low of 35.10000 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Average Weekly Hours of All Employees: Construction in California - last updated from the United States Federal Reserve on April of 2024.