All Employees: Construction: Heavy and Civil Engineering Construction in Washington was 21.48336 Thous. of Persons in May of 2022, according to the United States Federal Reserve. Historically, All Employees: Construction: Heavy and Civil Engineering Construction in Washington reached a record high of 24.42056 in May of 2007 and a record low of 16.65619 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Construction: Heavy and Civil Engineering Construction in Washington - last updated from the United States Federal Reserve on March of 2024.