All Employees: Construction: Heavy and Civil Engineering Construction in Washington was 20.20000 Thous. of Persons in March of 2024, according to the United States Federal Reserve. Historically, All Employees: Construction: Heavy and Civil Engineering Construction in Washington reached a record high of 26.20000 in September of 2007 and a record low of 13.90000 in January of 1993. 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 April of 2024.