Highest Concrete employee salary in year 2017 was $152,517. Concrete employees number in year 2017 was 105. Concrete average salary was $39,738 and median salary was $31,040. According to the last payroll, Concrete average salary is 47 percent lower than USA average and 48 percent lower than Washington state average. Concrete employee salaries are usually between $16,099 and $64,554. Top 10% of highest-earning employees have salaries ranging from $78,738 to $152,517. From 2016 to 2017, the average salary of employees at this employer increased 0.5 percent, the median salary increased 1.0 percent.