Average Base Salary
Average Hourly Rate
The average assistant cost estimator salary in District of Columbia, United States is $64,362 or an equivalent hourly rate of $31. This is 11% higher (+$6,599) than the average assistant cost estimator salary in the United States. In addition, they earn an average bonus of $1,969. Salary estimates based on salary survey data collected directly from employers and anonymous employees in District of Columbia, United States.