Environmental Engineers Salary in Washington

Environmental engineers in Washington earn the most in Kennewick (average $140,210 a year) and the least in Spokane ($108,330), across the 5 Washington metro areas we cover. Statewide, BLS puts the environmental engineers average at $127,330 and the median at $125,460 for 1,920 workers. The U.S. average for this job is $112,910.

Environmental Engineers average salary by city in Washington

Kennewick$140,210
Seattle$129,200
Bremerton$118,210
Olympia$108,680
Spokane$108,330

Pay, take-home pay and cost of living

City	Average	Median	25th pct.	Take-home*	Cost of living
Kennewick	$140,210	$140,060	$100,200	$107,100	100
Seattle	$129,200	$128,410	$101,700	$99,574	111
Bremerton	$118,210	$121,230	$100,250	$91,991	106
Olympia	$108,680	$108,240	$91,060	$85,286	104
Spokane	$108,330	$108,180	$87,550	$85,040	100

*Average salary after federal and state taxes for a single filer; Washington has no state income tax; Washington's WA Cares (0.58%) and Paid Family and Medical Leave payroll premiums are not included. Cost of living: BEA price parity, U.S. = 100.

Environmental Engineers salary in other states

Environmental Engineers salary by city and state

More about pay in Washington

Sources and how to read this page

Wages: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 estimates for metropolitan areas. SOC code 17-2081.
U.S. and statewide figures: BLS OEWS national and state estimates, May 2025, every employer including rural areas.
Cost of living: Bureau of Economic Analysis regional price parities (RPP), 2024; 100 = U.S. average.

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