Environmental Engineer.
Washington DC.
$109,000
median salary, 21% above the national average
$85,000 to $139,000. Last updated April 2026.
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Data points to own the conversation.
Environmental Engineer pay in Washington DC ranges from $85,000 to $139,000 in 2026. The median is $109,000, 21% above the national average. Washington DC's job market is shaped by the federal government, defense contractors, and a growing commercial tech sector. Every dollar in that range is negotiable if you come prepared.
Salary range
Where do you fall?
Salary by experience
The gap between entry and lead level is typically $98,000. Where you land depends on years of experience and what you bring to the table.
Entry (0-2 yrs)
$71,000
to $87,000
Mid (3-5 yrs)
$93,000
to $114,000
Senior (6-9 yrs)
$120,000
to $142,000
Lead (10+ yrs)
$136,000
to $169,000
Salary trend
+3% YoYTotal compensation
Base salary is not the full picture. Equity, bonus, and signing can add $28,000 to the total package.
Base
$109,000
Equity
$16,000
Bonus
$10,000
Signing
$2,000
Estimated total: $137,000
How Washington DC compares
Washington DC, DC
$109,000
Cost of living: 25% above average
National Average
$90,000
Washington DC is $19,000 above
Environmental Engineer salary by city
Salary by role in Washington DC
What you should know
Before you negotiate a Environmental Engineer offer in Washington DC, understand the terrain. Washington DC's job market is shaped by the federal government, defense contractors, and a growing commercial tech sector. Cybersecurity, cloud computing, and consulting firms drive demand for cleared professionals. The region's stability, combined with high government pay scales, creates a salary floor that pulls private sector compensation upward. PE licensure, specialization in water treatment or air quality, and experience with EPA regulatory compliance drive the biggest salary differences. Engineers working on remediation of contaminated sites or in the oil and gas sector earn premiums for hazardous conditions expertise.
Junior Environmental Engineers earn $70,000 to $80,000. Mid-career engineers with PE licensure reach $88,000 to $105,000. Senior Engineers and Project Managers command $105,000 to $130,000, while Principal Engineers and Directors at consulting firms exceed $145,000. In Washington DC, those numbers run higher. The cost of living here is 25% above average, and employers adjust to compete.
Base salary is not the full picture. PE-licensed engineers receive immediate salary bumps of 10 to 15%. Annual bonuses of 5 to 12% are typical at consulting firms. Government roles offer pension benefits and strong job security, though base salaries trend 10 to 15% lower than private sector. And on the tax side: dC income tax rates reach 10.75% for high earners. Maryland and Virginia residents working in DC face their own state taxes. Choose your residence jurisdiction carefully to optimize net pay. When someone quotes you $109,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: A security clearance is your strongest negotiation asset. Cleared professionals in DC command 20 to 30% premiums, and transferring your clearance to a new employer saves them significant time and cost. The range for Environmental Engineers in Washington DC runs from $85,000 to $139,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Sources: SEC filings, H-1B LCA (DOL), BLS OES, 50+ job posting platforms. COL: BEA Regional Price Parities (2025). Data verified by Justin Bartak, Founder & Chief AI Officer. Last verified April 8, 2026. Full methodology
Considering a related role?
- A Financial Advisor in Washington DC earns $110,000 (1% more)
- The highest-paying role in Washington DC is Chief AI Officer at $395,000
Common questions.
Environmental Engineer salary in other cities
Other salaries in Washington DC
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