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project assistant Salary in washington

Based on 7 active job postings in washington  ·  Updated 2026

Min Salary
$45,000
per year
Average Salary
$55,000
per year
Max Salary
$65,000
per year
Jobs Found
7
active listings
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Open project assistant Jobs in washington 7

$140000 Full Time
$140000 Full Time
Holmberg Mechanical Bellevue, Washington
$90000 Full Time
$65000 Full Time
$55000 Full Time
Barin Group Moses Lake, Washington
$55 Full Time
D'Leon Consulting Engineers Seattle, Washington
Full Time

project assistant Salary FAQ

What is the average project assistant salary in washington?
Based on 360 recent job postings, the average annual salary for a project assistant in washington is approximately $55,000, with a range of $45,000 – $65,000.
How do I negotiate my project assistant salary?
Research comparable roles in your area, document your accomplishments, and arrive at negotiations with data. Use total compensation (base + bonus + equity + benefits) as your benchmark, not just base pay.
What factors affect project assistant compensation in washington?
Key factors include years of experience, technical certifications, company size (startup vs. enterprise), industry (tech vs. finance vs. healthcare), and whether the role is remote-first or on-site in a high cost-of-living metro.