Building Services Assistant Salary in Seattle, WA.
Updated on: Jan 21, 2026
How much does a Building Services Assistant make in Seattle, WA?
The average Building Services Assistant in Seattle, WA makes $90,944,
51% above the national average Building Services Assistant salary of $60,128.
This pay is 21% greater than the combined average salaries of other metroes San Jose, CA, Tulsa, OK, and New Orleans, LA.
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Building Services Assistant Salary Average
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*Data is estimated and depends on the generous anonymous contributions of individuals