$494
+2.5%
Membership
2017
$1k org
1 hr/wk
Membership at Service Employees International Union Local 263
Fiscal year ended December 31, 2017. Published on January 24, 2026.
Total compensation
William Mason has been listed as an employee of Service Employees International Union Local 263 in Form 990 filings since at least fiscal year 2016. Total compensation for William Mason has increased by 2.5% from 2016 to 2017.