Contact information for employers


General tax information and forms

  • 855-829-9243
  • Persons with hearing or speaking impairments can call Washington Relay Service 711
  • Mailing addresses

Paid Family & Medical Leave

Bankruptcy notices

Find tax-related contact information and help for employers

File quarterly unemployment taxes

Pay quarterly unemployment taxes

  • Online
  • Mail: Employment Security Department
    P.O. Box 34467, Seattle, WA 98124
  • Mail monthly billing statement payments to:
    P.O. Box 34949, Seattle, WA 98124-1949
  • Mail paper tax-filing documents to:
    P.O. Box 34729, Seattle, WA 98124-1729
  • Send certified-mail payments to:
    1109 Pacific Ave., Tacoma, WA 98402

Get technical support for EAMS, UIWebTax and ICESA

Questions regarding benefits claims of your former employees

  • 877-504-5607 (Have your 12-digit employer ID number ready before you call.)

Information about your current tax rate

Information for new businesses

  • 855-829-9243, option 4

Information about the federal Work Opportunity Tax Credit

Labor statistics

Governor’s Committee on Disability Issues and Employment

  • Email:
  • Persons with hearing or speaking impairments can call Washington Relay Service 711

Employer assistance to avoid layoffs - Shared Work Program

  • Email
  • 800-752-2500
  • Toll-free fax: 800-701-7754 

Assistance for employers proceeding with layoffs

Report a WARN-size layoff to the department

List job openings / find job candidates (no additional cost)

Report tax cheaters

  • Online
  • 866-266-1987, 360-902-9450

Report unemployment benefits cheaters

  • Online
  • 866-266-1987, option 2
  • Fax: 360-902-9787
  • Mail: Office of Special Investigations
    P.O. Box 9046, Olympia, WA 98507

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