Washington Sales Tax Payment and Reporting Rules

Reporting period:

• Generally: Monthly, by 25th day of the month.
• Other: Quarterly, if annual estimated tax is less than $4,800; annually, if annual estimated tax is less than $1,050.
• Administration:
  Department of Revenue
  P.O. Box 47450
  Olympia, WA 98504-7450
  Phone: 800-647-7706