Washington State Filing Requirements: Are You Prepared?
- neanderson10289
- Apr 20
- 2 min read
Be in the Know with True Balance Accounting
Running a business in Washington State means more than delivering excellent services—it means meeting your filing requirements on time. At True Balance Accounting, we make sure you’re not just compliant but confident. Here’s your go-to guide for all the essential filing deadlines in Washington State.
✅ Washington State Business Filing Requirements & Due Dates
1. Washington State Business License Renewal
Who: All businesses with a state-issued license
Due: Annually, based on original registration date
Where: WA Department of Revenue
Fee: Varies
2. Washington State Annual Report
Who: LLCs, Corporations, Nonprofits
Due: Annually, during your business's anniversary month
Where: WA Secretary of State
Fee: $60
3. Business & Occupation (B&O) Tax Return
Who: All Washington businesses
Due: Monthly, Quarterly, or Annually
Where: WA DOR My DOR Portal
Due Dates:
Monthly: 25th of the following month
Quarterly: Last day of the month following the quarter end
Annually: April 15th of the following year
4. Sales Tax Returns
Who: Businesses that collect sales tax
Due: Monthly, Quarterly, or Annually
Where: WA DOR My DOR Portal
Due Dates: Same as B&O
5. Employment Security Department (ESD) Wage Reports
Who: Employers with employees
Due: Quarterly
Where: WA ESD
Due Dates:
Q1: April 30
Q2: July 31
Q3: October 31
Q4: January 31
6. Labor & Industries (L&I) Quarterly Reports
Who: Employers with employees
Due: Quarterly
Where: WA Labor & Industries
Due Dates:
Q1: April 30
Q2: July 31
Q3: October 31
Q4: January 31
7. Paid Family & Medical Leave (PFML) Reporting
Who: Employers with W-2 employees
Due: Quarterly
Where: WA Paid Leave Portal
What: Wages, hours worked, and premiums
Due Dates:
Q1: April 30
Q2: July 31
Q3: October 31
Q4: January 31
8. WA Cares Fund Reporting
Who: Employers with W-2 employees
Due: Quarterly
Where: WA Cares Fund Portal
What: Employee wages and contributions
Due Dates: Same schedule as PFML and ESD (quarterly)
9. Tangible Personal Property Listing
Who: Businesses that own personal property used in business (e.g., furniture, equipment)
Due: Annually by April 30
Where: Your county assessor’s office
Note: Required even if you lease or use personal property that belongs to others
10. Unclaimed Property Reporting
Who: Businesses that hold unclaimed funds (e.g., uncashed checks, refunds)
Due: Annually by October 31
Where: WA Department of Revenue – Unclaimed Property Division
Tip: Review outstanding checks and credits regularly
11. Registered Agent Information
Who: LLCs and Corporations
Due: Immediately upon any change
Where: WA Secretary of State
📌 Pro Tip from True Balance Accounting:
“It’s easy to overlook a filing when you’re focused on running your business. That’s why we help our clients track and manage every deadline—so nothing slips through the cracks.”
👩💼 Stay Compliant—Stay Ahead
Don’t let filing requirements become a last-minute scramble. True Balance Accounting offers peace of mind with personalized service and expert compliance support for small business owners across Washington.
📅 Schedule a consultation today to learn how we can simplify your business filings and save you time.
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