Helpful Business Resources

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Listed below are additional telephone numbers for state and local agencies that may be helpful to your business:

City Agencies

Information 425-452-6800
Cultural and Economic Development 425-452-5241

Development Services

Permits 425-452-6800
Zoning 425-452-4188
Code Compliance 425-452-4188

Washington State

Department of Revenue (tax questions) 1-800-647-7706
Department of Revenue (Business Licensing Service) 1-800-451-7985
Employment Security Tax Office 425-649-4388
Department of Labor & Industries 425-990-1400

King County

Property Tax 206-296-3850


Internal Revenue Service 1-800-829-1040
Bellevue Office 425-456-9637


Bellevue Tax Division
450 110th Ave NE
Bellevue, WA 98004
Business Hours
Monday - Friday, 8:00am - 5:00pm
(Closed on legal holidays)
Mailing Address
P.O. Box 90012, Bellevue, WA 98009
Mail Tax Returns With Payment To
P.O. Box 34372, Seattle, WA 98124