Finance Forms

The Finance Division publishes certain forms for business to have access to, to do business with Washington County.

Payables / Procurement / Receivables Forms

ACH Enrollment Form (PDF 4.38 MB)(Link downloads document)

W-9 Blank Fillable Form (PDF 137.51 KB)(Link downloads document)

W-9 Supplier Letter (PDF 2.09 MB)(Link downloads document)

W-9 for Washington County (PDF 59.04 KB)(Link downloads document)

Washington County IRS Tax Exemption Letter (PDF 49.02 KB)(Link downloads document)

Washington County Oregon Business Registry Resale Certificate (PDF 34.88 KB)(Link downloads document)

Location

Charles D. Cameron Public Services Building exterior

Finance

155 N First Avenue
Hillsboro, Oregon 97124

Hours and directions

View all county locations