Welcome to Vendor Self Service

Welcome to Washtenaw County's self service for business vendors and county employees wishing to register for electronic deposit of reimbursements.

Vendor Self Service gives existing and potential vendors access to their information and records online. Vendors have the ability to view purchase orders and invoices, and update their profile, address, contact information, and commodities.

Already a vendor with Washtenaw County?

Please read these instructions to tie your login to your existing vendor number are here.

Looking to become a vendor with Washtenaw County?

Make sure you have all the information you need to register by reading our instructions for registering as a new vendor.