Doing Business with the County

Supplier Portal

County of Sonoma SealThe County of Sonoma began using a new electronic procurement system for goods and services in February of 2015. 

You must register in the new Supplier Portal in order to:

  • Receive emailed notifications of  new County Bids and RFP’s
  • Review and bid on County issued solicitations
  • Review awarded contracts, purchase orders, invoices, and payments

Instructional documents to assist with registration, account maintenance, and bidding are posted on the Supplier Portal.

Launch the Supplier Portal

Contact Information

Contact us by Phone
La Plaza A
2300 County Center Drive
Suite A208
Santa Rosa, CA 95403
38.46242, -122.725426

Our Buyers