Conducting Business with Sedgwick County

Please see the Purchasing Department website for details, or contact (316) 660-7255 or email the Purchasing Department.

If you or your firm are interested in conducting business with Sedgwick County, register as a Bidder at the Bidder Registration site.

How can we receive our payments faster?

  • Don’t mail your invoices! Save time and postage by sending all invoices to AP_Invoices@sedgwick.gov or faxing to 316-941-5127.
  • Include any purchase order (PO) numbers on the invoices.
  • Include IRS Tax ID / Federal EIN Number (FEIN) on all invoices.
  • To avoid delays in payments, get ACH payments! For more information: Vendor ACH Enrollment Information.

Tax Exempt Information

Sedgwick County is exempt from paying Kansas sales tax. To receive a copy of the County's tax-exempt certificate, please click the following link: 

Sedgwick County W-9