Vendor Information

Small Purchase Roster

This roster is for purchases of materials, equipment, and supplies between $5,000 and $25,000. Purchases over $25,000 will be subject to a mandatory formal bidding process.

Small Work Roster

This roster is for public work projects with estimated value between $40,000 and $300,000. This roster is also subject to formal bidding processes.

Prevailing Wage Requirement

All labor on projects is subject to the highest wage rate of Davis Bacon (Federal) Wage Rates or Washington State Prevailing Wage Rates for a classification of work.
Department of Labor & Industries Prevailing Wage

Updating your information

If you wish to update your roster information, please email the old and new information to

Form W-9
If you have not already done so, please complete a Form W-9 Request for Taxpayer Identification Number and Certification available through the IRS and send it to the Auditor's office.

For more information, please refer to:
Kittitas County Resolution 2017-011: Resolution Amending Kittitas County Procedures For A Small Works And A Small Purchase Roster and for the Leases of Personal Property

If you prefer you may print, complete, and deliver the application to the Kittitas County Auditor.