The Calvert County Purchasing Office is responsible for procuring commodities and services required by Calvert County Government. The Department of Public Works, the Capital Projects Coordinator and the Purchasing Office administer the procurement of professional services and major construction for capital projects.

A list of vendors is maintained on the automated bidders list. Vendors wishing to be placed on the bidders list must complete a Calvert County Vendors Application, specifying those commodities/services they provide, and return it to the Purchasing Office. This office is located in the County Services Plaza, 150 Main Street, Suite 105, Prince Frederick, Maryland 20678. Please contact (410) 535-1600 x288. The Vendors Application is available on-line in pdf format.