All McHenry County government offices will be closed on Monday, February 17th, in observance of President's Day.

Purchasing Dept. - Adam M. Letendre, Director
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This is the official site for all RFP, RFQ & Bid information. No other sources are authorized by the County of McHenry. McHenry County will not be held responsible for any information obtained from other sources.


Always refer to the RFP, RFQ or Bid instructions prior to submitting a bid or proposal.

All submittals must be in a sealed envelope, clearly marked with the appropriate RFP, RFQ or Bid number, along with the company name on the outside of the envelope. 

Deliver to the Purchasing Department:
Mailing Address:

Purchasing Department, Room 200
2200 N Seminary Avenue
Woodstock IL 60098
Deliver In Person To:
Purchasing Department, Room #200
667 Ware Road
Woodstock IL 60098


Division of Transportation Bids posted through IDOT, may be viewed at the Division of Transportation page.

Mission Statement

The mission of the McHenry County Purchasing Department is to responsibly procure all supplies, equipment and services, including construction, in accordance with the McHenry County Purchasing Ordinance, amended August 1, 2019. The Purchasing Department manages and disposes of surplus supplies and equipment, as well as provides professional, positive and helpful customer service.

Department Functions

All purchases are made in accordance with the McHenry County Purchasing Ordinance amended August 1, 2019. Purchases of less than $30,000 are made in accordance with established procedures in the Ordinance. Purchases in excess of $30,000 are publicly advertised and subject to formal bidding procedures.

The Director of Purchasing also oversees the McHenry County Mail Center.

Auction of Surplus Items

The County of McHenry posts surplus items & vehicles available for auction on This site also has surplus items from other Government entities available for bidding.

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