Purchasing Dept. - Adam M. Letendre, Director
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This is the official site for all Bid, RFP and RFQ 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 BID/RFP instructions prior to submitting a proposal.

All Bid/RFP submittals must be in a sealed envelope and delivered to the Purchasing Department.
Mailing Address:

Purchasing Department
2200 N Seminary Ave #200
Woodstock IL 60098
Deliver In Person To:
Purchasing Department
667 Ware Rd #200
Woodstock IL 60098

Bid/RFP number marked along with company name on outside of envelope.

Terms and Conditions

For Bids for our Division of Transportation Department that are posted through IDOT, please refer to the Division of Transportation page.

Mission Statement

The mission of the McHenry County Purchasing Department is the responsibility for the procurement of supplies, equipment, services and construction in accordance with the revised McHenry County Purchasing Ordinance dated August 1, 2014 and revised December 1, 2015, revised April 1, 2018 as well as the management and disposal of supplies and equipment, and providing accessible and responsive internal and external customer service.

Department Functions

All purchases are made in accordance with the revised McHenry County Purchasing Ordinance dated August 1, 2014, and revised December 1, 2015, revised April 1, 2018. 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 will be posting surplus items/vehicles up for auction on GovDeals.com. This site also has surplus items from other Government entities available to bid on.

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