title
PROPOSED CONTRACT
Department(s): Cook County Assessor’s Office, Cook County Board of Review, and Cook County Department of Revenue
Vendor: CoStar Realty Information, Inc., Arlington, Virginia
Request: Authorization for the Chief Procurement Officer to enter into and execute
Good(s) or Service(s): Real Estate Information Database Subscription
Contract Value: $2,050,355.52
Contract period: 3/1/2026 - 2/28/2028 with two (2) one-year renewal options
Contract Utilization: The Contract-Specific goal set on this contract is Zero.
Potential Fiscal Year Budget Impact:
Cook County Assessor’s Office ($1,095,886.56 )
FY2026 $347,624.64; FY2027 $365,005.80; FY2028 $383,256.12
Cook County Board of Review ($890,701.20 )
FY2026 $282,538.08; FY2027 $296,664.96; FY2028 $311,498.16
Cook County Department of Revenue ($63,767.76 )
FY2026 $20,227.68; FY2027 $21,239.04; FY2028 $22,301.04
Accounts:
Cook County Assessor’s Office
11000.1040.10155.520830.00000.00000
Cook County Board of Review
11000.1050.10155.520830.00000.00000
Cook County Department of Revenue
11000.1007.35085.540135.00000.00000
Contract Number(s): 2501-11043
Summary: The Cook County Assessor’s Office, Cook County Board of Review, and Cook County Department of Revenue requests authorization for the Chief Procurement Officer to enter into and execute a contract with CoStar Realty Information, Inc., for Real Estate Information Database Subscriptions.
This contract will satisfy each department’s need to access CoStar’s Real Estate Subscription which includes detailed information on Residential and Industrial/Commercial properties including sales, transactions, property lease and historical information, property characteristics, analytics, tenant tracking and listing of properties currently “for sale”.
CoStar is the only company that takes a census level approach to gathering information on commercial real estate. CoStar is the only provider of information on over 5,200,000 million commercial properties tracked nationwide. The information they provide is researched and verified by the industry’s largest research organization to ensure that customers have access to information that cannot be retrieved anywhere else.
This is a Sole Source Procurement pursuant to Section 34-139 of the Cook County Procurement Code.
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