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The Boone County Courthouse and offices will be CLOSED Monday, May 29, 2023 in observance of Memorial Day. Normal hours will resume Tuesday, May 30, 2023.

2023 Assessment Appeal Information

Assessment information for Boone County Property Owners


Information about property valuation increases                                                                                                

Board of Review Rules and Procedures


Boone Sales

Madrid Sales

Ogden Sales

Rural Combined Sales

Rural Residential Sales

Rural Subdivision Sales

Commercial Sales

R3+ Sales


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Mission Statement

The mission of Boone County is to be accountable to its citizens in providing innovative and high-quality government services in an economical, fair, professional, and courteous manner to enhance and protect the health, welfare, and safety of those who live and work in Boone County.