DeKalb County Property Assessor (Illinois)

Search for DeKalb County, IL property assessment information. Property Assessments include property tax assessments, property valuations, property tax liens, defaults on property taxes, and property assessment appeals.


DeKalb County Assessors determine the value of properties and parcels so that the jurisdiction can levy Illinois property taxes. The Assessor's Office maintains current data on every parcel in the district, including records on DeKalb County property tax assessments, maps of property lines, and inventories of parcels and structures, as well as the value of all the property in the jurisdiction. DeKalb County Tax Assessors may also keep records on reassessments for construction or improvements and other on-site inspections. DeKalb County Assessment Offices provide online access to their property assessment records.

Burlington Township Assessor Sycamore IL 434 South Main Street 60178 847-683-2555

Cortland Township Assessor Cortland IL 14 South Prairie Street 60112 815-756-6423

Dekalb County Assessor's Office Sycamore IL 110 East Sycamore Street 60178 815-895-7120

Sandwich Township Assessor Sandwich IL 201 West Center Street 60548 815-786-2828

Sycamore Township Assessor Sycamore IL 545 Brickville Road 60178 815-899-5313


DeKalb County Clerks file documents and preserve a range of municipal records in order to maintain an archive for their Illinois municipality. These DeKalb County tax assessment records are open to the public. The Clerk's Office has a number of records on property assessments, including real estate excise taxes, tax liens on properties, and the DeKalb County property tax assessment formulas. They also keep records on property transactions, deeds, and titles. DeKalb County Clerks provide online access to their public property tax records, including documents related to property assessments.

Cortland Town Clerk Cortland IL 59 South Somonauk Road 60112 815-756-9041

Dekalb County Clerk Sycamore IL 110 East Sycamore Street 60178 815-895-7146

Kirkland City Clerk Kirkland IL 511 Main Street 60146 815-522-6179

Sandwich City Clerk Sandwich IL 144 East Railroad Street 60548 815-786-9321


DeKalb County Recorders of Deeds collect public records, primarily documents related to property, and make them available to the Illinois public. The Office of the Recorder of Deeds maintains records on DeKalb County property tax assessments, including property and parcel surveys, property tax liens, and property valuations. They also record land transactions within the jurisdiction, including deeds, mortgages, and easements. The DeKalb County Recorder provides online databases for public records access of property assessments.

Dekalb County Recorder of Deeds Sycamore IL 110 East Sycamore Street 60178 815-895-7149


DeKalb County Town Halls and City Halls are the chief administrative office that runs a town or city in Illinois. The Town or City Hall maintains records related to the locality, including property assessment records. These DeKalb County public assessment records include property value assessments, records of paid and unpaid property taxes, and property tax liens. Town and City Halls also maintain records on land transactions, property sales and transfers, and municipal and zoning boundaries. Property assessment records are available as public records, and many Town and City Halls provide online access to these files.

Cortland Town Hall Cortland IL 59 South Somonauk Road 60112 815-756-3030

Genoa City Hall Genoa IL 333 East 1st Street 60135 815-784-2327

Sandwich City Hall Sandwich IL 144 East Railroad Street 60548 815-786-8802

Waterman City Hall Waterman IL 215 West Adams Street 60556 815-264-3652


DeKalb County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in Illinois. The Office of the Treasurer and Tax Collector maintains current data on every DeKalb County parcel , as well as a number of other property tax assessment records. These records include property assessments, defaults on property taxes, lists of sold parcels, and property valuations. The Treasurer and Tax Collector may also maintain information on DeKalb County property auctions and a property's prior liens or foreclosures. DeKalb County Treasurers and Tax Collectors provide online databases to access property assessment records.

Administration Building - Sycamore Campus Sycamore IL 110 East Sycamore Street 60178 815-895-7112