DeKalb County, IllinoisProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
Find the right property record
Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.
Tax bills & filing dates
These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.
Specific dates are not recorded for this jurisdiction. Ask the collector about payment dates and the assessor about appeal dates.
Exemptions & appeals
View exemption application (opens in a new tab)Senior relief
DeKalb County administers Illinois senior homestead, senior assessment-freeze, and senior real-estate-tax-deferral programs; exact 2026 eligibility and application deadlines must be confirmed with the Chief County Assessment Office or Treasurer.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.