Logan 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.
- Tax bill mailing
- May 8, 2026
- Payment deadline
- June 15, 2026 first installment; September 1, 2026 second installment; 1.5% monthly penalty after the due date.
Exemptions & appeals
View exemption application (opens in a new tab)Senior relief
Logan County's assessment page links current 2026 Low Income Senior Freeze information and administers exemptions; the reviewed page did not expose a separate filing date.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.