Marion County, IllinoisProperty records & tax offices
A direct property, payment, or map portal is not listed yet. Use the office contact below to find the right local service.
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.
- Assessment appeal
- Within 30 days after publication of changed assessments for the applicable assessment district; exact 2026 date must be confirmed locally.
Exemptions & appeals
View exemption application (opens in a new tab)Senior relief
Marion County administers senior homestead and senior assessment-freeze programs through the Supervisor of Assessments; current forms and deadlines are available from the office.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.
More exemption & appeal guidance →