Montgomery 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
- For the 2026 payable-2027 assessment cycle, assessment complaints are due within 30 days after publication; no exact publication date was stated.
Exemptions & appeals
View exemption application (opens in a new tab)Senior relief
Montgomery County identifies senior homestead and senior assessment-freeze programs; current 2026 eligibility and filing instructions must be confirmed with the Supervisor of Assessments.
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 →