A Macon County owner formally disputes a real-property assessment through a written appeal heard by the three-member Macon County Board of Review. The Supervisor of Assessments serves as clerk and provides the complaint materials. The county specifically says evidence should accompany the Board complaint. Its public pages did not provide a verified 2026 closing date as of July 16, so an owner must obtain the current date and form directly from the county and act within the publication-based window. FairPath offers a manual preparation path that can arrange official property facts, selected comparisons, condition records, and open questions. It does not file, set an opinion of value, represent a homeowner, or state that an automated Macon packet is available.
Assessment context: Macon's Supervisor of Assessments administers real-property records and may apply equalization factors along with the Board and Illinois Department of Revenue. Begin with the official parcel and verify ownership, assessment district, property class, land and improvement assessment, dimensions, living area, construction, age, basement, garage, additions, and condition. The Board reviews assessed value rather than tax rates or the total tax bill. Decatur's older urban housing, lake influences, industrial areas, small municipalities, and rural properties do not form one interchangeable comparison pool. Define whether the issue is fair cash value, unequal assessment, or an inaccurate property characteristic. If an equalization multiplier affected the number, preserve both the pre-factor assessment and the final figure so the arithmetic remains understandable.
Filing process: First obtain the property record and discuss any clear factual error with the local assessing office while the assessment books remain correctable. Then contact the Macon Supervisor of Assessments for the current Board complaint form, rules, publication date, and final filing date. Complete every required owner and parcel field, state the assessment requested, sign the form, and attach the evidence because the county expressly directs owners to supply evidence with the complaint. Submit through an authorized method and keep proof of receipt. If the Board schedules a hearing, follow its notice for attendance and any additional evidence rules. Illinois may allow a later appeal from the Board decision to the Property Tax Appeal Board, but that is a separate proceeding with a short deadline and is outside this county-page workflow.
Evidence to review: Organize Macon evidence around one or more clearly identified grounds. A market-value table should use recent arm's-length transactions and show parcel, date, price, neighborhood, style, size, age, lot, basement, garage, condition, and adjustments or differences. An assessment-equity table should use current official assessments of similar nearby parcels and should not substitute sale price for assessed value. For a condition or record issue, provide dated photographs, inspections, permits, repair scopes, contractor estimates, and a marked property record showing the disputed fact. Explain how each condition differs from selected comparisons; a list of repairs alone does not establish market impact. Include an evidence index and preserve source URLs and lookup dates so county facts can be reproduced at the hearing.
Current deadline guidance: 2026 deadline not yet posted; confirm the publication-based window with the Supervisor of Assessments. Macon County's public pages did not identify a fixed 2026 residential complaint closing date when reviewed July 16. Illinois formal complaints are filed with the county Board of Review during the local assessment-publication period. Owners must obtain the current Macon complaint form and deadline from the Supervisor of Assessments and should not infer a date from another county.
Macon directs owners to supply evidence with the Board complaint rather than assuming exhibits can be assembled after filing.
The Supervisor of Assessments is clerk to the three-member Board and is the practical source for the current complaint form and deadline.
Equalization factors may be applied by county or state officials, so owners should distinguish raw assessment changes from later multiplier effects.
Decatur-area urban housing, Lake Decatur influences, industrial locations, small towns, and rural parcels require different comparison logic.
Official filing authority: Macon County Board of Review. https://maconcounty.illinois.gov/departments/supervisor-of-assessments/
Source: Macon County Government, Supervisor of Assessments and Complaint Guidance, https://maconcounty.illinois.gov/departments/supervisor-of-assessments/. Reviewed 2026-07-16.
Source: Macon County Government, Macon County Board of Review, https://maconcounty.illinois.gov/departments/county-board/macon-county-board-appointments/board-of-review/. Reviewed 2026-07-16.
Source: Illinois Department of Revenue, Assessment Appeals - Property Tax, https://tax.illinois.gov/localgovernments/property/appeals.html. Reviewed 2026-07-16.
Source: Illinois Department of Revenue, Illinois Property Tax System, https://tax.illinois.gov/content/dam/soi/en/web/tax/research/publications/documents/localgovernment/ptax-1004.pdf. Reviewed 2026-07-16.