Tax Cycle The Illinois Real Estate Property Tax System follows a
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repeating tax cycle. This tax cycle is a set of processes or

phases. The steps below is an approximate chronological

list of phases that take place over approximately two

years. You will note the term current assessment year and

next calendar year to distinguish the time difference when

the same months are mentioned. These phases of the tax

cycle only highlight the particular process of the tax cycle

given priority during the tax cycle. The reappraisal or

reassessment process is always on going. Data is

continually being documented regarding sales, new

construction, new improvements to existing property,

property divisions or consolidations, etc.



1. Prior to beginning of each new year usually in

December of the year just ending the Supervisor of

Assessment for the county holds a meeting with all

township assessors. At this meeting information

regarding any new laws that effect the assessment

process is explained. Also any tentative assessment

multipliers dictated by the Illinois Department of

Revenue's Sales Ratio Study are given to each respective

township. Read topic "Why Property is Reassessed Each

Year" for a detailed explanation.



2. January to July is the township assessor's phase. New

property is documented and put on the assessment roll.

Reassessment due to the Sales Ratio Study and for

maintaining equity is completed.



3. July and August is the Supervisor of Assessment's

(S/A) phase. The supervisor of assessments reviews the

township assessor's work mainly that reassessment of

existing property meets amount indicated by the DOR's

Sale Ratio Study. If it does not a township multiplier is

applied at the county level against all properties in the

township to meet this number. Assessors can still submit

assessment revisions for new construction or factual

errors only during this period. The S/A sends out

reassessment notices and publishes assessments in

paper.



4. September to December is the Board of Review (BOR)

phase. Property owners have thirty days from the date

the assessments are published in the paper to file an

Assessment Appeal with the Board of Review. The Board

of Review documents the appeals, notifies the assessor,

and schedules hearing dates for appeals. The BOR

typically mails there appeal decisions in January of the

following year. Remember property tax bill is always

based on the prior years assessment. Assessor reviews

assessment appeals and prepares evidence on behalf of

the township for the hearing.



5. November to December is the Taxing Body's Levy
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phase. Each taxing body must submit there tax levy in the
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month of December to the County Clerk's Office. The
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