The Illinois State Revenue Department has release its comparison of 2016 assessments to 2017 property sales prices. These are called “sales ratio” studies and have being going on since at least the 1930’s. Here are the results: The Revenue calls … Continue reading
Category Archives: Coefficient of Dispersion
Nunda Township assessments three-year median average for 2017 is 31.8%. Because that is lower than the 33.3% that state law mandates, McHenry County will increase each parcel’s assessment with what is commonly called a “township multiplier.” The level of uniformity … Continue reading
As with all others in McHenry County the Richmond Township Assessor turned in assessments that will have to be raised by County government to the state-mandated percentage of fair market value. The mandate is that property be assessed at 33.3% … Continue reading
McHenry Township Assessor has turned in her fourth year of real estate assessments and they show a margin of error of 19.21%. The margin of error, called the “Coefficient of Dispersion” by the Illinois Department of Revenue, measures how uniform … Continue reading
Marengo Township has a three-year median average assessment of 31.14%. That means that property owners will receive an increase via what is commonly called a “township multiplier.” Actually, the increase is imposed by County government. It is uniformly applied to … Continue reading
Moving through McHenry County township assessment alphabetically brings us to Greenwood Township. Northern Woodstock, western Wonder Lake and points between, including the Courthouse, lie in Greenwood Township. Assessments made in 2017 for which property tax bills will come this spring … Continue reading
Grafton Township Assessor Al Zielinski, who angered the Township Board enough that they cut the office’s salary to $30,000 a year for the current term, came in with the second lowest margin of error in McHenry County for the taxes … Continue reading
Dorr Township assessments are, on a three-year average–30.86%. Since state law mandates assessments be at 33.3% of a three-year average, local residents can expect their assessments to be increase by County government by approximately 8%. The margin of error, called … Continue reading
Burton Township assessments are a bit lower than the 33.3% three-year average mandated by the state law I apologize for helping craft. (I wanted to make it a one-year average so people could understand the process better, but the Illinois … Continue reading
Because the average median assessment over a three-year period is 31.36% of fair market value, those living in that township (the Harvard area) can expect their assessment to be increase to the state-mandated level of 33.3%. The measure of uniformity … Continue reading
In calculating the median average assessment and margins of error, the rules say one must have at least 25 “arms length” sales. There are six townships not meeting that level of real estate sales activity. When combined, the smaller townships’ … Continue reading
This is a press release from Grafton Township Assessor Al Zieliniski: Four more years of accurate and fair assessments for Grafton Township HUNTLEY, IL – Grafton Township property owners can look forward to four more years of accurate and fair … Continue reading
Reader Susan Handelsman found this explanation on Nunda Township web site. Assessor Mark Dzemske informs me it was written in 2001 by former Supervisor John Heisler. This is good explanation from Nunda Township Assessment website: Coefficient of Dispersion . . … Continue reading
Every so often, it seems useful to share measurements of assessment quality among McHenry County Townships. These are basically measures of the work of township assessors, although the quality of their work can be increased or decreased by changes made … Continue reading
Assessors use something called a “Coefficient of Dispersion” to measure the quality of assessments. It’s something like the margin of error used in political polls. The McHenry County Supervisor of Assessments has provided the following data from 2015. This is … Continue reading
Back in the 1970’s, Algonquin Township Assessor Forrest Hare computerized his office, probably the first to do so in the State of Illinois. He also took an interest in how assessment could be made more accurate. Hare looked at measures … Continue reading