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1 Justin Higginbottom, State Provisions for Property Reassessment 1 (2010)

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FACT

April 29, 2010
No. 223

State Provisions for Property Reassessment
By Justin Higginbottom
Property taxes represent the lion's share of local government tax revenue, with local governments
raising nearly $400 billion per year from this source to fund services. Property taxes are a type of
ad valorem tax, calculated as a percentage of the assessed value of the taxed property. Generally
an assessment of the property is made by determining how much similar property can be sold for
on the market at that time, with some states discounting the market value by a certain percentage.
But property values-such as home prices-are not static. Over time the market value of property
will change, and not in a uniform pattern. That is, even in the same county, some property will
appreciate rapidly while values elsewhere may stagnate or even drop. These variations in market
value necessitate regular reassessment of the property in order to levy an equitable property tax.
Usually assessors hired by local governments do the work.
Infrequent reassessments can result in significant over- or underpayment of property taxes. If
one's property has decreased dramatically in value-which has been the case for many American
homeowners since 2006-a property tax using the old higher value for the property would not be
correct. Of course, governments have the choice to increase property tax rates as values decrease
in order to maintain or increase revenue. Conversely, in good times, many governments keep
property tax rates constant or cut tax rates as property values rise.
The combination of infrequent reassessment with rate increases shifts the property tax burden
away from those whose property has been appreciating onto those whose property values have
been declining.
States have different requirements for how frequently reassessments are conducted. Nine states do
not have state provisions for when reassessments take place. Most states follow an annual to five-
year schedule. A few states do not require reassessments for up to 10 years.
Following is a summary of state statutes, where they exist, of property reassessment schedules:

Justin Higginbottom is a state policy analyst at the Tax Foundation.

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