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Search by Property
Index Number
From the
"Assessment Search" page you may conduct a search by
entering your 14 digit Property Index Number (PIN)
in the corresponding boxes in the "Search by
Property Index Number" function. Your PIN can be
found on your "Notice of Proposed Assessed
Valuation," or on your tax bill. The first 2 digits
should be entered into the first box, the second 2
in the second box, 3 digits in each of the third and
fourth boxes, and the remaining 4 digits in the last
box. Once you have entered your PIN, click once on
the "Search by PIN" button. This will bring up a
page with your desired PIN, corresponding address,
class code, neighborhood code, assessed value, and
city. Simply click once on the highlighted PIN for
more information on your desired property.
Search by Address
If you wish to
obtain information on a specific residential
property but you do not know the PIN, simply enter
the address in the "Search by Address" function. It
should be noted that due to the transitory nature of
addresses, our address file might contain errors or
omissions. If you experience difficulties, please
call the Cook County Assessor’s Office Taxpayer
Information Department at 312-443-7550. When
entering the street name of your desired property,
to aid in your search, please do not enter the
street suffix, such as St., Dr., Ave., etc. You will
then need to enter the city name in the box on the
third line of the section. Please note that you
do not need to select a class to conduct a search.
Once the required
fields of information are entered, click once on the
"Search by Address" button to submit your search.
This will bring up a page with your desired PIN,
corresponding address, city, neighborhood, class
code, township, age, description of class code,
assessed value, and a description of the property’s
characteristics. To compare your property’s assessed
value to other similar properties on your block or
in your neighborhood, you may enter a range of
addresses on the search page. For example, you may
enter 400 – 500 N Main in Chicago. This may be
useful if you are considering an appeal based on
lack of uniformity.
Search Help:
If you are having difficulty finding a property or
wish to expand your search, try entering less
information. For instance, in the "Search by
Address" function leave the direction box blank, or
only enter the first few letters of the street or
city. In the "Search by PIN" function, if you enter
only the first seven numbers of your PIN (i.e. if
your index number is 01-01-123-456-0000, and you
only insert 01-01-123) this will expand your search
to include all the properties that share those seven
digits in ascending PIN order. This will widen the
parameters for the database and improve the
possibility that a record is found.
Search by
Neighborhood
To search by
neighborhood, simply use the drop-down box under the
"Search by Neighborhood" section to select your
township. If you do not know what township you are
in, please check your "Notice of Proposed Assessed
Valuation" or your tax bill. Once you have selected
your township, click once on the "Search by
Neighborhood" button. This will bring you to a page
with a drop-down box with a list of neighborhood
codes. If you do not know your neighborhood code,
simply check your "Notice of Proposed Assessed
Valuation" or click on the highlighted "Show Me
Borders" for a listing of each neighborhood code and
it’s street boundaries.
Once you have
selected your neighborhood code click once on the
"Search by Neighborhood" button and you will see
multiple pages of properties. If you wish to refine
your search for similar properties click on the
"Choose Class" drop-down box and select a specific
class of property. This function is useful when
comparing assessed value, although it is still
important to look at each individual property’s
characteristics. Properties in the same class with
like characteristics are considered "comparables"
and can be used in a residential appeal. |
