Illinois *
 

County

Multiplier

Phone Number

Additional Information

(Searchable Databases in bold.)

Adams County

3

217-277-2135

Adams County Assessor

Champaign County

3

217-384-3760

 Champaign County Assessor

Clark County

3

217-826-5815

Clark County Assessor

Clinton County

3

618-594-2464 Ext. 640

Clinton County Assessor

Coles County

3

217-348-0508 or 258-0508

Coles County Assessor

Cook County **

 

312-443-7550

Cook County Assessor

Cook County Recorder of Deeds

Cook 

(Apartments, 6+ units)

3.3

 "

 

 

Cook (Residential)

6.25

 "

 

Cook (Commercial)

2.6

 "

 

Cook (Industrial)

2.8

 "

 

Cook (Not for Profit) 

3.03

 "

 

Cook 

(Redevelopment Areas)

6.25

"

 

 

Cook 

(Unimproved Vacant Land)

4.54

 "

 

 

DeKalb County

3

815-895-7120

DeKalb County Assessor

DuPage County

3

630-682-7000 or 7024

List of Township Assessors (some townships searchable)

 

Addison (Township)

3

630-530-8161

 Addison Township Assessor 

Clarendon Hills (city)

3

708-968-2100

  

Naperville (Township)

3

630-355-2444

Naperville Township Assessor

Effingham

3

217-342-6711

Effingham County Assessor

Ford

3

 

Ford County (lists township assessors)

Franklin

3

618-438-4331

 

Fulton

3

309-547-3041

Fulton County

Grundy

3

815-941-3269

Grundy County

Hamilton

3

618-643-3971

100 S. Jackson St, 3rd Fl, McLeansboro, IL

Hamilton County Assessor

Henry

3

309-937-3578

Henry County

Iroquois

3

815-432-6978

Iroquois County Assessor (links to township assessors too)

Jackson

3

618-687-7220

Jackson County Assessor

Jefferson

3

618-244-8016

100 S 10th St #2

Mt Vernon, IL

Jo Daviess County

3

815-777-1016

Jo Daviess Asssessment Supervisor, 330 N. Bench St.,Galena IL 61036

Kane County

3

630-208-3818

 Kane County Assessor  (links to townships)

Kane County Property Search

Geneva 

3

630-232-3600

  

Aurora (Township)

-

630-896-7792

 

Kankakee

3

815-937-2945

Kankakee County

Kendall County

 

 

Kendall County (list of township assessors)

Kendall County

Oswego (township)

 

630-554-3214

Oswego Township

Lake County

3

847-377-2050

 Lake County Assessor 

Antioch (Towship)

3

 847-360-6378

 Antioch Township Assessor 

Ela (Township)

3

847-438-8370

Ela Township Assessor

Freemont (Township)

 3

847- 223-2846

Freemont Township Assessor

Libertyville

3

847-362-5900

 

LaSalle

3

815-434-8233

LaSalle Supervisor of Assessments

Lee

3

815-288-4483

  

Livingston

3

815-844-7214

Livingston County Assessor

Logan

3

217-732-9635

  

Macon County

3

217-424-1364 

  

Madison

3

618-692-6270

Madison County GIS

Marshall

3

 

Marshall County (subscription)

Mason

3

309-543-4775

Mason County Assessor

McHenry County

3

815-334-4290 

McHenry County Assessor

Algonquin (Township)

3

847-639-2700

 

McHenry  (Township)

3

815-385-0175

McHenry Assessor 

McLean County

 3

309-888-5180

McLean Supervisor of Assesments 

Bloomington

 3

309-828-6016

City of Bloomington

Monroe

3

618-939-8681

100 S. Main St #229

Waterloo, IL

Montgomery

3

217-532-9595

 

Morgan

3

217-243-8557

  

Ogle

3

815-732-1150

Ogle County Assessor (links to township assessors)

Peoria

3

309-672-6910

Peoria County

Peoria GIS

Perry

3

618-357-2209

 

Pope

3

618-683-6231

Pope County

Randolph

3

618-826-5000

  

Rock Island County

3

309-558-3660

 Rock Island Assessor

Moline

3

309-764-3559

Moline Township

St. Clair County

3

618-277-6600

St. Clair Assessor

Sangamon County

3

217-753-6805

Sangamon Assessor 

Scott County

3

217-742-5751

 

Stephenson

3

 

Stephenson Assessor

Tazewell

3

309-477-2275

Tazewell Assessor

Vermillion

3

217-431-2634 or 2638

Vermillion Assessor

Whiteside

3

815-772-5196

Whiteside Assessor

Will County

3

815-726-5446 or 815-740-4648

 Will County Assessor

DuPage (township)

3

630-759-1315

DuPage Township Assessor

Frankfort (township)

3

815-464-3180

Frankfort Township Assessor 

Lockport

 3

708-301-8166

  

Winnebageo County

 3

 815-987-3024

Winnebago County

Loves Park 

3

815-987-3024

 

* Statewide the multiplier is 3.

** The actual sale price of homes in Cook County may be two or three times the estimated fair market value. Also, if obtaining records by phone you must ask for the index number. The number to call for the index number is 312-603-6253.  The Chicago Tribune also maintains a searchable database of metro Chicago real estate transactions that allows you to find the closing price of area homes sold since 1993 at Chicago Tribune Homes.

Other information about Illinois tax assessors and detailed county information can be found at the  Illinois Chief County Assessment Officers Home Page.
 

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Last Updated on 12/28/2007
Updates to c-pulawski@comcast.net