Forms and Documents
Homestead Exemption Application
Board of Review Assessment Appeal Forms
Please see Board of
Review Rules for additional filing requirements.
Non-Homestead Exemption Application Forms
- PTAX-300 is used to apply for all non-homestead
exemption except for properties used for religious purposes or those owned by
the State of Illinois or the Federal Government.
- PTAX-300-FS is used to apply for a non-homestead
exemption under 35 ILCS 200/15-50 or 15-55 (federal or state agency).
- PTAX-300-H is used to apply for a non-homestead exemption
under 35 ILCS 200/15-86 (hospitals).
- PTAX-300-R is used to apply for a non-homestead
exemption under 35 ILCS 200/15-40 (religious).
Preferential Assessment Application Forms
- PTAX-334 Application for Open Space Property
- PTAX-337-R Combined Application for Conservation
Right Public Benefit Certification and for Reduced Assessed Valuation of
Property (File with the Illinois Department of Natural Resources)
- PTAX-762 Application
for Model Home Assessment
Notice of Status Change to County by Owner of Model Home
- PTAX-763 Application for
Veterans Organization Assessment Freeze
- PTAX-764 Application for assessment freeze for
certain fraternal organizations. Typically, Masonic Lodges will qualify in this
- PTAX-765 Application for assessment freeze for
certain fraternal organizations. Typically, Elks and Moose Lodges will qualify
in this category.
Application for assessment freeze for certain fraternal organizations.
Typically, Knights of Columbus Lodges will qualify in this category.
- Farmland Preferential Assessment: The Township Assessor annually determines the eligibility of
individual properties for farmland assessments. Please contact them for more
information regarding their application process.
- Conservation Stewardship Preferential Assessment: Certain
property that is subject to a land management plan that has been approved by
the Illinois Department of Natural Resources may receive a preferential
assessment. Application forms and other information are available directly
from the IL-DNR's website.
Opportunity Area Tax Abatement: This program may provide a reduced
assessed valuation for certain property leased to a Housing Choice Voucher
Holder. Information and application forms for this program are available from
the DuPage County Housing Authority.
- Historic Residence Assessment Freeze Law: This program
provides tax incentives to owner-occupants of certified historic residences who
rehabilitate their homes. Application forms and other information are
available directly from the Illinois
Historic Preservation Agency's website.
A basic explanation
of these programs is available on our Preferential
Assessment Abstract Reports
Counties are required to file
a PTAX-260-A Form with the Illinois Department of Revenue on an annual basis.
This report list locally assessed parcel counts and total locally assessed
value totals by property class for individual townships and for the entire
county. This report does not include property assessed by the State. The
totals do not include the loss of taxable assessed value resulting from the
granting of the General Homestead (excluding life care facilities and mixed
use properties), Senior Citizens Homestead (excluding life care facilities and
mixed use properties), and the Senior Citizens Assessment Freeze Homestead
Exemptions. Column number 7 however does reflect the taxable value of dual
valuation properties including Open Space and Conservation Easement
preferential assessments along with value loss due to the granting of
Homestead Improvement, Veterans/Fraternal Organizational Assessment Freeze,
and Disabled Veterans Exemptions and the taxable value of certain preferential
assessment types such as Historic Residence Assessment Freeze, Demonstration
Homes and Subdivides Property Assessments.
Tax Year: 1999 | 2000
| 2001 | 2002 | 2003
| 2004 | 2005 | 2006
| 2007 | 2008 | 2009
| 2010 | 2011 | 2012 | 2013 |
Sale to Assessment Ratio Reports
assessment ratio studies are compiled by the Illinois Department of Revenue.
These reports include statistical measurements of assessment accuracy and
IL-DOR Summary Reports:1999 | 2000
| 2001 | 2002 | 2003 | 2004 | 2005
| 2006 | 2007 | 2008 | 2009
Report) | 2012
(Full Report) | 2013 (Full Report)
Detail Sales Listing (Individual Sales Used in Sales Ratio Reports): 2005 | 2006 | 2007
| 2008 | 2009 | 2010