Supported counties
Property tax appeal help built county by county
Every live county uses the same HomeTaxChallenge lookup, comparison, and savings-estimate core with local public-data adapters, filing rules, forms, deadlines, and copy.
We only call a county supported when the full workflow is ready; Tier 1 counties are marked and offer parcel lookup and filing guidance only. A county name on this page links to its dedicated calculator and local information pages — homeowners are not sent through a generic calculator.
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Kane County, Illinois
Any city, village, or township parcel in Kane County.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 30 community pages
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Winnebago County, Illinois
Any city, village, or township parcel in Winnebago County.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 13 community pages
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Will County, Illinois
Any residential parcel in Will County available through the county's public property records.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 20 community pages
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DuPage County, Illinois
Any residential parcel in DuPage County available through the county's public parcel and assessment GIS records.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 32 community pages
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Lake County, Illinois
Any residential parcel in Lake County available through the county's public parcel GIS and CCAO assessment records.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 19 community pages
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Kendall County, Illinois
Any residential parcel in Kendall County available through the county's public parcel GIS and assessment records.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 15 community pages
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DeKalb County, Illinois
Any residential parcel in DeKalb County available through the county's wEDGE property inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 14 community pages
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Grundy County, Illinois
Any residential parcel in Grundy County available through the county's wEDGE assessment inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 13 community pages
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McLean County, Illinois
Any residential parcel in McLean County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 23 community pages
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Kankakee County, Illinois
Any residential parcel in Kankakee County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 19 community pages
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Rock Island County, Illinois
Any residential parcel in Rock Island County available through the county's wEDGE property inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 18 community pages
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Logan County, Illinois
Any residential parcel in Logan County available through the county's wEDGE property inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 12 community pages
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Sangamon County, Illinois
Any residential parcel in Sangamon County available through the county's public property-tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 14 community pages
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McHenry County, Illinois
Any residential parcel in McHenry County available through the county's public property inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 19 community pages
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St. Clair County, Illinois
Any residential parcel in St. Clair County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 26 community pages
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Boone County, Illinois
Any residential parcel in Boone County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 6 community pages
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LaSalle County, Illinois
Any residential parcel in LaSalle County available through the county's free Online Property Search.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 21 community pages
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Macon County, Illinois
Any residential parcel in Macon County available through the county's free Property Tax Parcel Search.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 12 community pages
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Vermilion County, Illinois
Any residential parcel in Vermilion County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 16 community pages
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Whiteside County, Illinois
Any residential parcel in Whiteside County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 11 community pages
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Ogle County, Illinois
Any residential parcel in Ogle County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 11 community pages
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Knox County, Illinois
Any residential parcel in Knox County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide and 15 community pages
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Madison County, Illinois
Any residential parcel in Madison County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide
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Champaign County, Illinois
Any residential parcel in Champaign County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide
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Peoria County, Illinois
Any residential parcel in Peoria County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide
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Tazewell County, Illinois
Any residential parcel in Tazewell County available through the county's wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate
- Local filing deadline tracker
- County appeal guide
Tier 1 · lookup
Williamson County, Illinois
Parcel and address lookup for Williamson County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Adams County, Illinois
Parcel and address lookup for Adams County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Jackson County, Illinois
Parcel and address lookup for Jackson County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Henry County, Illinois
Parcel and address lookup for Henry County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Coles County, Illinois
Parcel and address lookup for Coles County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Macoupin County, Illinois
Parcel and address lookup for Macoupin County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Stephenson County, Illinois
Parcel and address lookup for Stephenson County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Woodford County, Illinois
Parcel and address lookup for Woodford County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Franklin County, Illinois
Parcel and address lookup for Franklin County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Marion County, Illinois
Parcel and address lookup for Marion County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Jefferson County, Illinois
Parcel and address lookup for Jefferson County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Livingston County, Illinois
Parcel and address lookup for Livingston County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Effingham County, Illinois
Parcel and address lookup for Effingham County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Lee County, Illinois
Parcel and address lookup for Lee County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Fulton County, Illinois
Parcel and address lookup for Fulton County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Morgan County, Illinois
Parcel and address lookup for Morgan County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Randolph County, Illinois
Parcel and address lookup for Randolph County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Montgomery County, Illinois
Parcel and address lookup for Montgomery County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
McDonough County, Illinois
Parcel and address lookup for McDonough County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Iroquois County, Illinois
Parcel and address lookup for Iroquois County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Saline County, Illinois
Parcel and address lookup for Saline County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Jo Daviess County, Illinois
Parcel and address lookup for Jo Daviess County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Jersey County, Illinois
Parcel and address lookup for Jersey County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Perry County, Illinois
Parcel and address lookup for Perry County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Douglas County, Illinois
Parcel and address lookup for Douglas County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Crawford County, Illinois
Parcel and address lookup for Crawford County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Hancock County, Illinois
Parcel and address lookup for Hancock County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Piatt County, Illinois
Parcel and address lookup for Piatt County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Bond County, Illinois
Parcel and address lookup for Bond County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Warren County, Illinois
Parcel and address lookup for Warren County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Carroll County, Illinois
Parcel and address lookup for Carroll County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Mercer County, Illinois
Parcel and address lookup for Mercer County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Clark County, Illinois
Parcel and address lookup for Clark County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Pike County, Illinois
Parcel and address lookup for Pike County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Washington County, Illinois
Parcel and address lookup for Washington County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
White County, Illinois
Parcel and address lookup for White County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Ford County, Illinois
Parcel and address lookup for Ford County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Clay County, Illinois
Parcel and address lookup for Clay County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Mason County, Illinois
Parcel and address lookup for Mason County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Menard County, Illinois
Parcel and address lookup for Menard County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Cumberland County, Illinois
Parcel and address lookup for Cumberland County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Jasper County, Illinois
Parcel and address lookup for Jasper County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Schuyler County, Illinois
Parcel and address lookup for Schuyler County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Brown County, Illinois
Parcel and address lookup for Brown County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Henderson County, Illinois
Parcel and address lookup for Henderson County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Edwards County, Illinois
Parcel and address lookup for Edwards County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Putnam County, Illinois
Parcel and address lookup for Putnam County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Alexander County, Illinois
Parcel and address lookup for Alexander County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Calhoun County, Illinois
Parcel and address lookup for Calhoun County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Tier 1 · lookup
Pope County, Illinois
Parcel and address lookup for Pope County through the county's public DEVNET wEDGE property tax inquiry.
- Address and parcel lookup using county public records
- Comparable-property screening and savings estimate: not available yet
- Local filing deadline information
- County appeal guide
Don't see your county?
Use the county finder on the HomeTaxChallenge homepage to join the notification list. Requests help prioritize the next full-parity county build.