Median estimated market value for properties in this county.
AssessorSearch county dataGrundy County, IL
Grundy County, IL assessor property search and records
Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for Grundy County, Illinois. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Grundy County address or APN
Official sources
Grundy County assessor, recorder, tax, and parcel map sources
Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.
| Record type | Official source | Notes |
|---|---|---|
| Assessed values | Grundy County Supervisor of Assessmentswww.grundycountyil.gov/services/assessor/index.php |
|
| Property search | Grundy County Property Tax Inquirygrundyil.devnetwedge.com |
|
| Deeds and recorded documents | Grundy County Recorder Document Searchwww.grundycountyil.gov/services/recorder/document_copies_search.php |
|
| Property taxes | Grundy County Property Tax Inquirygrundyil.devnetwedge.com |
|
| GIS and parcel maps | Grundy County Property Viewermaps.grundyco.org/webappbuilder/propertyviewer/ |
|
| Permits and building records | Grundy County Building Officewww.grundycountyil.gov/services/land_use/building_office.php |
|
| Zoning and land use | Grundy County Planning and Zoning Officewww.grundycountyil.gov/services/land_use/planning_and_zoning_office.php |
|
County data
Grundy County tax rates and property values
County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.
Median assessed value from county assessment records when available.
AssessorSearch county dataMedian annual property tax amount from indexed tax records when available.
AssessorSearch county dataMedian effective property tax rate calculated from annual tax and value fields.
AssessorSearch county dataCity property data
Top city rollups for estimated value, assessed value, property tax rate, and tax amount.
| City | Median estimated value | Median assessed value | Median effective property tax rate | Median tax amount |
|---|---|---|---|---|
| Morris | $310,377 | $83,566 | 1.98% | $6,138 |
| Minooka | $347,948 | $94,316 | 2.20% | $7,602 |
| Coal City | $293,957 | $79,258 | 1.81% | $5,504 |
| Channahon | $408,658 | $121,517 | 2.47% | $10,119 |
| Gardner | $224,712 | $60,429 | 2.17% | $4,878 |
| Mazon | $250,376 | $68,462 | 2.27% | $5,728 |
| Braceville | $222,087 | $58,950 | 2.13% | $4,768 |
| Diamond | $287,972 | $76,252 | 1.51% | $4,391 |
| South Wilmington | $205,872 | $50,485 | 2.20% | $4,329 |
| Verona | $275,659 | $72,053 | 2.05% | $5,560 |
FAQ
Grundy County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Grundy County property records by address?
Use the official Grundy County Property Tax Inquiry to search Grundy County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Grundy County by address or APN.
How do I find the owners of Grundy County properties?
Use the official Grundy County Property Tax Inquiry for county ownership and parcel records when owner names are available online. Use AssessorSearch property search as a free, easy-to-use option to look up Grundy County properties by address or APN.
Where can I verify assessed value in Grundy County?
Use the official Grundy County Supervisor of Assessments for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Grundy County property tax bills or payments?
Use the official Grundy County Property Tax Inquiry for property tax bills, payment history, due dates, or tax collector records.
Where can I find deeds or recorded documents in Grundy County?
Use the official Grundy County Recorder Document Search for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.
Where can I view parcel maps or GIS data in Grundy County?
Use the official Grundy County Property Viewer for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.
Where can I search permits or zoning in Grundy County?
Use Grundy County Building Office for permits and Grundy County Planning and Zoning Office for zoning or land-use records. City properties may require city-specific permit or planning portals.
Can I build a list of Grundy County property owners?
Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.
Related counties
More Illinois property records
Use related county pages when researching nearby property records or comparing official source patterns.