Median estimated market value for properties in this county.
AssessorSearch county dataJefferson County, IL
Jefferson 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 Jefferson County, Illinois. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Jefferson County address or APN
Official sources
Jefferson 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 | Jefferson County Assessor Departmentjeffersoncounty.illinois.gov/services/assessor/index.php |
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| Property search | Jefferson County Property Tax Inquiryjeffersonil.devnetwedge.com |
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| Deeds and recorded documents | Jefferson County Clerk & Recordersearch.jeffersondeeds.com |
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| Property taxes | Jefferson County Treasurer/Collectorjeffersoncounty.illinois.gov/services/treasurercollector/index.php |
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| GIS and parcel maps | Jefferson County GIS Parcel Mapportico.sidwellco.com/portal/apps/experiencebuilder/experience/ |
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| Permits and building records | Jefferson County Highway Department Permitsjeffersoncounty.illinois.gov/services/highway/permits.php |
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| Zoning and land use | Jefferson County Codejeffersoncounty.illinois.gov/government/county_code.php |
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County data
Jefferson 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 |
|---|---|---|---|---|
| Mount Vernon | $108,462 | $27,656 | 1.56% | $1,621 |
| Woodlawn | $158,703 | $38,132 | 1.18% | $1,720 |
| Bluford | $99,186 | $24,392 | 1.10% | $1,114 |
| Bonnie | $87,518 | $22,053 | 1.06% | $952 |
| Dix | $121,202 | $30,482 | 1.13% | $1,380 |
| Belle Rive | $97,086 | $27,616 | 1.25% | $1,224 |
| Opdyke | $110,891 | $28,946 | 1.16% | $1,380 |
| Waltonville | $117,234 | $27,227 | 0.96% | $1,014 |
| Ina | $82,229 | $22,180 | 1.37% | $1,140 |
| Scheller | $162,101 | $31,115 | 0.87% | $1,284 |
FAQ
Jefferson County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Jefferson County property records by address?
Use the official Jefferson County Property Tax Inquiry to search Jefferson County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Jefferson County by address or APN.
How do I find the owners of Jefferson County properties?
Use the official Jefferson 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 Jefferson County properties by address or APN.
Where can I verify assessed value in Jefferson County?
Use the official Jefferson County Assessor Department for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Jefferson County property tax bills or payments?
Use the official Jefferson County Treasurer/Collector for property tax bills, payment history, due dates, or tax collector records.
Where can I find deeds or recorded documents in Jefferson County?
Use the official Jefferson County Clerk & Recorder 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 Jefferson County?
Use the official Jefferson County GIS Parcel Map 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 Jefferson County?
Use Jefferson County Highway Department Permits for permits and Jefferson County Code for zoning or land-use records. City properties may require city-specific permit or planning portals.
Can I build a list of Jefferson 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.