Median estimated market value for properties in this county.
AssessorSearch county dataFranklin County, IL
Franklin 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 Franklin County, Illinois. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Franklin County address or APN
Official sources
Franklin 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 | Franklin County Supervisor of Assessmentsfranklincountyil.gov/supervisor-of-assessments/ |
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| Deeds and recorded documents | Franklin County Clerk & Recorderfranklincountyil.gov/county-clerk-recorder/ |
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| Property taxes | Franklin County Property Tax Inquiryfranklinil.devnetwedge.com |
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| GIS and parcel maps | Franklin County GIS Portalportico.mygisonline.com/html5/ |
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| Permits and building records | Franklin County Building Permit Informationfranklincountyil.gov/wp-content/uploads/2025/10/Franklin-County-Building-Permit.pdf |
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| Zoning and land use | Franklin County Code of Ordinancescodelibrary.amlegal.com/codes/franklincounty/latest/franklinco_il/0-0-0-1 |
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County data
Franklin 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 |
|---|---|---|---|---|
| West Frankfort | $181,528 | $19,705 | 0.79% | $1,278 |
| Benton | $183,155 | $24,985 | 0.96% | $1,527 |
| Christopher | $180,068 | $18,325 | 0.66% | $1,004 |
| Sesser | $182,423 | $21,550 | 0.76% | $1,232 |
| Mulkeytown | $183,316 | $23,920 | 0.63% | $908 |
| Thompsonville | $182,269 | $20,705 | 0.59% | $955 |
| Zeigler | $178,828 | $13,835 | 0.52% | $812 |
| Royalton | $179,335 | $16,018 | 0.44% | $646 |
| Valier | $180,097 | $16,730 | 0.50% | $742 |
| Ewing | $182,069 | $20,545 | 0.74% | $1,236 |
FAQ
Franklin County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Franklin County property records by address?
Use the official Franklin County Supervisor of Assessments to search Franklin County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Franklin County by address or APN.
How do I find the owners of Franklin County properties?
Use the official Franklin County Supervisor of Assessments 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 Franklin County properties by address or APN.
Where can I verify assessed value in Franklin County?
Use the official Franklin County Supervisor of Assessments for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Franklin County property tax bills or payments?
Use the official Franklin 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 Franklin County?
Use the official Franklin 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 Franklin County?
Use the official Franklin County GIS Portal 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 Franklin County?
Use Franklin County Building Permit Information for permits and Franklin County Code of Ordinances for zoning or land-use records. City properties may require city-specific permit or planning portals.
Can I build a list of Franklin 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.