Median estimated market value for properties in this county.
AssessorSearch county dataMason County, IL
Mason 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 Mason County, Illinois. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Mason County address or APN
Official sources
Mason 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 | Mason County Supervisor of Assessmentsmasoncountyil.gov/assessment/ |
|
| Property search | Mason County Property Tax Inquiry (DevNet)masonil.devnetwedge.com |
|
| Deeds and recorded documents | Mason County Clerk - Land Recordswww.fidlar.com/Laredo.aspx |
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| Property taxes | Mason County Property Tax Inquiry (DevNet)masonil.devnetwedge.com |
|
| GIS and parcel maps | Mason County GIS Mapmasonil.wthgis.com |
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| Zoning and land use | Mason County Zoning Officemasoncountyil.gov/zoning/ |
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County data
Mason 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 |
|---|---|---|---|---|
| Havana | $184,882 | $25,027 | 0.96% | $1,582 |
| Mason City | $186,289 | $30,517 | 1.08% | $1,856 |
| Manito | $190,172 | $36,992 | 1.31% | $2,315 |
| Topeka | $177,993 | $12,022 | 0.52% | $692 |
| Bath | $178,856 | $14,071 | 0.43% | $650 |
| Easton | $184,593 | $25,164 | 0.91% | $1,540 |
| San Jose | $183,967 | $25,424 | 0.85% | $1,419 |
| Kilbourne | $183,787 | $23,179 | 0.65% | $1,150 |
| Forest City | $181,442 | $17,998 | 0.78% | $1,223 |
| Chandlerville | $186,073 | $31,896 | 0.90% | $1,546 |
FAQ
Mason County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Mason County property records by address?
Use the official Mason County Property Tax Inquiry (DevNet) to search Mason County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Mason County by address or APN.
How do I find the owners of Mason County properties?
Use the official Mason County Property Tax Inquiry (DevNet) 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 Mason County properties by address or APN.
Where can I verify assessed value in Mason County?
Use the official Mason County Supervisor of Assessments for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Mason County property tax bills or payments?
Use the official Mason County Property Tax Inquiry (DevNet) for property tax bills, payment history, due dates, or tax collector records.
Where can I find deeds or recorded documents in Mason County?
Use the official Mason County Clerk - Land Records 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 Mason County?
Use the official Mason County GIS 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 Mason County?
Use Mason County Zoning Office for zoning or land-use records. City properties may require city-specific planning portals.
Can I build a list of Mason County property owners?
Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.
Related counties
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Use related county pages when researching nearby property records or comparing official source patterns.