Median estimated market value for properties in this county.
AssessorSearch county dataRock Island County, IL
Rock Island 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 Rock Island County, Illinois. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Rock Island County address or APN
Official sources
Rock Island 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 | Rock Island County Assessment Searchwww.rockislandcountyil.gov/176/Assessment-Search |
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| Deeds and recorded documents | Rock Island County Recorder's Officewww.rockislandcountyil.gov/308/Recorders-Office |
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| Property taxes | Rock Island County Property Tax Inquiryrockislandil.devnetwedge.com |
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| GIS and parcel maps | Rock Island County GIS Map Viewerwww.rockislandcountyil.gov/176/Assessment-Search |
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| Permits and building records | Rock Island County Building Permitswww.rockislandcountyil.gov/366/Building-Permits |
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| Zoning and land use | Rock Island County Zoningwww.rockislandcountyil.gov/410/What-Is-My-Property-Zoned |
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County data
Rock Island 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 |
|---|---|---|---|---|
| Moline | $190,475 | $43,385 | 2.21% | $3,395 |
| Rock Island | $153,173 | $36,480 | 2.50% | $3,304 |
| East Moline | $174,122 | $41,887 | 2.40% | $3,546 |
| Milan | $197,284 | $49,652 | 2.04% | $3,723 |
| Silvis | $165,577 | $44,258 | 2.63% | $3,850 |
| Coal Valley | $250,855 | $69,752 | 2.23% | $5,189 |
| Port Byron | $283,272 | $81,377 | 2.01% | $5,553 |
| Taylor Ridge | $248,252 | $71,214 | 2.00% | $4,676 |
| Hampton | $207,411 | $56,724 | 2.15% | $4,175 |
| Andalusia | $192,064 | $60,737 | 2.31% | $4,437 |
FAQ
Rock Island County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Rock Island County property records by address?
Use the official Rock Island County Assessment Search to search Rock Island County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Rock Island County by address or APN.
How do I find the owners of Rock Island County properties?
Use the official Rock Island County Assessment Search 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 Rock Island County properties by address or APN.
Where can I verify assessed value in Rock Island County?
Use the official Rock Island County Assessment Search for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Rock Island County property tax bills or payments?
Use the official Rock Island 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 Rock Island County?
Use the official Rock Island County Recorder's Office 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 Rock Island County?
Use the official Rock Island County GIS Map 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 Rock Island County?
Use Rock Island County Building Permits for permits and Rock Island County Zoning for zoning or land-use records. City properties may require city-specific permit or planning portals.
Can I build a list of Rock Island 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.