Rock Island County Illinois Property Records 2026
Rock Island County IL Assessment Search, Parcel Records, GIS and Property Taxes
Rock Island County property assessment works differently from counties where one county assessor directly appraises every parcel. Here, the local township assessor is the first-line appraiser. Chief County Assessor Amy K. Allman’s office guides township assessors, reviews and equalizes assessments, publishes changes, maintains ownership and sales information and administers major property-tax exemptions.
The county’s online Assessment Search is the fastest starting point for assessed value research, while the GIS Parcel Viewer adds map context. Treasurer Nick Camlin maintains the separate property-tax database and collects the tax bill. Recorder land records are used when you need deeds, mortgages, liens, plats, surveys or legal descriptions rather than assessment data.
County online assessment lookup
GIS parcel map linked by county
Property assessed near one-third market value
2026 assessments are payable in 2027
Chief County Assessor
Amy K. Allman
Assessment Office
309-558-3660
Assessment level
About ⅓ market value
2026 assessment
Payable in 2027
Editorial review
August 12, 2026
Do Not Confuse the 2026 Assessment With the Tax Bill Being Paid Now
Township assessors are currently reviewing 2026 assessments. Those values will generally be used for property taxes payable in 2027. The bill currently being collected by the Treasurer in 2026 is based on the 2025 real-estate tax year.
June 10, 2026
First installment of 2025 real-estate tax payable in 2026.
August 10, 2026
Second installment. This due date has just passed.
September 10, 2026
Third installment and the next scheduled payment date.
November 10, 2026
Fourth installment due.
Missed August 10? Illinois law requires unpaid installments to accrue interest at 1.5% per month or any part of a month until paid, sold or forfeited. Use the live Treasurer balance instead of sending the original installment amount.
Township Assessor vs Chief County Assessment Office vs Treasurer vs Recorder
Township Assessor
- Inspects and appraises parcels
- Maintains property record cards
- Square footage and building details
- Lot size
- Age and sale information
- First contact for value questions
- 2026 assessment review
Chief County Assessor
- Guides township assessors
- Reviews assessments
- Calculates equalization factors
- Publishes assessment changes
- Maintains sales/ownership data
- Processes major exemptions
- Assists Board of Review
Treasurer / Collector
- Property-tax search
- Tax collection
- Four installments
- Payment history
- Online payment
- Delinquent tax
- Annual tax sale
Recorder
- Deeds
- Mortgages
- Releases
- Property liens
- Subdivision plats
- Land surveys
- Legal documents
Best rule: start a valuation question with your township assessor, a tax-payment question with the Treasurer and a legal ownership/document question with the Recorder.
Choose Your Rock Island County Property Task
Look up assessed value
Use the county Assessment Search.
Check parcel location
Use the county-linked GIS Parcel Viewer.
Correct property details
Contact the township assessor responsible for the parcel.
Check or pay tax
Use Treasurer property-tax records and payment services.
Appeal value
Watch the fall assessment publication and 30-day Board of Review window.
Find deed or lien
Use the Recorder’s Laredo/Tapestry land-record systems or office records.
Jump to the Property Information You Need
How to Search Rock Island County Property Assessments
Rock Island County provides an official Online Assessment Search for public inquiry and review. The county warns that the database is a working file that is updated regularly and is intended for individual research rather than automated bulk retrieval.
Open Rock Island County Assessment Search.
Go to Official Assessment Search.
Read and accept the county disclaimer.
JavaScript must be enabled for the assessment search to operate.
Locate the correct parcel.
Use the identifying information available in the live search and avoid selecting a property solely because the owner or street looks similar.
Copy the Property Index Number.
Keep the complete PIN for tax, GIS, township and Recorder research.
Review assessed value.
Remember that Illinois assessment value is not the same as full estimated market value.
Identify the township.
Your township assessor is the first assessment official to contact about property characteristics or value.
Compare the current and prior assessment years.
Be careful not to compare a 2026 assessment payable in 2027 with the tax bill currently being paid in 2026.
Use township property records for physical detail.
The county says township files can contain square footage, lot size, age and sale information.
Check GIS for map context.
Confirm general parcel location and adjoining parcels.
Open the Treasurer database for tax status.
Assessment Search does not replace the official current tax account.
Automation restriction: Rock Island County expressly prohibits crawlers, robots and similar automated retrieval from the assessment database. Use the search for normal individual parcel research.
Use the Rock Island County GIS Parcel Viewer for Map Context
Locate the parcel
Use the GIS map to understand the parcel’s position relative to streets and surrounding property.
Cross-check PIN
Match map results to the Property Index Number in the Assessment Search.
Research nearby parcels
Map context can help identify comparable nearby properties for further research.
GIS is not a boundary survey. Use recorded plats, deeds and a licensed surveyor when a boundary, encroachment, access or legal acreage question affects a transaction.
Six Checks Before You Rely on a Rock Island County Property Record
PIN
Exact parcel.
Township
Correct assessor.
Owner
Current record.
Property Data
Size/age/lot.
Assessment Year
2025 vs 2026.
Tax Status
Treasurer record.
Use the PIN as your common key. Owner names and mailing addresses can change; the Property Index Number is usually the most reliable identifier when moving between county systems.
What Rock Island County Property Records Mean
| Record item | What it means | What to verify next |
|---|---|---|
| Property Index Number | Parcel identifier used across county assessment and tax systems. | Copy it exactly. |
| Township | Local assessment jurisdiction responsible for the parcel appraisal. | Use the township assessor directory. |
| Assessed Value | Tax assessment generally targeted at one-third of fair market value. | Multiply by roughly three for an initial market-value check. |
| Equalized Assessed Value | Assessment after applicable equalization adjustments. | Use this for exemption and tax calculations. |
| Square Footage | Building characteristic maintained in township assessment records. | Measure/document if incorrect. |
| Lot Size | Land-size information used in assessment records. | Use recorded survey for legal precision. |
| Year Built / Age | Physical characteristic relevant to valuation. | Correct factual errors with township assessor. |
| Sales Information | Real-estate sales information maintained for assessment research. | Compare arm’s-length sales of similar parcels. |
| Owner / Mailing Information | Ownership and taxpayer mailing information maintained in county files. | Recorder deed controls legal title research. |
Find the Right Rock Island County Township Assessor
The county currently lists 18 assessment townships. Some have elected assessors and others use contracted assessors.
Start locally before filing a formal complaint. Rock Island County repeatedly advises taxpayers to discuss a questionable assessment with the township assessor first because that office is most familiar with the property.
Rock Island County Property Is Assessed at About One-Third of Market Value
Property facts
Township assessor reviews land, building, sales and local market information.
Fair Market Value
Estimated price the property should bring in the market.
Assessment ≈ ⅓
Township assessor generally assesses taxable real property at one-third market value.
EAV + Tax
Equalization/exemptions are applied before tax rates produce the tax bill.
$300,000 market-value example
A rough one-third assessment would be about $100,000 before equalization and exemptions.
Reverse check
A $90,000 assessment suggests an initial market-value estimate near $270,000 before considering equalization details.
Do not calculate the tax from market value alone. The bill is affected by equalized assessed value, exemptions and tax rates from the local taxing districts serving the parcel.
Rock Island County Township Equalization Factors
The Chief County Assessment Office calculates equalization factors to help bring average assessment levels to a uniform relationship with market value.
Uniform percentage
A township equalization factor can increase or decrease assessments throughout a township.
Not parcel-specific
The factor is different from a township assessor changing one property because of its characteristics.
Farmland exception
The county’s assessment-publication guidance notes that township equalization factors are not placed on farmland in the same manner.
When comparing years: determine whether the difference came from a parcel appraisal change, an equalization factor, a new improvement, an exemption change or a combination of those items.
What Is Happening With Rock Island County 2026 Assessments?
2023
First year of the current general assessment period.
2024–2025
Township assessors continued annual review within the four-year period.
2026
Final year of the 2023–2026 assessment period; township review is currently underway.
2027 payment
The 2026 assessment will generally feed the property tax payable in 2027.
Early fall: the Chief County Assessor says notices will be mailed to taxpayers whose 2026 assessments change. Assessment changes will also be published in the Dispatch/Argus.
August 2026 opportunity: the formal 2026 Board of Review complaint period has not yet opened on the county’s current page. This is a good time to review your parcel with the township assessor before fall publication.
Rock Island County Assessment Appeal Process
The Board of Review currently says the property-assessment complaint session is closed and directs taxpayers to contact their township assessor about 2026 assessments. When 2026 assessment changes are published, the formal Board of Review complaint session opens.
Township review
Discuss 2026 value before publication.
Notices
Changed assessments are mailed.
Publication
Assessment changes appear in local newspaper.
BOR window
Complaint must be filed within 30 days of publication.
Evidence
Board reviews market/equity complaint.
PTAB
State appeal after final Board decision.
Rock Island County identifies three common appeal grounds
Property record is wrong
A factual characteristic affecting value is incorrect.
Market value is too high
Similar properties sold for less than the market value implied by your assessment.
Assessment is inequitable
Your market value may be reasonable, but your assessment is higher than similar properties.
- Property Index Number
- Township record card
- Current assessment
- Prior assessment
- Recent appraisal
- Comparable property sales
- Comparable assessments
- Photos of condition
- Building measurements
- Repair / defect evidence
High tax is not enough. The county specifically warns that an assessment appeal is for proving an incorrect or inequitable assessment—not simply arguing that the tax bill is too high.
Do not wait for the 2027 tax bill. Rock Island County says that once the tax bill arrives, it is too late to appeal the underlying assessment through the ordinary assessment process.
“I am reviewing parcel PIN __________ in __________ Township. The 2026 assessment is __________, which implies a market value of approximately __________. I believe the correct assessment should be __________ because __________. Please review the property record with me before the Board of Review filing period begins.”
Rock Island County Homestead and Disability Property Tax Relief
Owner Occupied / General Homestead
County page says this can lower EAV by up to $6,000 for a qualifying principal residence.
Senior Homestead
County page lists a $5,000 EAV reduction for qualifying homeowners age 65 or older.
Disabled Persons
County page lists a $2,000 EAV exemption for a qualifying disabled homeowner.
Returning Veteran
County page lists a $5,000 EAV exemption for qualifying returning veterans.
Owner Occupied eligibility: the county says the home generally must be the applicant’s principal dwelling place as of January 1 of the assessment year and the applicant must have an ownership/qualifying leasehold interest and property-tax liability.
Rock Island County Property Tax Relief
Review homestead, disability, veteran, historic, open-space and other exemption programs.
2026 Senior Citizen Assessment Freeze Income Limit Increased to $75,000
Illinois Public Act 104-0452 raised the Low-Income Senior Citizen Assessment Freeze Homestead Exemption income limit beginning with the 2026 assessment year payable in 2027.
- 2025 assessment payable 2026: maximum household income $65,000 using 2024 income.
- 2026 assessment payable 2027: maximum household income $75,000 using 2025 income.
- 2027 assessment payable 2028: scheduled maximum $77,000.
- 2028 assessment payable 2029: scheduled maximum $79,000.
The Senior Freeze does not literally freeze the tax bill. It is an assessment-freeze exemption. Tax rates can change, and other taxable components can still affect the final amount.
Annual renewal required: Rock Island County states that the Senior Freeze must be renewed every year.
Senior Freeze Exemption
Review the new income limits and obtain the current PTAX-340 application.
Disabled Veteran Homestead Exemption Levels
| Service-connected disability | County-published benefit |
|---|---|
| 30% to less than 50% | $2,500 reduction in EAV. |
| 50% to less than 70% | $5,000 reduction in EAV. |
| 70% or more | County describes a total exemption for the qualifying portion, with the first $250,000 of residential EAV covered under the program. |
Annual renewal: the county states that the Disabled Veterans Standard Homestead Exemption must be renewed each year.
Disabled Veterans Standard Exemption
Review eligibility, surviving-spouse provisions and application requirements.
Rock Island County 2026 Property Tax Search, Due Dates and Payment
The bill being paid during 2026 is the 2025 real-estate tax. Rock Island County mailed real-estate tax bills on or before May 1, 2026 and divided payment into four installments.
| Installment | 2026 due date | Status on August 12 |
|---|---|---|
| First | June 10, 2026 | Past due if unpaid. |
| Second | August 10, 2026 | Just passed; late interest applies if unpaid. |
| Third | September 10, 2026 | Next scheduled installment. |
| Fourth | November 10, 2026 | Final scheduled installment. |
Find the parcel assessment first.
Copy the 10-digit Property Index Number from your county record or tax bill.
Open Property Tax Search.
Use Rock Island County Property Tax Search.
Confirm the correct tax year.
The active 2026 payment schedule is for 2025 real-estate taxes.
Review installment status and penalties.
If a due date passed, use the live balance instead of the original bill stub amount.
Pay online when appropriate.
Use the county-linked payment system.
Save payment confirmation.
Keep the receipt and recheck the property-tax account after processing.
E-check
County currently lists a $1.00 processor fee.
Card / mobile wallet
County currently lists a 2.45% processing fee.
Phone payment
309-518-9200
Interest: late installments accrue 1.5% per month or any part of a month under the county’s published payment guidance.
No second bill: Rock Island County says it does not mail a separate second, third or fourth installment notice; all four stubs are included with the original real-estate tax bill.
Mailing rule: only a U.S. Postal Service postmark is used for determining timely mailed tax payments. A private postage-meter date does not substitute for the USPS postmark.
December 2026 Tax Sale Deadlines
After Nov. 13
County says payment methods become restricted for late-year real-estate tax collections.
December 28
Last day the Treasurer says property-tax payments will be accepted before the annual tax sale.
December 29
Published 2026 annual Tax Sale date.
Tax buyer process
Successful tax buyers pay the delinquent taxes/charges; the property owner retains redemption rights under Illinois law.
A tax sale is not an immediate conventional property purchase. Illinois annual tax sales involve the sale of delinquent-tax interests/certificates and a statutory redemption process. Do not assume bidding instantly transfers ordinary deed ownership.
Rock Island County Treasurer
Review current delinquent-tax and tax-sale announcements before relying on a date or payoff amount.
Search Rock Island County Deeds, Mortgages, Liens, Plats and Surveys
The Recorder’s Office is the official land-records office for Rock Island County. The current county page identifies Kelly Fisher as County Recorder and says the office maintains records dating to the mid-1800s.
Deeds & mortgages
Recorded ownership and financing instruments belong with the Recorder.
Liens & releases
Property liens, releases and assignments are recorded land documents.
Plats & surveys
The Recorder stores subdivision plats, land surveys and monument records.
Start with the parcel PIN and current assessment owner.
This helps narrow the land-record search.
Choose a Recorder search service.
The Recorder links users to Laredo and Tapestry for land-record searching.
Search the parties and property description.
Verify that a same-name result actually concerns the parcel.
Review deed, mortgage and lien history.
Ownership alone does not show every encumbrance.
Use a copy of the latest deed for legal-description questions.
The Recorder says requests for legal descriptions must be accompanied by the cost of a copy of the latest deed.
Mail requests: the Recorder currently says mailed information requests requiring a copy should include $5 for each requested copy. No fee is listed for information not requiring a copy.
Title warning: the Recorder’s records are essential, but a do-it-yourself search is not a substitute for a professional title examination when liens, easements, ownership, mineral rights or insurability matter.
Rock Island County Recorder
Open official land-record search links and recording information.
Illinois Farmland Assessment Uses Agricultural Economic Value
Rock Island County explains that qualifying farmland is assessed using agricultural-use value rather than ordinary development-market value.
Use-based valuation
Farmland value considers agricultural economic productivity rather than ordinary residential development value.
Prior use
County guidance says the property generally must have been used as a farm for the previous two years.
Residential use matters
A primarily residential parcel does not become farmland merely because limited crops or animals are present.
Different appeal rules: Rock Island County’s general seven-step assessment appeal page specifically says those steps do not apply to farmland and farm buildings. Contact local assessment officials for farmland-specific review.
Rock Island County Assessment, Treasurer, Board and Recorder Offices
Chief County Assessment Office
Amy K. Allman
1504 Third Avenue
County Office Building, 2nd Floor
Rock Island, IL 61201
309-558-3660
Fax: 309-558-3658
Mon–Fri: 8 a.m.–4:30 p.m.
1504 Third Avenue
County Office Building, 2nd Floor
Rock Island, IL 61201
309-558-3660
Fax: 309-558-3658
Mon–Fri: 8 a.m.–4:30 p.m.
Treasurer — Nick Camlin
1504 Third Avenue
1st Floor
Rock Island, IL 61201
309-558-3510
Fax: 309-558-3511
Mon–Fri: 8 a.m.–4:30 p.m.
1st Floor
Rock Island, IL 61201
309-558-3510
Fax: 309-558-3511
Mon–Fri: 8 a.m.–4:30 p.m.
Recorder’s Office
1504 Third Avenue
2nd Floor
Rock Island, IL 61201
309-558-3360
Fax: 309-558-3642
Mon–Fri: 8 a.m.–4:30 p.m.
2nd Floor
Rock Island, IL 61201
309-558-3360
Fax: 309-558-3642
Mon–Fri: 8 a.m.–4:30 p.m.
Rock Island County Property Search Troubleshooting
| Problem | Best next step | Correct office/tool |
|---|---|---|
| Cannot locate property | Use the county Assessment Search and confirm the PIN/township. | Assessment Search |
| Need map location | Open the official county-linked ArcGIS viewer. | GIS |
| Square footage or age wrong | Ask township assessor to review the property record card. | Township Assessor |
| 2026 value seems high | Discuss it with township assessor now; formal complaint period opens after fall publication. | Township → BOR |
| Tax bill seems high | Separate EAV, exemptions and tax rates; assessment appeal is not a complaint about tax amount. | Assessor + Treasurer |
| August installment unpaid | Use current Treasurer balance including applicable 1.5% monthly/partial-month interest. | Treasurer |
| Need current tax payment history | Use official Property Tax Search. | Treasurer |
| Need deed or lien | Use Laredo/Tapestry or Recorder office research. | Recorder |
| Need legal boundary | Use recorded deed/plat plus licensed surveyor. | Recorder + Surveyor |
| Senior Freeze income over $65,000 | For 2026 payable 2027, check the new $75,000 maximum rather than the old limit. | CCAO |
| Owner mailing address wrong | Contact assessment/treasurer staff and submit the appropriate current change form. | CCAO / Treasurer |
| Farmland valuation issue | Contact local assessment officials; standard seven-step appeal guidance does not cover farm land/buildings. | Township / CCAO |
“I am researching Rock Island County PIN __________ in __________ Township. The online assessment shows __________, but my property record, appraisal, deed or other evidence shows __________. Please confirm the current 2026 assessment and what documentation you need to review the discrepancy.”
Research a Rock Island County Property in This Order
1. Assessment Search
Find PIN, assessment and township.
2. Township + GIS
Verify characteristics, map and nearby parcels.
3. Treasurer
Check current tax bill, installments and payment history.
4. Recorder
Verify deed, mortgage, lien, plat and survey records.
Buying rural or Mississippi River-area property? Add floodplain, survey, legal access, easements, septic/well, zoning, farmland classification, drainage, utilities and title research where relevant.
Rock Island County Property Action Center
Rock Island County Property Assessor Search FAQs
1. How do I search Rock Island County property assessment records?
Use the official Rock Island County Online Assessment Search. After accepting the county disclaimer, locate the parcel, copy its Property Index Number, review the assessed value and identify the township. Use the separate GIS Parcel Viewer for map context and the Treasurer Property Tax Search for current tax information.
2. Who is the Rock Island County Chief County Assessor in 2026?
Amy K. Allman is the current Chief County Assessor. The Assessment Office is at 1504 Third Avenue, County Office Building, 2nd Floor, Rock Island, Illinois 61201. The phone number is 309-558-3660.
3. Why does Rock Island County have township assessors?
Township assessors are the first-line property appraisers in Rock Island County. They inspect, list and appraise property and maintain property record cards. The Chief County Assessment Office provides guidance, reviews assessments, calculates equalization factors, publishes assessment changes and administers major exemptions.
4. What percentage of market value is Rock Island County property assessed at?
Illinois taxable real property in Rock Island County is generally assessed at one-third of fair market value. For example, a property with a $300,000 fair market value would have an initial assessment of approximately $100,000 before considering equalization and exemptions.
5. What is happening with Rock Island County 2026 assessments?
Township assessors are currently reviewing 2026 assessments, which will generally be used for taxes payable in 2027. The county says notices of changed assessments will be mailed in early fall and assessment changes will also be published in the Dispatch/Argus.
6. When can I appeal my Rock Island County 2026 assessment?
The 2026 formal complaint period has not yet opened on the county’s current Board of Review page. The complaint session opens when assessment changes are published in the local newspaper, and taxpayers then have 30 days from publication to file a Board of Review complaint. Contact the township assessor now if you question your 2026 assessment.
7. When are Rock Island County property taxes due in 2026?
The 2025 real-estate taxes payable in 2026 are divided into four installments due June 10, August 10, September 10 and November 10, 2026. Unpaid installments accrue interest at 1.5% per month or any part of a month until paid, sold or forfeited.
8. What is the Rock Island County Senior Freeze income limit for 2026?
For the 2026 assessment year payable in 2027, the maximum household income for the Low-Income Senior Citizen Assessment Freeze Homestead Exemption increased to $75,000 and uses 2025 household income. The exemption must be renewed annually.
9. Where do I search Rock Island County deeds and property liens?
The Rock Island County Recorder is the official land-records office. It maintains deeds, mortgages, releases, property liens, subdivision plats, land surveys and monument records. The Recorder provides land-record searching through Laredo and Tapestry and also accepts in-person and written research requests.
10. What should I do if the Rock Island County property record is wrong?
Contact the township assessor first when square footage, lot size, age, sale information or assessed value is incorrect. Contact the Chief County Assessment Office for county-level assessment or exemption issues, the Treasurer for tax balances and payment records, and the Recorder for deeds, liens and recorded legal documents.
Official Sources and Editorial Verification
Chief County Assessment Office
Amy K. Allman, 2026 assessment review, four-year cycle, fall notices and office details.
Assessment Search
Official online public assessment inquiry and disclaimer.
Township Assessor Directory
Current township assessors, contacts and one-third market-value explanation.
GIS Parcel Viewer
ArcGIS parcel viewer linked directly by the county.
Board of Review
Current complaint-session status, 30-day publication rule and Board contacts.
Assessment Appeal
Seven-step appeal route from assessment research through State PTAB.
Treasurer
Nick Camlin, tax collection, address updates and annual tax-sale resources.
2026 Tax Installments
June 10, August 10, September 10 and November 10 due dates.
Online Tax Payment
E-check/card fees, phone payment and county-linked payment processor.
Senior Freeze
New 2026 $75,000 income maximum and future statutory limits.
Property Tax Relief
Homestead, disability, veteran, historic and open-space programs.
Recorder’s Office
Deeds, mortgages, liens, plats, surveys, Laredo and Tapestry.
Verified for this guide: Rock Island County Illinois jurisdiction, Chief County Assessor Amy K. Allman, township-assessor structure, 18 assessment townships, one-third market-value assessment target, current 2023–2026 assessment period, ongoing 2026 review, early-fall assessment-change notices, 30-day Board of Review complaint period after publication, current closed complaint-session status, Treasurer Nick Camlin, four 2026 tax installment dates, 1.5% late-interest rule, online payment fees, December 28 final payment date, December 29 annual tax sale, $75,000 2026 Senior Freeze income maximum, major homestead/veteran exemptions, GIS Parcel Viewer and Recorder land-record responsibilities.
CountyPropertyAppraiser.org is an independent informational website. It is not affiliated with Rock Island County, the Chief County Assessment Office, any township assessor, the Treasurer, Board of Review, Recorder, Illinois Department of Revenue, Illinois Property Tax Appeal Board, ArcGIS, Laredo, Tapestry or any government agency or property-data provider.
Assessments, equalization factors, tax rates, exemptions, complaint deadlines, installment balances, late charges, tax-sale schedules, officeholders and online systems can change. Verify time-sensitive information directly with the responsible county or township office before appealing an assessment, paying delinquent taxes, buying property, claiming an exemption or making a legal decision.
Editorial verification date: August 12, 2026.