JB PARCELRock Island County, Illinois: parcel data and property records
65,806 Rock Island County parcels on one searchable map: owner of record and mailing address and recorded sales, plus lot boundaries and location. Screen by absentee ownership, acreage, year built and owner tenure.
What the data covers
These bars show real field-by-field coverage for Rock Island County in our database, so you know exactly what you are getting before you search. Numbers refresh as the county publishes new records.
Not held for Rock Island County: assessed values, deeded acreage and vacancy. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-09-17.
Areas covered
Parcel counts by place, largest first: Moline (17,939), Rock Island (15,258), East Moline (8,461), Milan (4,286), Silvis (2,938).
Search Rock Island County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, recorded sales, year built and the full parcel report come with a plan that costs less than one hour of a title runner's time.
Explore the Rock Island County map See plans
Common questions
How many parcels are in Rock Island County, Illinois?
JB PARCEL carries 65,806 parcel records for Rock Island County, Illinois, with owner information on 99 percent of them.
Can I find out who owns a property in Rock Island County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, recorded sales, year built and lot lines on the map. Sale records here currently run through 2026-09-17.
How do I find vacant land or absentee owners in Rock Island County?
We do not hold vacancy data for Rock Island County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. Rock Island County does have owner mailing state: 3,804 parcels have an owner mailing address outside Illinois.
Can I search Rock Island County by lot size or acreage?
Yes. Acreage is on 28 percent of Rock Island County parcels, mapped from the parcel boundary, and the advanced search filters on it directly - set a minimum and maximum to pull every tract in that range, then stack vacancy or absentee ownership on top.