ParcelioMcHenry County, Illinois: parcel data and property records
150,085 McHenry County parcels on one searchable map: owner of record and mailing address, assessed and appraised values and recorded sales, plus lot boundaries and location. Screen by absentee ownership, acreage and owner tenure.
What the data covers
These bars show real field-by-field coverage for McHenry 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 McHenry County: year built, land or improvement value and vacancy. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-10-30.
Areas covered
Parcel counts by place, largest first: Crystal Lake (22,180), Mchenry (20,991), Woodstock (14,075), Lake In The Hills (10,583), Huntley (9,996).
Recent sales
4,682 McHenry County parcels have a recorded sale dated since November 2025. Across 4,533 priced sales, with a deed recorded on several parcels counted once, the median price was $353,990 and the middle half sold between $265,200 and $473,250.
Nearest counties
- Boone County: about 19 mi away, 24,307 parcels
- Lake County: about 24 mi away, 278,978 parcels
- Kane County: about 27 mi away, 189,259 parcels
- DeKalb County: about 34 mi away, 43,135 parcels
- Winnebago County: about 36 mi away, 124,749 parcels
Search McHenry County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, assessed values, recorded sales and the full parcel report come with a plan that costs less than one hour of a title runner's time.
Explore the McHenry County map See plans
Common questions
How many parcels are in McHenry County, Illinois?
Parcelio carries 150,085 parcel records for McHenry County, Illinois, with owner information on 99 percent of them.
Can I find out who owns a property in McHenry County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, assessed values, recorded sales and lot lines on the map. Sale records here currently run through 2026-10-30.
How do I find vacant land or absentee owners in McHenry County?
We do not hold vacancy data for McHenry County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. McHenry County does have owner mailing state: 2,085 parcels have an owner mailing address outside Illinois.
Can I search McHenry County by lot size or acreage?
Yes. Acreage is on 94 percent of McHenry 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.