Coverage / Illinois / Williamson
Williamson County, IL parcel owner data
37,276 parcels with the owner of record. 37,276 carry an owner mailing address (100%), and 18,364 of those are absentee — the list investors mail first. Browsing is free and unlimited on the map; one credit turns any owner into a verified phone and email, and only if one comes back.
What a county file actually lands at. 1,602 of these rows (4%) are owned by a government body, a school or water district, a church, a cemetery or an HOA, and every list pull strips them — so a Williamson County file arrives at about 35,674 mailable rows, not 37,276. That is the number to price against.
37,276
Parcels
12 named places
18,364
Absentee owners
49% of rows
26
Out of state
0% of rows
7,026
LLC / trust owned
19% of rows
Why out-of-state is near zero here. That flag is read from the two-letter state before the ZIP at the end of the mailing address. Williamson County publishes most of its mailing addresses without a trailing state and ZIP, so the filter can only confirm 26. That is the filter's real answer for this county, not a rounding — an out-of-state pull here will come back nearly empty, and absentee is the flag to use instead.
What Williamson County publishes
A county is only as useful as the columns it fills in. This is measured on the rows themselves, not promised: how many of this county's 37,276 parcels carry each field.
| Field | Rows | Share | Coverage | Status |
|---|---|---|---|---|
| Parcel numberThe county's own APN, exactly as published. | 37,276 | 100% | Complete | |
| Latitude / longitudeParcel centroid. This is what puts the row on the map. | 37,276 | 100% | Complete | |
| Owner of recordName as the assessor publishes it, second owner kept where there is one. | 37,276 | 100% | Complete | |
| Property addressStreet address of the parcel itself. | 27,723 | 74% | Complete | |
| Property ZIPNeeded for a ZIP-scoped pull. | 37,276 | 100% | Complete | |
| Owner mailing addressOne line, as published. This is what a mail piece is addressed to. | 37,276 | 100% | Complete | |
| Mailing city / state as separate columnsSome counties publish the mailing address split into fields; most publish one line. Absentee and out-of-state are derived either way. | 0 | 0% | Not published | |
| AcreageDeeded acres. Absent in Florida and Colorado counties. | 37,276 | 100% | Complete | |
| Assessed land valueLand only. There is no improvement or total value, so equity cannot be estimated. | 37,276 | 100% | Complete | |
| Land use codeFree text from the county. Missing entirely in Texas and Florida, so a vacant-land filter matches nothing there. | 37,276 | 100% | Complete |
Read this before you filter. Mailing city / state as separate columns is under 40% populated in this county. A filter on it silently drops every row that has no value, so a range filter here will return far fewer records than the parcel count suggests.
Not in the record — for any county
- Sale date, sale price, transfer history
- Mortgage, lien, foreclosure or tax-delinquent status
- Equity (there is no total value to subtract from)
- Year built, square footage, beds and baths
- Flood, wetlands, landlocked or road-frontage flags
- Owner phone and email — those are traced on request, never stored on the parcel
Twelve real rows
Drawn deterministically by a hash of each row's own key, so these are the same twelve rows on every render and they spread across the county rather than down one street. Government, school, church and HOA owners are excluded, the way they are in a pull.
| Parcel | Owner | Property address | Owner mails from | Acres | Land value | Flag |
|---|---|---|---|---|---|---|
| 01-20-401-015 | LANE CARLIE JO | 14596 CAMBRIA Rd, Blairsville | TAX DISBURSEMENT 901 CORPORATE CENTER DR CARTE | 0.00 | 111,720 | Absentee |
| 02-19-437-009 | CPM REALTY GROUP LLC | 509 N 10TH St, Herrin | 6 CLUB LANE HERRIN IL 62948 | 0.00 | 124,770 | Absentee |
| 02-30-336-018 | SHEW RONALD G. | 53 ORCHARD Dr, Herrin | 11717 STOTLAR RD. HERRIN IL 62948 | 0.00 | 32,280 | Absentee |
| 02-30-152-017 | DUNN L. A. & EDWARDS A.D. | 509 S 25TH St, Herrin | 509 S 25TH STREET HERRIN IL. 62948 | 0.00 | 3,810 | Owner-occupied |
| 02-05-400-004 | CALCATERRA RODNEY A & SHERYL | 18530 FREEMANSPUR Rd, Herrin | 18530 FREEMAN SPUR RD HERRIN IL 62948 | 19.00 | 164,970 | Absentee |
| 03-35-383-021 | CKN PROPERTIES LLC | 101 E SCRANTON Ave, Lake Creek | 17991 FOWLER SCHOOL ROAD PITTSBURG IL 62974 | 0.00 | 80,700 | Absentee |
| 02-29-305-003 | POND REBEKAH M. | 342 PARK Ln, Herrin | 342 PARK LN. HERRIN IL 62948 | 0.00 | 79,620 | Owner-occupied |
| 10-26-400-027 | GOSSER KIRK | 1102 CLUBHOUSE Rd, Southern | PATRICIA GOSSER 501 S FIFTH ST MARION IL 62959 | 0.55 | 262,410 | Absentee |
| 01-22-460-005 | KINCAID JAMES & RUBY | 101 N JOHNSON St, Blairsville | PO BOX 215 COLP IL 62921 | 0.00 | 4,470 | Absentee |
| 02-11-100-021 | JOHNSON RODNEY J. & KAREN J. | STIRITZ Rd, Herrin | KAREN J. JOHNSON 10708 STIRITZ RD JOHNSTON CIT | 3.42 | 0 | Absentee |
| 01-24-463-008 | CASEY RENTALS LLC | 1920 W MONROE St, Blairsville | C/O DON BECKER 1001 S COURT HERRIN IL 62948 | 0.00 | 108,750 | Absentee |
| 08-08-200-022 | CONNELL JOHN H. & DYLAN L. | ROCK CREEK Rd, Crab Orchard | DYLAN L. CONNELL 206 BOSWELL RD. PITTSBURG IL. | 24.58 | 0 | Absentee |
Public record data as published by the county. Phone and email are never shown here; they are resolved per owner, on request, with a right-party score.
What you can do with Williamson County owner data
Pull every absentee owner in a ZIP and export the mailing addresses for a direct-mail campaign. Draw a box around a subdivision on the map and skip-trace the whole block in one job. Look up who owns the lot next to a listing, then call them with a scored number instead of sending a letter that gets thrown away.
Where the data comes from
Parcel boundaries, owner of record and mailing addresses are public records maintained by the county assessor or GIS office. Quarry pulls them from the county's own published services and refreshes on the county's cycle; the counts on this page were measured 2026-09-09. Phone and email come from the skip-trace engine, cross-checked across sources and scored, and you are only charged when a contact is found.