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Coverage / Wisconsin / Jefferson

Jefferson County, WI parcel owner data

19,145 parcels with the owner of record. 19,145 carry an owner mailing address (100%), and 14,235 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. 862 of these rows (5%) 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 Jefferson County file arrives at about 18,283 mailable rows, not 19,145. That is the number to price against.

19,145

Parcels

19 named places

14,235

Absentee owners

74% of rows

732

Out of state

4% of rows

5,939

LLC / trust owned

31% 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. Jefferson County publishes most of its mailing addresses without a trailing state and ZIP, so the filter can only confirm 732. 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 Jefferson 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 19,145 parcels carry each field.

Field coverage for Jefferson County
FieldRowsShareCoverageStatus
Parcel numberThe county's own APN, exactly as published.19,145100%Complete
Latitude / longitudeParcel centroid. This is what puts the row on the map.19,145100%Complete
Owner of recordName as the assessor publishes it, second owner kept where there is one.19,145100%Complete
Property addressStreet address of the parcel itself.19,145100%Complete
Property ZIPNeeded for a ZIP-scoped pull.19,145100%Complete
Owner mailing addressOne line, as published. This is what a mail piece is addressed to.19,145100%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.00%Not published
AcreageDeeded acres. Absent in Florida and Colorado counties.19,145100%Complete
Assessed land valueLand only. There is no improvement or total value, so equity cannot be estimated.19,145100%Complete
Land use codeFree text from the county. Missing entirely in Texas and Florida, so a vacant-land filter matches nothing there.12,06963%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.

Sample parcel rows from Jefferson County
ParcelOwnerProperty addressOwner mails fromAcresLand valueFlag
181-0616-0313-100LOGEMANN INVESTMENTS LLC910 FRONT St, Sullivan912B FRONT ST SULLIVAN WI 531780.40188,000Absentee
032-0815-0123-005JACOBOSKY PATRICK JN 9526 BUCHERT Ln, WatertownN9526 BUCHERT LN WATERTOWN WI 530940.75330,400Absentee
016-0614-3321-001KNOX BRIAN V TRUSTW 6305 HOARD Rd, KoshkonongW6305 HOARD RD FORT ATKINSON WI 5353814.39371,400Absentee
226-0614-3243-164MIELKE TIMOTHY J1539 MONTCLAIR Pl, Fort Atkinson1539 MONTCLAIR PL FORT ATKINSON WI 535380.13200,600Owner-occupied
024-0516-1033-002SODEN CHARLES L TRUST0, PalmyraN1730 KELLN LN PALMYRA WI 5315610.0033,700Absentee
022-0613-0743-043ZEKIND KEITH AN 4121 SLEEPY HOLLOW Rd, OaklandN4121 SLEEPY HOLLOW RD CAMBRIDGE WI 535230.25160,900Absentee
022-0613-2911-003CONLON SEANW 8941 MARSH Rd, OaklandW8941 MARSH RD FORT ATKINSON WI 535382.47536,200Absentee
008-0715-2613-000WILSON JAYN 5576 COUNTY ROAD D, FarmingtonN5575 COUNTY ROAD D HELENVILLE WI 531372.00200Absentee
014-0614-1714-001JABLONSKI MATTHEW JW 6556 COUNTY ROAD J, JeffersonW6556 COUNTY ROAD J JEFFERSON WI 535492.82282,300Absentee
141-0715-1823-035WOOLEVER BROOK A204 CORA St, Johnson Creek321 N PLEASANT AVE JEFFERSON WI 535490.38245,700Absentee
226-0614-3242-037MILLER DENNIS E1608 COMMONWEALTH Dr # 1, Fort Atkinson1608 COMMONWEALTH DR #1 FORT ATKINSON WI 535380.00150,100Owner-occupied
016-0514-2711-001EHLERS BRUCE J TRUST0, KoshkonongW5330 COUNTY ROAD M FORT ATKINSON WI 5353816.000Absentee

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 Jefferson 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.