Jefferson County parcel data

Parcel records for Jefferson County, Wisconsin: owners, assessed values, sales and boundaries.
Parcels
45,169
Last updated
Jun 30, 2026
Cities and towns
26
Zoning
Not yet

Cities and towns in Jefferson County

What each Jefferson County parcel record includes

  • Parcel number and boundary
  • Owners of record and mailing address
  • Assessed and market value
  • Most recent sale: price, date and deed
  • Lot size, land use and property class
  • Building: year built, area and units
  • Legal description
  • Zoning district
Example parcel · Jefferson County2.14 ac
Parcel number0651-45-8213
Owner of recordExample Holdings LLC
Market value 2026$486,300
Last sale$412,000 · 2021
Land useSingle family
Year built1998

Get Jefferson County parcels through the API

Search by address, owner, lot size, value or sale date.

Get an API keyRead the API docs 
curl -G 'https://api.placestack.com/v1/parcel' \
  -H "Authorization: Bearer $PLACESTACK_API_KEY" \
  --data-urlencode 'fips=55055'

Frequently asked questions

How many parcels are in Jefferson County?
Placestack has 45,169 parcel records for Jefferson County, Wisconsin.
What does a Jefferson County parcel record include?
The parcel number and boundary, owners of record and their mailing address, assessed and market value, the most recent sale, lot size, land use, the main building and the legal description.
Is Jefferson County zoning available?
Not yet for Jefferson County. Parcel records are available now.
How do I get Jefferson County parcel data?
Through the API, the MCP server or the map in the console.

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