Rock County parcel data

Parcel records for Rock County, Wisconsin: owners, assessed values, sales and boundaries.
Parcels
73,128
Last updated
Jun 30, 2026
Cities and towns
28
Zoning
Not yet

Cities and towns in Rock County

What each Rock 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 · Rock 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 Rock 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=55105'

Frequently asked questions

How many parcels are in Rock County?
Placestack has 73,128 parcel records for Rock County, Wisconsin.
What does a Rock 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 Rock County zoning available?
Not yet for Rock County. Parcel records are available now.
How do I get Rock County parcel data?
Through the API, the MCP server or the map in the console.

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