Contact Information
- Office Name:
- Rock County Mapping/GIS
- Phone:
- Not yet verified
- Official Website:
- Visit Website
- County FIPS:
- 55105
- Data Available Online:
- Yes
- Last verified:
- 2026-07-13
Searching Rock County Mapping/GIS Records
Data available
Open the free Land Records Instant app (also reachable from the county Maps and Data page via the Rock County LIO ArcGIS portal). Search or click map features for parcels and related layers such as addresses, lots/CSMs, and survey control. Cities of Beloit and Janesville maintain their own parcel data for those jurisdictions.
Additional Information
Rock County Mapping/GIS is provided through the county Land Information Office. The official Maps and Data page redirects to the Rock County LIO ArcGIS Online portal (rockcountylio.maps.arcgis.com). The public Land Records web map offers free interactive access to parcels and commonly used GIS layers, including 2024 imagery. Geospatial datasets can be streamed or downloaded from the county Open Data Hub, and ArcGIS REST feature/map services are published under rockgis.co.rock.wi.us:8443/rockpub/rest/services.
Provide title services in Rock County? Create a listing and add coverage to appear on this page.