Rock County, WI Property Records
Property records in Rock, Wisconsin document ownership, valuation, taxes, transfers, and legal descriptions for real estate within Rock County. These records may include deeds, mortgages, liens, parcel maps, assessment data, tax history, and related land documents. They are useful for verifying ownership, researching property boundaries, reviewing tax obligations, supporting real estate transactions, and conducting title or historical research.
Users can access official Rock property records through Rock County government offices, including the Register of Deeds for recorded land documents and county land information or tax offices for parcel and assessment details. Online tools and office contact information are available through the county’s official property records resources.
Rock County, WI Property Records & Statistics
Rock County sits above the Wisconsin and national averages on most housing measures. The median rent is $987, compared with $814 statewide and $840.25 nationally. The median home value of $198,600 is slightly higher than Wisconsin's $194,600 and above the national $173,750, so housing here costs somewhat more than average.
The county's median property tax rate of 1.82% stands out. It is well above the state rate of 1.47% and more than double the national rate of 0.74%, so owners carry one of the heavier tax burdens relative to home value.
Income is a bit stronger than average, with a median household income of $70,317 against $67,963.50 in Wisconsin and $65,108 nationally. The unemployment rate is 2.11%, higher than the state's 1.86% but lower than the national 2.87%.
Renter-occupied housing makes up 24.94% of occupied homes, above the state's 18.62% and the national 21.81%. Rock County therefore has a relatively active rental market, with above-average rents and a high property tax rate balanced by solid incomes.
Median Rent
Median Property Tax Rate
Median Home Value
Median Income
Unemployment Rate
Renter Occupied Housing
Property Records, Assessments, and Valuations in Rock
Rock County property records include tax assessments, recorded deeds and mortgages, property valuations, and foreclosure filings. The county has 72,674 total parcels, including 62,668 residential and 2,148 commercial parcels, with tax records covering 96.12% of the population for the 2024 assessment year. Recorded documents include 113,061 deeds and 137,523 mortgages, and 55,928 properties have valuation data.
| Key Data | Details |
|---|---|
| Total Parcels | 72,674 |
| Residential Parcels | 62,668 |
| Commercial Parcels | 2,148 |
| Tax Record Coverage | 96.12% |
| Assessment Year | 2024 |
| Deed Records | 113,061 |
| Mortgage Records | 137,523 |
| Properties with Valuation Data | 55,928 |
| Latest Valuation Update | August 19, 2025 |
| Notice of Sale Records | 20,321 |
How to Search Rock County, WI Property Records
Rock County property records combine assessment data for 72,674 parcels with the deeds and mortgages recorded by the Register of Deeds. Together they show who owns a property, how it is classified, and what transfers and loans have been recorded against it.
To look up recorded documents, use the Rock County online real estate search. Deeds and mortgages in the data are recorded from January 3, 2006 through August 19, 2025. The Rock County Register of Deeds page describes the office's services, the Rock County real estate forms page has recording paperwork, and the Rock County document fees and eRecording page covers costs and electronic submission.
The office is at 51 South Main Street, Janesville, WI 53545, open Monday through Friday from 8:00 AM to 4:30 PM. Call 608-757-5650 with questions.
Before searching, have the address, owner name, or parcel number ready. Enter the most complete details you have and check the results against the property you are researching.
Rock Registrar of Deeds
The Rock County Probate Office is located at 51 South Main Street, Janesville, WI, 53545 and can be reached at 608-757-5650. Office hours are Monday-Friday 8:00 AM – 4:30 PM. Records can be accessed through co.rock.wi.us or the official website co.rock.wi.us.
Rock County Register of Deeds
Rock County Property Records FAQ
How can I search Rock County property records by address?
Open the Rock County online real estate search and look up the property using the owner's name or details from the address. Review the recorded documents that match. If results are unclear, try a shorter search or call the Register of Deeds at 608-757-5650 for help.
How can I find property owners in Rock County?
Ownership is recorded on deeds. Use the Rock County online real estate search to find the deed for a property and see who it was transferred to. Deeds in the data run from January 3, 2006 through August 19, 2025. For older records, call 608-757-5650.
How can I check a property's assessed value in Rock County?
Rock County's tax records reflect the 2024 assessment year, with the latest assessor update on March 31, 2025. Assessments are set locally, so the city, village, or town where the property is located is the best contact for a specific value. The Register of Deeds at 608-757-5650 can help you find the right office.
Where can I find Rock County property tax bills and payment records?
The county's current tax records cover the 2024 tax year. In Wisconsin, local municipal offices commonly handle tax bills and payments, so contact the city, village, or town where the property is located. If you are unsure whom to call, the Register of Deeds at 608-757-5650 can point you in the right direction.
How can I find deeds and other recorded documents in Rock County?
The Rock County Register of Deeds records deeds, mortgages, and other real estate documents. Search them through the online real estate search, or see the Register of Deeds page for services. The office is at 51 South Main Street, Janesville, open weekdays from 8:00 AM to 4:30 PM.
Where can I access Rock County parcel maps and GIS information?
Rock County has 72,674 parcels, and parcel maps show their boundaries and locations. Visit the Rock County website to find its mapping tools, or call the Register of Deeds at 608-757-5650 to ask which department maintains them. Parcel maps are a reference and not a legal survey.
How can I check permits and zoning information in Rock County?
Permits and zoning are often handled by the municipality where a property sits, with the county involved in some areas. Contact the city, village, or town office for your property and ask which approvals apply. The Register of Deeds at 608-757-5650 can direct you to the correct department if you are unsure.
How can I create a list of property owners in Rock County?
The Rock County online real estate search is built for one property or name at a time. For a larger list, such as owners in a neighborhood, call the Register of Deeds at 608-757-5650 and ask what records or copies the office can provide.