Rock County Property Search

Search free Rock County WI property, land, and tax records through local government assessors, auditors, clerks, property appraisers, deeds recorders, treasurers, tax collectors, city halls, and town halls.


The Rock County Assessor is responsible for determining the value of property in order to determine Rock County property taxes. The Rock County Assessment Office collect data from on-site inspections, value assessments for construction or improvements, comparable sales, and calculations of depreciation. The Rock County Tax Assessor maintains current data on every parcel in the Rock County, which includes ownership information, maps of property lines, inventories of parcels and structures, and the value of all the property in the Rock County, WI. The Rock County Assessor’s Office can answer questions regarding Rock County property tax appeals and assessments, Rock County property tax rates and payment due dates.

Janesville Assessor Janesville WI 18 North Jackson Street 53548 608-755-3045

Rock County Property Lister Janesville WI 51 South Main Street 53545 608-757-5610


The Rock County Clerk files important documents and preserves municipal records in order to maintain an archive of Rock County property records that can be accessed by the public. The Clerk's Office is a valuable source of information on property in Rock County, Wisconsin. The Rock County Clerk's Office contains documentation on real estate excise taxes, registered land, and property transactions, as well as land documents including Rock County deeds, mortgages, and liens on properties.

Edgerton Clerk Edgerton WI 12 Albion Street 53534 608-884-3341

Evansville City Clerk Evansville WI 11 West Church Street 53536 608-882-2266

Harmony Township Clerk Milton WI 5911 N Jones Dr 53563 608-868-6065

Jamesville City Clerk Janesville WI 18 North Jackson Street 53548 608-755-3070

Rock County Clerk Janesville WI 51 South Main Street 53545 608-757-5660


The Rock County Recorders of Deeds maintain public records, particularly documents related to property and land records, and make them available for public access in Rock County, WI. The Office of Recorder of Deeds in Rock County is a valuable source of information on property records The Recorder of Deeds maintains documents on land transactions within its jurisdictions, including Rock County deeds and titles, mortgages, property ownership records, surveys, and easements, as well as tax liens.

Rock County Recorder of Deeds Janesville WI 51 South Main Street 53545 608-757-5650


Rock County Town Halls and City Hall are the chief administrative offices that runs the town or city. The Town Hall or City Hall often maintains records related to the locality, including Rock County property taxes, property value assessments, and land transactions, as well as property sales and transfers in Rock County, Wisconsin.

Avon Town Hall Brodhead WI 16513 West Beloit Newark Road 53520 608-897-8181

Beloit City Hall Beloit WI 2200 Milwaukee Road 53511 608-364-2867

Beloit Town Hall Beloit WI 2871 South Afton Road 53511 608-364-2980

Center Town Hall Evansville WI 9119 County Road A 53536 608-876-6658

Clinton Town Hall Clinton WI 700 Meadow Park Drive 53525 608-676-5395

Edgerton City Hall Edgerton WI 12 Albion Street 53534 608-884-3341

Milton City Hall Milton WI 690 South Janesville Street 53563 608-868-6910

Milton City Hall Milton WI 430 East High Street 53563 608-868-6900

Turtle Town Hall Beloit WI 9949 South Turtle Town Hall Road 53511 608-365-5255


The Rock County Treasurer and Tax Collector’s Office is responsible for the collection of Rock County property tax revenue. The Treasurer and Tax Collector maintains current Rock County property tax information including Rock County property ownership information, GIS Maps, tax maps, historical property tax rates, lists of sold parcels, and is also charged with the sale of properties due to a default on taxes in Rock County, Wisconsin.

Beloit City Treasurer Beloit WI 100 State Street 53511 608-364-6663

Evansville City Treasurer Evansville WI 11 West Church Street 53536 608-882-2266

Rock County Treasurer's Office Janesville WI 51 South Main Street 53545 608-757-5670