Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. Every office link was opened and checked against the office's own site between September 23, 2026 and October 9, 2026.
Oconomowoc, Wisconsin, in Waukesha County, has about 20,000 residents (2024 Census Bureau estimate). The title to a parcel in Oconomowoc is in the deed records of the Register of Deeds and its taxable value is set by the town assessor; what is built on it is a matter for the city. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, city permits and records, evictions and court cases, records requests and common questions.
Related guides: Oconomowoc public records, Waukesha County property records, Oconomowoc arrest records, Oconomowoc warrants, Oconomowoc inmate search, Oconomowoc criminal records, Wisconsin arrest records and Wisconsin inmate search.
Deeds, Mortgages and Liens in Oconomowoc
Who owns a parcel in Oconomowoc and what it sold for are in the deed records of the Register of Deeds, with every lien or mortgage against the land.
SearchSystems opened and checked the Register of Deeds' page at waukeshacounty.gov/register-of-deeds (page title: Register of Deeds | Waukesha County), phone 262-548-7585, 515 W. Moreland Blvd., Room AC110 Waukesha, WI 53188, which answered when SearchSystems opened it on September 24, 2026.
Assessed Values and the Tax Roll in Oconomowoc
The value each parcel in Oconomowoc is taxed on is set locally, by the assessor of each city, town and village, not by the county. Wisconsin property is assessed by each city, town and village, and the state equalizes the values across municipalities.
The county property tax office's page SearchSystems verified is at waukeshacounty.gov/parks-and-land-use/land-information-system (page title: Land Information System | Waukesha County), phone 262-548-7816, 515 W. Moreland Blvd Room AC170 Waukesha, WI 53188, which answered when SearchSystems opened it on October 9, 2026.
Permits and City Records in Oconomowoc
Building permits, zoning and code cases are the city's own. For Oconomowoc, SearchSystems opened and checked the city hall page at oconomowoc-wi.gov/m/directory (page title: Staff Directory, City of Oconomowoc, WI, CivicEngage), phone (800) 770-3927, which answered when SearchSystems opened it on September 25, 2026.
The city clerk's page SearchSystems verified is at oconomowoc-wi.gov/118/City-Clerk (page title: City Clerk | City of Oconomowoc, WI), phone 262-569-2186, 174 E. Wisconsin Avenue Oconomowoc, WI 53066, which answered when SearchSystems opened it on September 25, 2026.
Evictions and Court Cases About Land in Oconomowoc
An eviction, a foreclosure, a lien dispute or a quiet title suit is a court case in the Waukesha County Circuit Court, and the file is public unless sealed.
The court records page SearchSystems verified for the county is at waukeshacounty.gov/circuit-courts/information-pages/court-record-in....
Asking a County Office for a Record
Under the Wisconsin Public Records Law a county office must answer a request as soon as practicable and without delay; the law sets no number of days, and it may charge the actual cost of copying and locating, with no charge for the first $50 of locating.
Frequently Asked Questions
Who records deeds in Oconomowoc?
The Register of Deeds, at waukeshacounty.gov/register-of-deeds, phone 262-548-7585. Deeds, mortgages and liens on land in Oconomowoc are filed there.
Who sets the assessed value of a property in Oconomowoc?
The assessor of each city, town and village.
Where are evictions from Oconomowoc filed?
In the Waukesha County Circuit Court. The file is public unless the court seals it.
How is property assessed in Wisconsin?
Wisconsin property is assessed by each city, town and village, and the state equalizes the values across municipalities.
Is this the official Oconomowoc website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.