Reviewed and updated October 7, 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 September 24, 2026.
Waukesha County, Wisconsin, has about 417,000 residents (2024 Census Bureau estimate). The title to a parcel in Waukesha County 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 or the county. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, city permits, evictions and court cases, records requests and common questions.
Related guides: Waukesha County public records, Wisconsin arrest records and Wisconsin inmate search.
Deeds, Mortgages and Liens in Waukesha County
Deeds, mortgages, liens and easements that affect title to land in Waukesha County are recorded by the Register of Deeds, which indexes them by name and sells copies.
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, Friday (excluding holidays) Recording Hours: 8:00am - 4:00pm, which answered when SearchSystems opened it on September 24, 2026.
Assessed Values and the Tax Roll in Waukesha County
The value each parcel in Waukesha County 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.
Permits and City Records in the Cities of Waukesha County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Waukesha County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Brookfield: the city hall page SearchSystems verified is at ci.brookfield.wi.us/836/Business-Hours, phone (262) 782-9650 (verified September 25, 2026).
- Menomonee Falls: the city hall page SearchSystems verified is at menomoneefalls.gov/1103/Contact (verified September 25, 2026).
- New Berlin: the city hall page SearchSystems verified is at newberlinwi.gov/808/Regular-Business-Hours, phone (262) 786-8610 (verified September 25, 2026).
- Muskego: the city hall page SearchSystems verified is at muskego.wi.gov/government/business_hours.php, phone (262) 679-5628 (verified September 25, 2026).
- Oconomowoc: the city hall page SearchSystems verified is at oconomowoc-wi.gov/m/directory, phone (800) 770-3927 (verified September 25, 2026).
- Sussex: the city hall page SearchSystems verified is at sussexwi.gov/contact-us, phone (262) 246-5200 (verified September 25, 2026).
- Hartland: the city hall page SearchSystems verified is at villageofhartland.wi.gov (verified September 25, 2026).
- Mukwonago: the city hall page SearchSystems verified is at townofmukwonago.wi.gov/town-hall-staff-directory, phone (262) 363-4555 (verified September 26, 2026).
- Pewaukee: the city hall page SearchSystems verified is at cityofpewaukee.us/m/faq?cat=24#question-97, phone (262) 691-1798 (verified September 26, 2026).
- Delafield: the city hall page SearchSystems verified is at cityofdelafieldwi.gov/Facilities/Facility/Details/City-HallLibrary-..., phone 262-646-6220 (verified September 26, 2026).
- Elm Grove: the city hall page SearchSystems verified is at elmgrovewi.org, phone 262-782-6700 (verified September 26, 2026).
Evictions and Court Cases About Land in Waukesha County
Court cases about land from Waukesha County, evictions among them, are filed in the Waukesha County Circuit Court.
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 Waukesha County?
The Register of Deeds, at waukeshacounty.gov/register-of-deeds, phone 262-548-7585. Deeds, mortgages and liens on land in Waukesha County are filed there.
Who sets the assessed value of a property in Waukesha County?
The assessor of each city, town and village.
Where are evictions from Waukesha County 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 Waukesha County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.