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 September 24, 2026.
Ozaukee County, Wisconsin, has about 94,000 residents (2024 Census Bureau estimate). The title to a parcel in Ozaukee 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, directory links, city permits, evictions and court cases, records requests and common questions.
Related guides: Ozaukee County public records, Ozaukee County arrest records, Ozaukee County warrants, Ozaukee County inmate search, Ozaukee County criminal records, Wisconsin arrest records and Wisconsin inmate search.
Deeds, Mortgages and Liens in Ozaukee County
Who owns a parcel in Ozaukee County 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 ozaukeecounty.gov/233/Research-Real-Estate-Records (page title: Research Real Estate Records | Ozaukee County, WI), phone 262-284-8260, 121 W. Main St. Room 120 Port Washington, WI 53074, Monday-Friday 8:00 AM-4:30 PM, which answered when SearchSystems opened it on September 24, 2026.
Assessed Values and the Tax Roll in Ozaukee County
The value each parcel in Ozaukee 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.
The county property tax office's page SearchSystems verified is at ascent.co.ozaukee.wi.us/LandRecords/PropertyListing/RealEstateTaxPa... (page title: Real Estate Tax Parcel), which answered when SearchSystems opened it on September 23, 2026.
More Official Property and Land Records Pages for Ozaukee County
The SearchSystems directory, online since 1997, lists the official pages for Ozaukee County and Wisconsin. These property pages and recorded document pages from its Ozaukee County listing were opened again on October 2, 2026 and each one still answers:
- ArcGIS Web Application (ozaukee.maps.arcgis.com)
- Record Documents Electronically (ozaukeecounty.gov)
- Register of Deeds (ozaukeecounty.gov)
Permits and City Records in the Cities of Ozaukee County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Ozaukee County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Port Washington: the city hall page SearchSystems verified is at portwashingtonwi.gov/Home/Components/FacilityDirectory/FacilityDire..., phone (262) 284-5585 (verified September 25, 2026).
- Grafton: the city hall page SearchSystems verified is at townofgraftonwi.gov/contact-us, phone (262) 377-8500 (verified September 25, 2026).
Evictions and Court Cases About Land in Ozaukee County
An eviction, a foreclosure, a lien dispute or a quiet title suit is a court case in the Ozaukee County Circuit Court, and the file is public unless sealed.
The court records page SearchSystems verified for the county is at ozaukeecounty.gov/190/Access-Court-Records.
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. The county records request page SearchSystems verified is at ozaukeecounty.gov/176/Open-Records (page title: Open Records | Ozaukee County, WI).
Frequently Asked Questions
Who records deeds in Ozaukee County?
The Register of Deeds, at ozaukeecounty.gov, phone 262-284-8260. Deeds, mortgages and liens on land in Ozaukee County are filed there.
Who sets the assessed value of a property in Ozaukee County?
The assessor of each city, town and village.
Where are evictions from Ozaukee County filed?
In the Ozaukee 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 Ozaukee 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.