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 4, 2026.
Columbia County, Wisconsin, has about 58,000 residents (2024 Census Bureau estimate). The title to a parcel in Columbia 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: Columbia County public records, Columbia County arrest records, Columbia County warrants, Columbia County inmate search, Columbia County criminal records, Wisconsin arrest records and Wisconsin inmate search.
Deeds, Mortgages and Liens in Columbia County
Who owns a parcel in Columbia 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 co.columbia.wi.us/columbiacounty/registerofdeeds/OnLineServices/OnL... (page title: Register of Deeds | On-Line Access to Land Records Recorded Documents), 112 E. Edgewater St. Portage, WI 53901, 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 Columbia County
The value each parcel in Columbia 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.columbia.wi.us/LandRecords/AccessManagement/Account/Login, which answered when SearchSystems opened it on September 23, 2026.
More Official Property and Land Records Pages for Columbia County
The SearchSystems directory, online since 1997, lists the official pages for Columbia County and Wisconsin. These property pages from its Columbia County listing were opened again on October 2, 2026 and each one still answers:
- GIS, Columbia County (co.columbia.wi.us)
Permits and City Records in the Cities of Columbia County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Columbia County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Portage: the city hall page SearchSystems verified is at portagewi.gov/city-hall, phone 608-742-2176 (verified September 26, 2026).
- Columbus: the city hall page SearchSystems verified is at columbuswi.gov/m/newsflash/Archive/Item/978?arcId=1530 (verified September 26, 2026).
Evictions and Court Cases About Land in Columbia County
Court cases about land from Columbia County, evictions among them, are filed in the Columbia County Circuit Court.
The court records page SearchSystems verified for the county is at co.columbia.wi.us/columbiacounty/clerkofcourts, phone 800-362-9082.
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 Columbia County?
The Register of Deeds, at co.columbia.wi.us. Deeds, mortgages and liens on land in Columbia County are filed there.
Who sets the assessed value of a property in Columbia County?
The assessor of each city, town and village.
Where are evictions from Columbia County filed?
In the Columbia 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 Columbia 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.