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 on September 24, 2026.
Mahaska County, Iowa, has about 22,000 residents (2024 Census Bureau estimate). The title to a parcel in Mahaska County is in the deed records of the County Recorder and its taxable value is set by the County 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: Mahaska County public records, Mahaska County arrest records, Mahaska County warrants, Mahaska County inmate search, Mahaska County criminal records, Iowa arrest records and Iowa inmate search.
Deeds, Mortgages and Liens in Mahaska County
Deeds, mortgages, liens and easements that affect title to land in Mahaska County are recorded by the County Recorder, which indexes them by name and sells copies.
SearchSystems opened and checked the County Recorder's page at mahaskacountyia.gov/recorder (page title: Recorder | Mahaska County, Iowa), phone (641) 673-8187, 106 South 1st Street, 1st Floor Oskaloosa, IA 52577, which answered when SearchSystems opened it on September 24, 2026.
Assessed Values and the Tax Roll in Mahaska County
What a parcel in Mahaska County is taxed on is the business of the County Assessor, which also keeps the parcel maps. Iowa reassesses property in odd-numbered years and applies a statewide rollback, so the taxable value is a fraction of the assessed value.
SearchSystems opened and checked the County Assessor's page at mahaskacountyia.gov/assessor/helpful_links (page title: Helpful Assessor Links | Mahaska County, Iowa), phone (641) 673-5805, which answered when SearchSystems opened it on September 24, 2026.
Permits and City Records in the Cities of Mahaska County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Mahaska County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Oskaloosa: the city hall page SearchSystems verified is at oskaloosaiowa.org (verified September 26, 2026).
Evictions and Court Cases About Land in Mahaska County
Court cases about land from Mahaska County, evictions among them, are filed in the Iowa District Court for Mahaska County.
The court records page SearchSystems verified for the county is at mahaskacountyia.gov/clerk_of_court, phone (641) 673-7786.
Asking a County Office for a Record
Under the Iowa Open Records Law (Chapter 22) a county office must answer a request without delay; the law sets no fixed number of days, and a delay past 20 days must be justified, and it may charge the actual cost of copying and retrieval.
Frequently Asked Questions
Who records deeds in Mahaska County?
The County Recorder, at mahaskacountyia.gov/recorder, phone (641) 673-8187. Deeds, mortgages and liens on land in Mahaska County are filed there, and the County Assessor (mahaskacountyia.gov/assessor/helpful_links) has the assessment records.
Who sets the assessed value of a property in Mahaska County?
The County Assessor, whose page SearchSystems verified is at mahaskacountyia.gov/assessor/helpful_links.
Where are evictions from Mahaska County filed?
In the Iowa District Court for Mahaska County. The file is public unless the court seals it.
How is property assessed in Iowa?
Iowa reassesses property in odd-numbered years and applies a statewide rollback, so the taxable value is a fraction of the assessed value.
Is this the official Mahaska 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.