Iowa property records and tax lookups
Who holds it: Local assessor (county assessor, or a city assessor in cities of 10,000+ that choose one) sets value and classification; county auditor sets levy rates and bills; county treasurer collects.1
On this page
Looking up a property and appealing a value
- Appealing a value
- Informal review with the assessor April 2-25; protest to the local board of review April 2-30; then appeal to the state Property Assessment Appeal Board or directly to district court within 20 days after the board of review adjourns or May 31, whichever is later.1
More details
- Cycle
- Assessment date January 1; real property reassessed every odd-numbered year; taxes from a January 2026 assessment are due fall 2027 and spring 2028.1
Related records in Iowa
- Deeds: who holds it
- County Recorder in each of Iowa's 99 counties.2
- Deeds: how to search
- Search free online at Iowa Land Records (all 99 counties) or the county recorder's own search; older documents by contacting the recorder.3
- Maps: state GIS portal
- Iowa Geospatial Data Clearinghouse (geodata.iowa.gov).4
How Iowa handles it
- Some cities of 10,000+ have their own city assessor separate from the county assessor.5
Property records in Iowa counties with a full guide
The local office, its official online search and its own fee, for each county with a full guide. Local fees can differ from the statewide figures above.
| County | Office | Search online | Fee |
|---|---|---|---|
| Black Hawk County | County Assessor7 | Property search6 | — |
| Dallas County | Dallas County Assessor9 | Property search8 | — |
| Dubuque County | Assessor - Dubuque County10 | Property search10 | — |
| Johnson County | Johnson County Assessor12 | Property search11 | — |
| Linn County | Linn County Assessor13 | Property search13 | — |
| Polk County | Polk County Assessor14 | Property search14 | — |
| Pottawattamie County | Pottawattamie County Assessor16 | Property search15 | — |
| Story County | Story County Assessor18 | Property search17 | — |
| Woodbury County | County Assessor20 | Property search19 | — |
For any other county, see the county list on the Iowa guide.
Official copies vs look-alike sites
A certified copy comes only from the office that holds the record; reports and "research copies" sold by commercial sites are not issued by any Iowa office. How to tell an official record source from a paid look-alike.
Rules in other states: property and tax records in every state. Everything else in Iowa: Iowa public records guide.
Sources
Every fact above links to the official page it comes from. Fees and rules change, so check the office's own page before you pay or travel.
- Iowa Property Tax OverviewIowa Department of Revenuechecked November 4, 2026
- Iowa Land Records (statewide county recorder search/e-submission site)Electronic Services System / Iowa county recorders (county land record information system, Iowa Code 331.604(3))checked November 4, 2026
- Polk County Recorder - Search RecordsPolk County, Iowachecked November 4, 2026
- Iowa Geospatial Data ClearinghouseState of Iowachecked November 4, 2026
- Iowa Code ch. 441 Assessment and Valuation of PropertyIowa Legislaturechecked November 4, 2026
- Real Estate MappingBlack Hawk Countychecked November 4, 2026
- AssessorBlack Hawk Countychecked November 4, 2026
- AssessorDallas Countychecked November 4, 2026
- Site MapDallas Countychecked November 4, 2026
- Assessor - Dubuque CountyDubuque County, Iowachecked November 7, 2026
- County AssessorJohnson County Assessorchecked November 4, 2026
- Department Directory & ResourcesJohnson County, Iowachecked November 4, 2026
- AssessorLinn County Assessorchecked November 4, 2026
- County AssessorPolk County Assessorarchived copychecked November 4, 2026
- Assessor FAQPottawattamie Countychecked November 4, 2026
- AssessorPottawattamie Countychecked November 4, 2026
- Beacon - Property RecordsStory County, Iowachecked November 7, 2026
- Site MapStory County, Iowachecked November 7, 2026
- Assessor (County)Woodbury County, Iowachecked November 4, 2026
- Woodbury County homeWoodbury County, Iowachecked November 4, 2026