O'Brien County, IA property tax
Census ACS 2023 5-year estimates · updated 2026-09-20
The median effective property tax rate in O'Brien County is 0.99%, below the Iowa median of 1.43% and above the national median of 0.98%. The median homeowner pays $1,572 a year on a home worth $158,900.
- Effective rate
- 0.99%
- Median annual bill
- $1,572
- Median home value
- $158,900
- Rank in Iowa
- 97of 99
Estimated annual bill by home value
| Home value | Estimated bill | Per month |
|---|---|---|
| $200,000 | $1,980 | $165 |
| $300,000 | $2,970 | $248 |
| $400,000 | $3,960 | $330 |
| $500,000 | $4,950 | $413 |
| $750,000 | $7,425 | $619 |
| $1,000,000 | $9,900 | $825 |
O'Brien County compared with Iowa and the US
| Area | Effective rate | Median bill | Median home value |
|---|---|---|---|
| O'Brien County | 0.99% | $1,572 | $158,900 |
| Iowa median | 1.43% | $2,795 | $195,900 |
| United States median | 0.98% | $2,969 | n/a |
Rates and medians: U.S. Census Bureau, ACS 2023 5-year estimates, tables B25103 and B25077. Effective rate is median taxes paid divided by median owner-occupied home value.
Frequently asked questions
What is the property tax rate in O'Brien County, IA?
The median effective property tax rate in O'Brien County is 0.99% of home value, below the Iowa median of 1.43% and above the national median of 0.98%. The median homeowner pays $1,572 a year on a median home value of $158,900 (Census ACS 2023 5-year).
How much is property tax on a $400,000 house in O'Brien County?
About $3,960 per year at the county's median effective rate of 0.99%, before exemptions. The exact bill depends on the city, school district and special districts that serve the parcel, so treat this as a planning estimate.
How does O'Brien County compare with the rest of Iowa?
O'Brien County ranks 97 of 99 Iowa counties by effective rate. The Iowa median is 1.43% and the median bill is $2,795.