402 Diamond St
Onawa, IA 51040
4 bd 2 ba 1,979 sqft Built 1920 Lot 10,934 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $219,246 | $11,554 | $230,800 | $2,932 |
| 2023 | $187,953 | $11,554 | $199,507 | $3,166 |
| 2022 | $163,461 | $11,554 | $175,015 | $2,668 |
| 2021 | $132,124 | $11,554 | $143,678 | $2,756 |
| 2020 | $125,169 | $11,554 | $136,723 | $1,718 |
| 2019 | $70,712 | $13,795 | $84,507 | $2,138 |
| 2018 | $93,892 | $7,857 | $101,749 | $1,900 |
| 2017 | $93,892 | $7,857 | $101,749 | $1,682 |
| 2016 | $81,847 | $7,483 | $89,330 | $1,682 |
| 2015 | $81,847 | $7,483 | $89,330 | $1,476 |
| 2014 | $72,431 | $6,622 | $79,053 | $1,426 |
| 2012 | $72,431 | $6,622 | $79,053 | $1,404 |
| 2011 | $71,569 | $6,622 | $78,191 | $1,242 |
| 2008 | $58,304 | $7,086 | $65,390 | $964 |
Property facts
Year built
1920
Property type
single_family
Stories
2
Beds
4
Baths
2
Living area
1,979 sqft
Lot size
10,934 sqft
ZIP code
51040
City
Onawa
Street
Diamond St
Coordinates
42.02545, -96.08941
Comparable properties nearby
Frequently asked questions
When did 402 Diamond St last sell?
No public-record sale is on file for 402 Diamond St.
What is the current tax assessment for 402 Diamond St?
The most recent total assessment for 402 Diamond St (year 2025) is $230,800 with $2,932 in property tax.
When was 402 Diamond St built?
402 Diamond St was built in 1920.
How does 402 Diamond St compare to others on Diamond St?
We track 8 other properties on Diamond St. Browse the list under "Other properties on Diamond St" to compare beds, baths, and sale history.
What are the property facts for 402 Diamond St?
402 Diamond St is a 4 bed, 2 bath, 1,979 sqft, 10,934 sqft lot single_family.
Is 402 Diamond St a flip candidate?
No — 402 Diamond St does not appear in our flips dataset.
Is 402 Diamond St a tax-appeal candidate?
No — 402 Diamond St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-3.4%
Implied 1-yr
-13.5%
2025 Q4
$234K
2026 Q1
$234K
ZIP 51040 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Diamond St