21770 320th St
Sioux City, IA 51108
4 bd 3 ba 3,998 sqft Built 2007 Lot 530,561 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 | $548,890 | $192,780 | $741,670 | $7,232 |
| 2024 | $548,890 | $192,780 | $741,670 | $5,444 |
| 2023 | $472,120 | $78,260 | $550,380 | $5,380 |
| 2022 | $377,660 | $78,260 | $455,920 | $5,328 |
| 2021 | $377,660 | $78,260 | $455,920 | $5,246 |
| 2020 | $349,900 | $78,260 | $428,160 | $5,378 |
| 2019 | $349,900 | $78,260 | $428,160 | $5,416 |
| 2018 | $322,850 | $65,360 | $388,210 | $5,318 |
| 2017 | $322,850 | $65,360 | $388,210 | $5,576 |
| 2016 | $334,570 | $65,360 | $399,930 | $5,454 |
| 2015 | $334,570 | $65,360 | $399,930 | $5,068 |
| 2013 | $300,880 | $65,360 | $366,240 | $4,982 |
| 2011 | $300,880 | $65,360 | $366,240 | $4,726 |
Property facts
Year built
2007
Property type
single_family
Stories
1
Beds
4
Baths
3
Living area
3,998 sqft
Lot size
530,561 sqft
ZIP code
51108
City
Sioux City
Street
320th St
Coordinates
42.58913, -96.39326
Comparable properties nearby
Frequently asked questions
When did 21770 320th St last sell?
No public-record sale is on file for 21770 320th St.
What is the current tax assessment for 21770 320th St?
The most recent total assessment for 21770 320th St (year 2025) is $741,670 with $7,232 in property tax.
When was 21770 320th St built?
21770 320th St was built in 2007.
How does 21770 320th St compare to others on 320th St?
We track 1 other property on 320th St. Browse the list under "Other properties on 320th St" to compare beds, baths, and sale history.
What are the property facts for 21770 320th St?
21770 320th St is a 4 bed, 3 bath, 3,998 sqft, 530,561 sqft lot single_family.
Is 21770 320th St a flip candidate?
No — 21770 320th St does not appear in our flips dataset.
Is 21770 320th St a tax-appeal candidate?
No — 21770 320th 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
-3.2%
Implied 1-yr
-12.8%
2026 Q1
$168.8K
2026 Q2
$168.8K
ZIP 51108 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 320th St