310 21st St
Sioux City, IA 51104
4 bd 1 ba 1,768 sqft Built 1910 Lot 3,525 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 | $83,200 | $12,000 | $95,200 | $1,394 |
| 2022 | $43,700 | $5,400 | $49,100 | $714 |
| 2021 | $39,800 | $5,400 | $45,200 | $734 |
| 2020 | $42,500 | $2,700 | $45,200 | $994 |
| 2019 | $54,864 | $2,700 | $57,564 | $962 |
| 2018 | $48,600 | $2,500 | $51,100 | $944 |
| 2017 | $48,600 | $2,500 | $51,100 | $1,370 |
| 2016 | $66,500 | $2,400 | $68,900 | $1,350 |
| 2015 | $66,500 | $2,400 | $68,900 | $1,398 |
| 2014 | $65,700 | $4,400 | $70,100 | $1,398 |
| 2013 | $65,700 | $4,400 | $70,100 | $1,450 |
| 2012 | $66,400 | $8,700 | $75,100 | $1,440 |
| 2011 | $66,400 | $8,700 | $75,100 | $1,466 |
| 2009 | $66,300 | $10,500 | $76,800 | $1,462 |
| 2008 | $66,300 | $10,500 | $76,800 | $1,500 |
| 2007 | $70,400 | $10,700 | $81,100 | $1,480 |
Property facts
Year built
1910
Property type
single_family
Stories
2
Beds
4
Baths
1
Living area
1,768 sqft
Lot size
3,525 sqft
ZIP code
51104
City
Sioux City
Street
21st St
Coordinates
42.51198, -96.40749
Comparable properties nearby
Frequently asked questions
When did 310 21st St last sell?
No public-record sale is on file for 310 21st St.
What is the current tax assessment for 310 21st St?
The most recent total assessment for 310 21st St (year 2025) is $95,200 with $1,394 in property tax.
When was 310 21st St built?
310 21st St was built in 1910.
How does 310 21st St compare to others on 21st St?
We track 8 other properties on 21st St. Browse the list under "Other properties on 21st St" to compare beds, baths, and sale history.
What are the property facts for 310 21st St?
310 21st St is a 4 bed, 1 bath, 1,768 sqft, 3,525 sqft lot single_family.
Is 310 21st St a flip candidate?
No — 310 21st St does not appear in our flips dataset.
Is 310 21st St a tax-appeal candidate?
No — 310 21st 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
+0.5%
Implied 1-yr
+2.2%
2026 Q3
$304.5K
2026 Q4
$306K
ZIP 51104 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st St