105 21st St
Sioux City, IA 51104
3 bd 1 ba 1,570 sqft Built 1915 Lot 4,940 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 | $203,100 | $23,500 | $226,600 | $3,840 |
| 2023 | $195,600 | $16,800 | $212,400 | $2,840 |
| 2022 | $126,200 | $15,400 | $141,600 | $2,566 |
| 2021 | $114,800 | $15,400 | $130,200 | $2,500 |
| 2020 | $111,500 | $13,300 | $124,800 | $1,594 |
| 2019 | $73,764 | $13,284 | $87,048 | $1,544 |
| 2018 | $64,700 | $12,200 | $76,900 | $1,520 |
| 2017 | $64,700 | $12,200 | $76,900 | $1,326 |
| 2016 | $55,900 | $11,100 | $67,000 | $1,306 |
| 2015 | $55,900 | $11,100 | $67,000 | $1,526 |
| 2014 | $52,300 | $14,800 | $67,100 | $1,534 |
| 2013 | $52,300 | $14,800 | $67,100 | $1,476 |
| 2012 | $52,300 | $14,800 | $67,100 | $1,428 |
| 2011 | $52,300 | $14,800 | $67,100 | $1,330 |
| 2009 | $52,300 | $11,700 | $64,000 | $1,334 |
| 2008 | $52,300 | $11,700 | $64,000 | $1,178 |
| 2007 | $57,400 | $12,000 | $69,400 | $1,158 |
Property facts
Year built
1915
Property type
single_family
Stories
2
Beds
3
Baths
1
Living area
1,570 sqft
Lot size
4,940 sqft
ZIP code
51104
City
Sioux City
Street
21st St
Coordinates
42.51237, -96.41037
Comparable properties nearby
Frequently asked questions
When did 105 21st St last sell?
No public-record sale is on file for 105 21st St.
What is the current tax assessment for 105 21st St?
The most recent total assessment for 105 21st St (year 2025) is $226,600 with $3,840 in property tax.
When was 105 21st St built?
105 21st St was built in 1915.
How does 105 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 105 21st St?
105 21st St is a 3 bed, 1 bath, 1,570 sqft, 4,940 sqft lot single_family.
Is 105 21st St a flip candidate?
No — 105 21st St does not appear in our flips dataset.
Is 105 21st St a tax-appeal candidate?
No — 105 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