520 21st St
Prairie du Sac, WI 53578
5 bd 3 ba 3,600 sqft Built 2006 Lot 11,326 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 | $432,300 | $107,300 | $539,600 | $8,083 |
| 2023 | $285,300 | $63,300 | $348,600 | $7,865 |
| 2022 | $285,300 | $63,300 | $348,600 | $8,009 |
| 2021 | $248,700 | $63,300 | $312,000 | $7,657 |
| 2019 | $248,700 | $63,300 | $312,000 | $6,156 |
| 2018 | $248,700 | $63,300 | $312,000 | $6,032 |
| 2017 | $165,800 | $61,200 | $227,000 | $4,830 |
| 2016 | $165,800 | $61,200 | $227,000 | $4,821 |
| 2015 | $165,800 | $61,200 | $227,000 | $4,805 |
| 2014 | $165,800 | $61,200 | $227,000 | $4,806 |
| 2013 | $165,800 | $61,200 | $227,000 | $4,818 |
| 2012 | $165,800 | $61,200 | $227,000 | $4,633 |
| 2011 | $165,800 | $61,200 | $227,000 | $4,624 |
| 2010 | $165,800 | $61,200 | $227,000 | $4,733 |
| 2009 | $165,800 | $61,200 | $227,000 | $4,601 |
| 2008 | $198,800 | $61,200 | $260,000 | $4,956 |
| 2007 | $207,200 | $61,200 | $268,400 | $4,865 |
| 2006 | — | $10,000 | $10,000 | $177 |
Property facts
Year built
2006
Property type
single_family
Stories
1
Beds
5
Baths
3
Living area
3,600 sqft
Lot size
11,326 sqft
ZIP code
53578
City
Prairie du Sac
Street
21st St
Coordinates
43.29087, -89.74687
Comparable properties nearby
Frequently asked questions
When did 520 21st St last sell?
No public-record sale is on file for 520 21st St.
What is the current tax assessment for 520 21st St?
The most recent total assessment for 520 21st St (year 2025) is $539,600 with $8,083 in property tax.
When was 520 21st St built?
520 21st St was built in 2006.
How does 520 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 520 21st St?
520 21st St is a 5 bed, 3 bath, 3,600 sqft, 11,326 sqft lot single_family.
Is 520 21st St a flip candidate?
No — 520 21st St does not appear in our flips dataset.
Is 520 21st St a tax-appeal candidate?
No — 520 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
+12.1%
Implied 1-yr
+48.6%
2026 Q1
$1.28M
2026 Q2
$1.37M
ZIP 53578 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st St