421 21st St
Prairie du Sac, WI 53578
4 bd 3 ba 3,250 sqft Built 2006 Lot 11,761 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 | $383,800 | $108,000 | $491,800 | $7,345 |
| 2023 | $250,300 | $63,800 | $314,100 | $7,054 |
| 2022 | $250,300 | $63,800 | $314,100 | $7,185 |
| 2021 | $250,300 | $63,800 | $314,100 | $6,867 |
| 2019 | $250,300 | $63,800 | $314,100 | $6,199 |
| 2018 | $250,300 | $63,800 | $314,100 | $6,074 |
| 2017 | $192,500 | $61,200 | $253,700 | $5,419 |
| 2016 | $192,500 | $61,200 | $253,700 | $5,410 |
| 2015 | $192,500 | $61,200 | $253,700 | $5,390 |
| 2014 | $192,500 | $61,200 | $253,700 | $5,393 |
| 2013 | $192,500 | $61,200 | $253,700 | $5,405 |
| 2012 | $192,500 | $61,200 | $253,700 | $5,196 |
| 2011 | $192,500 | $61,200 | $253,700 | $5,185 |
| 2010 | $192,500 | $61,200 | $253,700 | $5,393 |
| 2009 | $192,500 | $61,200 | $253,700 | $5,150 |
| 2008 | $192,500 | $61,200 | $253,700 | $4,835 |
| 2007 | $192,500 | $61,200 | $253,700 | $4,598 |
| 2006 | — | $10,000 | $10,000 | $177 |
Property facts
Year built
2006
Property type
single_family
Stories
1
Beds
4
Baths
3
Living area
3,250 sqft
Lot size
11,761 sqft
ZIP code
53578
City
Prairie du Sac
Street
21st St
Coordinates
43.28991, -89.74760
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 421 21st St last sell?
No public-record sale is on file for 421 21st St.
What is the current tax assessment for 421 21st St?
The most recent total assessment for 421 21st St (year 2025) is $491,800 with $7,345 in property tax.
When was 421 21st St built?
421 21st St was built in 2006.
How does 421 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 421 21st St?
421 21st St is a 4 bed, 3 bath, 3,250 sqft, 11,761 sqft lot single_family.
Is 421 21st St a flip candidate?
No — 421 21st St does not appear in our flips dataset.
Is 421 21st St a tax-appeal candidate?
No — 421 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