521 20th St
Prairie du Sac, WI 53578
3 bd 2 ba 1,852 sqft Built 2011 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 | $361,900 | $108,000 | $469,900 | $7,007 |
| 2023 | $234,600 | $63,800 | $298,400 | $6,685 |
| 2022 | $234,600 | $63,800 | $298,400 | $6,811 |
| 2021 | $234,600 | $63,800 | $298,400 | $6,508 |
| 2019 | $234,600 | $63,800 | $298,400 | $5,877 |
| 2018 | $234,600 | $63,800 | $298,400 | $5,759 |
| 2017 | $180,500 | $52,000 | $232,500 | $4,951 |
| 2016 | $180,500 | $52,000 | $232,500 | $4,942 |
| 2015 | $180,500 | $52,000 | $232,500 | $4,925 |
| 2014 | $180,500 | $52,000 | $232,500 | $4,927 |
| 2013 | $180,500 | $52,000 | $232,500 | $4,939 |
| 2012 | $180,500 | $52,000 | $232,500 | $4,749 |
| 2011 | — | $52,000 | $52,000 | $1,094 |
| 2010 | — | $52,000 | $52,000 | $1,119 |
| 2009 | — | $52,000 | $52,000 | $1,069 |
| 2008 | — | $61,200 | $61,200 | $1,173 |
| 2007 | — | $61,200 | $61,200 | $1,109 |
| 2006 | — | $61,200 | $61,200 | $1,084 |
Property facts
Year built
2011
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,852 sqft
Lot size
11,761 sqft
ZIP code
53578
City
Prairie du Sac
Street
20th St
Coordinates
43.29092, -89.74514
Comparable properties nearby
Frequently asked questions
When did 521 20th St last sell?
No public-record sale is on file for 521 20th St.
What is the current tax assessment for 521 20th St?
The most recent total assessment for 521 20th St (year 2025) is $469,900 with $7,007 in property tax.
When was 521 20th St built?
521 20th St was built in 2011.
How does 521 20th St compare to others on 20th St?
We track 8 other properties on 20th St. Browse the list under "Other properties on 20th St" to compare beds, baths, and sale history.
What are the property facts for 521 20th St?
521 20th St is a 3 bed, 2 bath, 1,852 sqft, 11,761 sqft lot single_family.
Is 521 20th St a flip candidate?
No — 521 20th St does not appear in our flips dataset.
Is 521 20th St a tax-appeal candidate?
No — 521 20th 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 20th St