20 Congress St
Williams Bay, WI 53191
— ba Lot 11,631 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 | $731,500 | $99,600 | $831,100 | $7,015 |
| 2023 | $510,500 | $72,000 | $582,500 | $6,769 |
| 2022 | $510,500 | $72,000 | $582,500 | $7,567 |
| 2021 | $257,700 | $41,400 | $299,100 | $4,858 |
| 2020 | — | $41,400 | $41,400 | $686 |
| 2019 | — | $41,400 | $41,400 | $658 |
| 2018 | — | $41,400 | $41,400 | $641 |
| 2017 | — | $41,400 | $41,400 | $601 |
| 2016 | — | $27,000 | $27,000 | $425 |
| 2015 | — | $27,000 | $27,000 | $416 |
| 2014 | — | $27,000 | $27,000 | $380 |
| 2013 | — | $27,000 | $27,000 | $399 |
| 2012 | — | $27,000 | $27,000 | $401 |
| 2011 | — | $27,000 | $27,000 | $377 |
| 2010 | — | $27,000 | $27,000 | $380 |
| 2009 | — | $27,000 | $27,000 | $434 |
| 2008 | — | $37,000 | $37,000 | $578 |
| 2007 | — | $37,000 | $37,000 | $568 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
11,631 sqft
ZIP code
53191
City
Williams Bay
Street
Congress St
Coordinates
42.57525, -88.54183
Frequently asked questions
When did 20 Congress St last sell?
No public-record sale is on file for 20 Congress St.
What is the current tax assessment for 20 Congress St?
The most recent total assessment for 20 Congress St (year 2025) is $831,100 with $7,015 in property tax.
When was 20 Congress St built?
The year built for 20 Congress St is not in our records.
How does 20 Congress St compare to others on Congress St?
We track 8 other properties on Congress St. Browse the list under "Other properties on Congress St" to compare beds, baths, and sale history.
What are the property facts for 20 Congress St?
20 Congress St is a — bath, 11,631 sqft lot single_family.
Is 20 Congress St a flip candidate?
No — 20 Congress St does not appear in our flips dataset.
Is 20 Congress St a tax-appeal candidate?
No — 20 Congress 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
+1.4%
Implied 1-yr
+5.6%
2026 Q3
$627.1K
2026 Q4
$635.1K
ZIP 53191 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Congress St