419 Observatory Pl
Williams Bay, WI 53191
— ba Lot 50,138 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 | $294,900 | $192,000 | $486,900 | $4,043 |
| 2023 | $204,600 | $134,500 | $339,100 | $3,849 |
| 2022 | $204,600 | $134,500 | $339,100 | $4,175 |
| 2021 | $148,800 | $92,300 | $241,100 | $3,710 |
| 2020 | $148,800 | $92,300 | $241,100 | $3,796 |
| 2019 | $148,800 | $92,300 | $241,100 | $3,615 |
| 2018 | $148,800 | $92,300 | $241,100 | $3,535 |
| 2017 | $148,800 | $92,300 | $241,100 | $3,356 |
| 2016 | $196,000 | $74,000 | $270,000 | $4,089 |
| 2015 | $196,000 | $74,000 | $270,000 | $4,026 |
| 2014 | $196,000 | $74,000 | $270,000 | $3,682 |
| 2013 | $196,000 | $74,000 | $270,000 | $3,873 |
| 2012 | $196,000 | $74,000 | $270,000 | $3,905 |
| 2011 | $196,000 | $74,000 | $270,000 | $3,673 |
| 2010 | $196,000 | $74,000 | $270,000 | $3,705 |
| 2009 | $196,000 | $74,000 | $270,000 | $4,296 |
| 2008 | $256,300 | $74,000 | $330,300 | $5,136 |
| 2007 | $132,600 | $74,000 | $206,600 | $3,174 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
50,138 sqft
ZIP code
53191
City
Williams Bay
Street
Observatory Pl
Coordinates
42.57320, -88.55777
Frequently asked questions
When did 419 Observatory Pl last sell?
No public-record sale is on file for 419 Observatory Pl.
What is the current tax assessment for 419 Observatory Pl?
The most recent total assessment for 419 Observatory Pl (year 2025) is $486,900 with $4,043 in property tax.
When was 419 Observatory Pl built?
The year built for 419 Observatory Pl is not in our records.
How does 419 Observatory Pl compare to others on Observatory Pl?
We track 2 other properties on Observatory Pl. Browse the list under "Other properties on Observatory Pl" to compare beds, baths, and sale history.
What are the property facts for 419 Observatory Pl?
419 Observatory Pl is a — bath, 50,138 sqft lot single_family.
Is 419 Observatory Pl a flip candidate?
No — 419 Observatory Pl does not appear in our flips dataset.
Is 419 Observatory Pl a tax-appeal candidate?
No — 419 Observatory Pl 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 Observatory Pl