405 Union St
Watertown, WI 53098
3 bd 1 ba 1,492 sqft Built 1820 Lot 8,712 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 | $154,900 | $47,100 | $202,000 | $2,890 |
| 2023 | $122,300 | $41,100 | $163,400 | $2,774 |
| 2022 | $122,300 | $41,100 | $163,400 | $2,756 |
| 2021 | $84,000 | $30,000 | $114,000 | $2,802 |
| 2020 | $84,000 | $30,000 | $114,000 | $2,892 |
| 2019 | $84,000 | $30,000 | $114,000 | $2,753 |
| 2018 | $84,000 | $30,000 | $114,000 | $2,701 |
| 2017 | $84,000 | $30,000 | $114,000 | $2,617 |
| 2016 | $84,000 | $30,000 | $114,000 | $2,547 |
| 2015 | $84,000 | $30,000 | $114,000 | $2,556 |
| 2014 | $84,000 | $30,000 | $114,000 | $2,537 |
| 2013 | $84,000 | $30,000 | $114,000 | $2,603 |
| 2012 | $112,000 | $30,000 | $142,000 | $3,311 |
| 2011 | $97,700 | $40,500 | $138,200 | $2,873 |
| 2010 | $97,700 | $40,500 | $138,200 | $2,770 |
| 2009 | $97,700 | $40,500 | $138,200 | $2,678 |
| 2008 | $97,700 | $40,500 | $138,200 | $2,599 |
| 2007 | $97,700 | $40,500 | $138,200 | $2,606 |
Property facts
Year built
1820
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
1,492 sqft
Lot size
8,712 sqft
ZIP code
53098
City
Watertown
Street
Union St
Coordinates
43.19921, -88.73331
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 405 Union St last sell?
No public-record sale is on file for 405 Union St.
What is the current tax assessment for 405 Union St?
The most recent total assessment for 405 Union St (year 2025) is $202,000 with $2,890 in property tax.
When was 405 Union St built?
405 Union St was built in 1820.
How does 405 Union St compare to others on Union St?
We track 8 other properties on Union St. Browse the list under "Other properties on Union St" to compare beds, baths, and sale history.
What are the property facts for 405 Union St?
405 Union St is a 3 bed, 1 bath, 1,492 sqft, 8,712 sqft lot single_family.
Is 405 Union St a flip candidate?
No — 405 Union St does not appear in our flips dataset.
Is 405 Union St a tax-appeal candidate?
No — 405 Union 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
+5.5%
Implied 1-yr
+21.9%
2026 Q3
$449.6K
2026 Q4
$449.6K
ZIP 53098 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union St