845 Union St
Platteville, WI 53818
2 bd 1 ba 669 sqft Built 1870 Lot 17,860 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 | $13,800 | $32,900 | $46,700 | $682 |
| 2023 | $36,100 | $32,900 | $69,000 | $1,373 |
| 2022 | $36,100 | $32,900 | $69,000 | $1,289 |
| 2021 | $21,100 | $32,900 | $54,000 | $1,125 |
| 2020 | $21,100 | $32,900 | $54,000 | $1,262 |
| 2019 | $21,100 | $32,900 | $54,000 | $1,234 |
| 2018 | $21,100 | $32,900 | $54,000 | $1,146 |
| 2017 | $19,700 | $29,100 | $48,800 | $1,107 |
| 2016 | $19,700 | $29,100 | $48,800 | $1,112 |
| 2015 | $19,700 | $29,100 | $48,800 | $1,118 |
| 2014 | $19,700 | $29,100 | $48,800 | $1,112 |
| 2013 | $19,700 | $29,100 | $48,800 | $1,112 |
| 2012 | $19,700 | $29,100 | $48,800 | $1,097 |
| 2011 | $19,700 | $29,100 | $48,800 | $1,039 |
| 2010 | $19,700 | $29,100 | $48,800 | $1,043 |
| 2007 | $15,300 | $23,300 | $38,600 | $1,147 |
| 2005 | $15,300 | $23,300 | $38,600 | $938 |
Property facts
Year built
1870
Property type
single_family
Stories
2
Beds
2
Baths
1
Living area
669 sqft
Lot size
17,860 sqft
ZIP code
53818
City
Platteville
Street
Union St
Coordinates
42.73845, -90.48780
Comparable properties nearby
Frequently asked questions
When did 845 Union St last sell?
No public-record sale is on file for 845 Union St.
What is the current tax assessment for 845 Union St?
The most recent total assessment for 845 Union St (year 2025) is $46,700 with $682 in property tax.
When was 845 Union St built?
845 Union St was built in 1870.
How does 845 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 845 Union St?
845 Union St is a 2 bed, 1 bath, 669 sqft, 17,860 sqft lot single_family.
Is 845 Union St a flip candidate?
No — 845 Union St does not appear in our flips dataset.
Is 845 Union St a tax-appeal candidate?
No — 845 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
+3.8%
Implied 1-yr
+15.4%
2026 Q3
$331.9K
2026 Q4
$342.1K
ZIP 53818 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union St